Appendix C. Unit List
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# Appendix C. Unit List

## Angle

### Angular Acceleration

Table C.1. Units: Angular Acceleration

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Radians per Second Squared | (rad_p_sqs) | rad/s^2 |

### Angular Velocity

Table C.2. Units: Angular Velocity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Radians per Second | (rad_p_s) | rad/s |

### Plane Angle

Table C.3. Units: Plane Angle

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Arcminute | arcmin / arcminute / arcminutes | ° | 1/60
Arcsecond | arcsec / arcsecond / arcseconds | arcmin | 1/60
Degree | deg / ° / degree / degrees | rad | pi/180
Gradian (Gon) | gra / gradian / gradians / gon / gons | rad | pi/200
Meter per Meter | (m_p_m) | m/m |
Radian | rad / radian / radians | m_p_m | 1
Turn | turn / turns | ° | 360

### Solid Angle

Table C.4. Units: Solid Angle

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Square Meter per Square Meter | (sqm_p_sqm) | m^2/m^2 |
Steradian | sr / steradian / steradians | m_p_m | 1

## Area

Table C.5. Units: Area

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Acre | acre / acres | ch^2 | 10
Are | a / are / ares | m^2 | 100
Barn | b / barn / barns | m^2 | 1E-28
Decare | da / decare / decares | a | 10
Hectare | ha / hectare / hectares | a | 100
Rood | rood / roods | yd^2 | 1210
Section | section / sections | US_mi^2 | 1
Square Foot | (sqft) | ft^2 |
Square Inch | (sqin) | in^2 |
Square Kilometer | (sqkm) | km^2 |
Square Meter | (sqm) | m^2 |
Square Mile | (sqmi) | mi^2 |
Township | township / townships | section | 36

## Currency

Table C.6. Units: Currency

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Afghan Afghani | AFN / ؋ | $ | exchange rate (approximate)
Albanian Lek | ALL | $ | exchange rate (approximate)
Algerian Dinar | DZD | $ | exchange rate (approximate)
Angolan Kwanza | AOA | $ | exchange rate (approximate)
Argentine Peso | ARS | $ | exchange rate (approximate)
Armenian Dram | AMD / ֏ | $ | exchange rate (approximate)
Australian Dollars | AUD | € | exchange rate (approximate)
Austrian Schilling (obsolete) | ATS | € | 1/13.7603
Azerbaijani Manat | AZN / ₼ | $ | exchange rate (approximate)
Bahamian Dollar | BSD | $ | exchange rate (approximate)
Bahraini Dinar | BHD | $ | exchange rate (approximate)
Bangladeshi Taka | BDT / ৳ | $ | exchange rate (approximate)
Barbadian Dollar | BBD | $ | exchange rate (approximate)
Belarusian Ruble | BYN | BYR | 10000
Belarusian Ruble p. (obsolete) | BYR | $ | exchange rate (approximate)
Belgian Franc (obsolete) | BEF | € | 1/40.3399
Belize Dollar | BZD | $ | exchange rate (approximate)
Bermudian Dollar | BMD | $ | exchange rate (approximate)
Bitcoins | BTC / ₿ / XBT / bitcoin / bitcoins | € | exchange rate (approximate)
Bolivian Boliviano Bs | BOB | $ | exchange rate (approximate)
Bosnia and Herzegovina Convertible Mark | BAM | $ | exchange rate (approximate)
Botswana Pula | BWP | $ | exchange rate (approximate)
Brazilian Real | BRL | € | exchange rate (approximate)
British Pounds | GBP / £ | € | exchange rate (approximate)
Brunei Dollar | BND | $ | exchange rate (approximate)
Bulgarian Lev | lev / BGN | € | exchange rate (approximate)
Burundian Franc | BIF | $ | exchange rate (approximate)
CFP franc | XPF | $ | exchange rate (approximate)
Cambodian Riel | KHR / ៛ | $ | exchange rate (approximate)
Canadian Dollars | CAD | € | exchange rate (approximate)
Cape Verdean Escudo | CVE | $ | exchange rate (approximate)
Cayman Islands Dollar | KYD | $ | exchange rate (approximate)
Cent (USD) | ¢ / cent / cents | $ | 1/100
Central African CFA Franc | XAF / FCFA | $ | exchange rate (approximate)
Chilean Peso | CLP | $ | exchange rate (approximate)
Colombian Peso | COP | $ | exchange rate (approximate)
Comorian Franc | KMF | $ | exchange rate (approximate)
Costa Rican colón | CRC | $ | exchange rate (approximate)
Croatian Kuna | HRK | € | exchange rate (approximate)
Cuban Peso | CUP | $ | exchange rate (approximate)
Cypriot Pound (obsolete) | CYP | € | 1/0.585274
Czech Koruna | CZK / Kč | € | exchange rate (approximate)
Danish Kroner | DKK | € | exchange rate (approximate)
Democratic Republic of the Congo (Congolese Franc) | CDF | $ | exchange rate (approximate)
Deutsche Mark (obsolete) | DEM | € | 1/1.95583
Djiboutian Franc | DJF | $ | exchange rate (approximate)
Dominican Peso | DOP | $ | exchange rate (approximate)
Dutch Guilder (obsolete) | NLG | € | 1/2.20371
Eastern Caribbean Dollar | XCD | $ | exchange rate (approximate)
Egyptian Pound | EGP | $ | exchange rate (approximate)
El Salvadoran Colon (obsolete) | SVC | $ | exchange rate (approximate)
Estonian Kroon (obsolete) | EEK | € | 1/15.6466
Ethiopian Birr | ETB | $ | exchange rate (approximate)
Euro Cent | eurocent / eurocents | € | 1/100
European Euros | EUR / € / euro / euros |  |
Falkland Islands Pound | FKP | $ | exchange rate (approximate)
Fijian Dollar | FJD | $ | exchange rate (approximate)
Finnish Markka (obsolete) | FIM | € | 1/5.94573
French Franc (obsolete) | FRF / ₣ | € | 1/6.55957
Gambian Dalasi | GMD | $ | exchange rate (approximate)
Georgian Lari | GEL / ₾ | $ | exchange rate (approximate)
Ghanaian Cedi | GHS / ₵ | $ | exchange rate (approximate)
Gibraltar Pound | GIP | $ | exchange rate (approximate)
Greek Drachma (obsolete) | GRD / ₯ | € | 1/340.750
Guatemalan Quetzal | GTQ | $ | exchange rate (approximate)
Guernsey Pound | GGP | $ | exchange rate (approximate)
Guinean Franc | GNF | $ | exchange rate (approximate)
Guyanese Dollar | GYD | $ | exchange rate (approximate)
Haitian Gourde | HTG | $ | exchange rate (approximate)
Honduran Lempira | HNL | $ | exchange rate (approximate)
Hong Kong Dollars | HKD | € | exchange rate (approximate)
Hungarian Forint | forint / HUF | € | exchange rate (approximate)
Icelandic Krónur | ISK | € | exchange rate (approximate)
Indian Rupee | INR / ₹ / rupee | € | exchange rate (approximate)
Indonesian Rupiah | IDR / rupiah | € | exchange rate (approximate)
Iranian Rial | IRR / ﷼ | $ | exchange rate (approximate)
Iraqi Dinar | IQD | $ | exchange rate (approximate)
Irish Pound (obsolete) | IEP | € | 1/0.787564
Israeli New Sheqel | ILS / ₪ / sheqel | € | exchange rate (approximate)
Italian Lira (obsolete) | ITL | € | 1/1936.27
Jamaican Dollar | JMD | $ | exchange rate (approximate)
Japanese Yen | JPY / ¥ / yen | € | exchange rate (approximate)
Jordanian Dinar | JOD | $ | exchange rate (approximate)
Kazakhstani Tenge | KZT / ₸ | $ | exchange rate (approximate)
Kenya Shilling | KES | $ | exchange rate (approximate)
Kuwaiti Dinar | KWD | $ | exchange rate (approximate)
Kyrgyzstani Som | KGS / с | $ | exchange rate (approximate)
Lao Kip | LAK / ₭ | $ | exchange rate (approximate)
Latvian Lats (obsolete) | LVL | € | 1/0.702800
Lebanese Pound | LBP | $ | exchange rate (approximate)
Lesotho Loti | LSL | $ | exchange rate (approximate)
Liberian Dollar | LRD | $ | exchange rate (approximate)
Libyan Dinar | LYD | $ | exchange rate (approximate)
Lithuanian Litas (obsolete) | LTL | € | 1/3.45280
Luxembourg Franc (obsolete) | LUF | € | 1/40.3399
Macanese Pataca | MOP | $ | exchange rate (approximate)
Macedonian Denar | MKD | $ | exchange rate (approximate)
Malagasy Ariary | MGA | $ | exchange rate (approximate)
Malawian Kwacha | MWK | $ | exchange rate (approximate)
Malaysian Ringgit | MYR | € | exchange rate (approximate)
Maldivian Rufiyaa | MVR | $ | exchange rate (approximate)
Maltese Lira (obsolete) | MTL | € | 1/0.429300
Mauritanian Ouguiya | MRU | MRO | 10
Mauritanian Ouguiya (obsolete) | MRO | $ | exchange rate (approximate)
Mauritian Rupee | MUR | $ | exchange rate (approximate)
Mexican Peso | MXN | € | exchange rate (approximate)
Moldovan Leu | MDL | $ | exchange rate (approximate)
Mongolian Tögrög | MNT / ₮ | $ | exchange rate (approximate)
Moroccan Dirham | MAD | $ | exchange rate (approximate)
Mozambican Metical | MZN | $ | exchange rate (approximate)
Myanmar (Burmese Kyat) | MMK | $ | exchange rate (approximate)
Namibian Dollar | NAD | $ | exchange rate (approximate)
Nepalese Rupee | NPR | $ | exchange rate (approximate)
Netherlands Antillean Guilder | ANG | $ | exchange rate (approximate)
New Taiwan Dollar | TWD | $ | exchange rate (approximate)
New Zealand Dollars | NZD | € | exchange rate (approximate)
Nicaraguan Córdoba | NIO | $ | exchange rate (approximate)
Nigerian Naira | NGN / ₦ | $ | exchange rate (approximate)
North Korean Won | KPW | $ | exchange rate (approximate)
Norwegian Kroner | NOK | € | exchange rate (approximate)
Omani Rial | OMR | $ | exchange rate (approximate)
Pakistani Rupee | PKR | $ | exchange rate (approximate)
Panamaian Balboa | PAB | $ | exchange rate (approximate)
Papua New Guinean Kina | PGK | $ | exchange rate (approximate)
Paraguayan Guaraní | PYG / ₲ | $ | exchange rate (approximate)
Peruvian Sol | PEN | $ | exchange rate (approximate)
Philippine Peso | PHP / ₱ | € | exchange rate (approximate)
Polish Zloty | PLN / zł / zloty | € | exchange rate (approximate)
Portuguese Escudo (obsolete) | PTE | € | 1/200.482
Qatari Riyal | QAR | $ | exchange rate (approximate)
Romanian Leu | RON | € | exchange rate (approximate)
Russian Ruble | RUB / ₽ / ruble | € | exchange rate (approximate)
Rwandan Franc | RWF | $ | exchange rate (approximate)
Saudi Riyal | SAR | $ | exchange rate (approximate)
Serbian Dinar | RSD | $ | exchange rate (approximate)
Seychellois Rupee | SCR | $ | exchange rate (approximate)
Sierra Leonean Leone | SLL | $ | exchange rate (approximate)
Singapore Dollars | SGD | € | exchange rate (approximate)
Slovak Koruna (obsolete) | SKK | € | 1/30.1260
Slovenian Tolar (obsolete) | SIT | € | 1/239.640
Solomon Islands Dollar | SBD | $ | exchange rate (approximate)
Somali Shilling | SOS | $ | exchange rate (approximate)
South African Rand | ZAR | € | exchange rate (approximate)
South Korean Won | KRW / ₩ / won | € | exchange rate (approximate)
Spanish Peseta (obsolete) | ESP / ₧ | € | 1/166.386
Sri Lankan Rupee; | LKR / ௹ | $ | exchange rate (approximate)
Sudanese Pound | SDG | $ | exchange rate (approximate)
Surinamese Dollar | SRD | $ | exchange rate (approximate)
Swazi Lilangeni | SZL | $ | exchange rate (approximate)
Swedish Krona | SEK | € | exchange rate (approximate)
Swiss Francs | CHF | € | exchange rate (approximate)
Syrian Pound | SYP | $ | exchange rate (approximate)
São Tomé and Príncipe Dobra | STD | $ | exchange rate (approximate)
Tajikistani Somoni | TJS | $ | exchange rate (approximate)
Tanzanian Shilling | TZS | $ | exchange rate (approximate)
Thai Baht | THB | € | exchange rate (approximate)
Tongan Paʻanga | TOP | $ | exchange rate (approximate)
Trinidad and Tobago dollar | TTD | $ | exchange rate (approximate)
Tunisian Dinar | TND | $ | exchange rate (approximate)
Turkish New Lira | TRY / ₺ | € | exchange rate (approximate)
Turkmenistan Manat | TMT | $ | exchange rate (approximate)
U.S. Dollars | $ / USD / dollar / dollars | € | exchange rate (approximate)
Ugandan Shilling | UGX | $ | exchange rate (approximate)
Ukrainian Hryvnia | UAH / ₴ | $ | exchange rate (approximate)
United Arab Emirates Dirham | AED | $ | exchange rate (approximate)
Uruguayan Peso | UYU | $ | exchange rate (approximate)
Uzbekistan Soʻm | UZS | $ | exchange rate (approximate)
Vanuatu Vatu | VUV | $ | exchange rate (approximate)
Venezuelan Bolívar | VEF | $ | exchange rate (approximate)
Vietnamese Dồng | VND / ₫ | $ | exchange rate (approximate)
West African CFA Franc | XOF / CFA | $ | exchange rate (approximate)
Yemeni Rial | YER | $ | exchange rate (approximate)
Yuan Renminbi (PR China) | CNY | € | exchange rate (approximate)
Zambian Kwacha | ZMW | ZMK | 1000
Zambian Kwacha (obsolete) | ZMK | $ | exchange rate (approximate)

## Electricity

### Capacitance

Table C.7. Units: Capacitance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Coulomb per Volt | (C_p_V) | C/V |
Farad | F / farad / farads | C_p_V | 1

### Current Density

Table C.8. Units: Current Density

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Ampere per Meter Squared | (A_p_sqm) | A/m^2 |

### Electric Charge

Table C.9. Units: Electric Charge

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Abcoulomb | abcoulomb / abcoulombs / abC / aC | C | 10
Coulomb | C / coulomb / coulombs | s_A | 1
Second Ampere | (s_A) | s A |
Statcoloumb (Franklin) | statcoulomb / statcoulombs / statC / franklin / Fr / franklins | C | 1/2997924580

### Electric Charge Density

Table C.10. Units: Electric Charge Density

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Coulomb per Cubic Meter | (C_p_cum) | C/m^3 |

### Electric Conductance

Table C.11. Units: Electric Conductance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Ampere per Volt | (A_p_V) | A/V |
Siemens | S / siemens | A_p_V | 1

### Electric Current

Table C.12. Units: Electric Current

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Abampere | abampere / abA / aA / abamperes | A | 10
Ampere | A / ampere / amperes |  |

### Electric Field Strength

Table C.13. Units: Electric Field Strength

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Volt per Meter | (V_p_m) | V/m |

### Electric Flux Density

Table C.14. Units: Electric Flux Density

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Coulomb per Meter Squared | (C_p_sqm) | C/m^2 |

### Electric Potential

Table C.15. Units: Electric Potential

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Abvolt | abvolt / abvolts / abV | V | 1E-8
Statvolt | statvolt / statvolts / statV | V | 299.792458
Volt | V / volt / volts | W_p_A | 1
Watt per Ampere | (W_p_A) | W/A |

### Electric Resistance

Table C.16. Units: Electric Resistance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Abohm | abohm / abohms / abΩ | Ω | 1E-9
Ohm | Ω / ohm / ohms | V_p_A | 1
Statohm | statohm / statohms / statΩ | Ω | 8.9875517873681764E11
Volt per Ampere | (V_p_A) | V/A |

### Inductance

Table C.17. Units: Inductance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Henry | H / henry / henrys | Wb_p_A | 1
Weber per Ampere | (Wb_p_A) | Wb/A |

### Permeability

Table C.18. Units: Permeability

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Henry per Meter | (H_p_m) | H/m |

### Permittivity

Table C.19. Units: Permittivity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Farad per Meter | (F_p_m) | F/m |

## Energy

Table C.20. Units: Energy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
British Thermal Unit (IT) | Btu | J | 1055.056
Calorie (15 degrees Celsius) | cal_fifteen | J | 4.185880 (approximate)
Calorie (capital C) | Calorie / Calories | cal_IT | 1000
Calorie (international table) | cal_IT / cal / calorie / calories | J | 4.1868
Calorie (mean) | cal_mean | J | 4.19002 (approximate)
Calorie (thermochemical) | cal_th | J | 4.184
Electron Volt | eV / electron_volt / electron_volts | J | 1.6021766208E-19±9.8E-28 (approximate)
Erg | erg / ergs | J | 1E-7
Foe | foe / foes | erg | 1E51
Foot-Pound Force | (ft_lbf) | ft lbf |
Gram of TNT | gTNT / gramTNT | cal_th | 1000
Hartree | Ha / E_h / hartree | J | 4.359744650E-18±5.4E-26 (approximate)
Joule | J / joule / joules | N_m | 1
Kilowatt Hour | (W_h) | kW h |
Rydberg | Ry / rydberg_unit | Ha | 0.5
Ton of TNT | tTNT / tonTNT | gTNT | 1000000
Watt Hour | (W_h) | W h |

### Energy Density

Table C.21. Units: Energy Density

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Joule per Cubic Meter | (J_p_cum) | J/m^3 |

### Entropy

Table C.22. Units: Entropy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Joule per Kelvin | (J_p_K) | J/K |

### Molar Energy

Table C.23. Units: Molar Energy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Joule per Mole | (J_p_mol) | J/mol |

### Molar Entropy

Table C.24. Units: Molar Entropy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Joule per Mole Kelvin | (J_p_mol_K) | J/(mol K) |

### Power

Table C.25. Units: Power

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Horse Power | hp / horsepower / horsepowers | W | 745.699987158227022
Joule per Second | (J_p_s) | J/s |
Pferdestärke | PS / pferdestärke | W | 735.49875
Watt | W / watt / watts | J_p_s | 1

### Specific Energy

Table C.26. Units: Specific Energy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Joule per Kilogram | (J_p_kg) | J/kg |

### Specific Entropy

Table C.27. Units: Specific Entropy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Joule per Kilogram Kelvin | (J_p_kg_K) | J/(kg K) |

### Thermal Conductivity

Table C.28. Units: Thermal Conductivity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Watt per Meter Kelvin | (W_p_m_K) | W/(m K) |

## Force

Table C.29. Units: Force

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Dyne | dyn / dyne / dynes | N | 1E-5
Kilopond (Kilogram-Force) | (kpond_c) | kpond |
Meter Kilogram per Second Squared | (m_kg_p_sqs) | m kg/s^2 |
Newton | N / newton / newtons | m_kg_p_sqs | 1
Pond (Gram-Force) | pond / ponds / gf | N | 0.00980665
Pound Foot per Second Squared | (lb_ft_p_sqs) | lb ft/s^2 |
Pound-force | lbf / pound_force | N | 4.4482216152605
Poundal | poundal / poundals / pdl | lb_ft_p_sqs | 1

### Dynamic Viscosity

Table C.30. Units: Dynamic Viscosity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Pascal Second | (Pa_s) | Pa s |
Poise | P / poise / poises | Pa_s | 0.1

### Kinematic Viscosity

Table C.31. Units: Kinematic Viscosity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Square Meter per Second | (sqm_p_s) | m^2/s |
Stokes | St / stokes | sqm_p_s | 0.0001

### Moment of Force

Table C.32. Units: Moment of Force

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Newton Meter | (N_m) | N m |

### Pressure

Table C.33. Units: Pressure

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Atmosphere | atm / atmosphere / atmospheres | Pa | 101325
Bar | bar / bars | Pa | 100000
Inch of Mercury | inHg | mmHg | 25.4
Millimeter of Mercury | mmHg | atm | 1/760
Newton per Meter Squared | (N_p_sqm) | N/m^2 |
Pascal | Pa / pascal / pascals | N_p_sqm | 1
Pound-force per Square Inch | (lbf_p_sqin) | lbf/in^2 |
Pound-force per Square Inch (psi) | psi | lbf_p_sqin | 1
Torr | torr / torrs | atm | 1/760

### Surface Tension

Table C.34. Units: Surface Tension

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Newton per Meter | (N_p_m) | N/m |

## Information

Table C.35. Units: Information

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Bit | bit / bits |  |
Byte (8-bit) | byte / bytes / octet / octets | bit | 8
Gibibit | (Gibit_c) | Gibit |
Gibibyte | (Gibyte_c) | Gibyte |
Gigabit | (Gbit_c) | Gbit |
Gigabyte | (Gbyte_c) | Gbyte |
Kibibit | (Kibit_c) | Kibit |
Kibibyte | (Kibyte_c) | Kibyte |
Kilobit | (kbit_c) | kbit |
Kilobyte | (kbyte_c) | kbyte |
Mebibit | (Mibit_c) | Mibit |
Mebibyte | (Mibyte_c) | Mibyte |
Megabit | (Mbit_c) | Mbit |
Megabyte | (Mbyte_c) | Mbyte |
Nibble | nibble / nibbles / nybble / nybbles / semioctet / semioctets | bit | 4
Terabit | (Tbit_c) | Tbit |
Terabyte | (Tbyte_c) | Tbyte |
Tribble | tribble / tribbles | nibble | 3
Word (16-bit) | word / words | bit | 16

## Length

Table C.36. Units: Length

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Astronomical Unit | AU / astronomical_unit / astronomical_units | m | 149578706600
Centimeter | (cm_c) | cm |
Chain | ch / chain / chains | li | 100
Decimeter | (dm_c) | dm |
Fathom | fathom / fathoms | yd | 2
Foot | ft / foot / feet | hand | 3
Furlong | fur / furlong / furlongs | ch | 10
Hand | hand / hands | in | 4
Inch | in / inch / inches | m | 0.0254
Kilometer | (km_c) | km |
Light Year | ly / lightyear / lightyears | m | 9460730472580800
Ligne | ligne | pouce | 1/12
Link | li / link / links | in | 7.92
Meter | m / meter / meters / metre / metres |  |
Mil (1/1000 in) | mil / mils | in | 0.001
Mile | mi / mile / miles | yd | 1760
Millimeter | (mm_c) | mm |
Nautical Mile | nautical_mile / nautical_miles | m | 1852
Parsec | pc / parsec / parsecs | AU | 648000/pi
Pied du roi (French Royal Foot) | pied_du_roi | m | 9000/27706
Pouce (French Royal Inch) | pouce | pied_du_roi | 1/12
Rod (pole/perch) | rd / rod / rods | US_ft | 16.5
Toise | toise | pied_du_roi | 6
U.S. Survey Foot | US_ft / US_foot / US_feet | US_in | 12
U.S. Survey Inch | US_in / US_inch / US_inches | m | 100/3937
U.S. Survey Mile | US_mi / US_mile / US_miles | US_ft | 5280
Yard | yd / yard / yards | ft | 3
Ångström | Å / ångström / angstrom | m | 1E-10

## Light

### Illuminance

Table C.37. Units: Illuminance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Foot-Candle | fc / footcandle / footcandles | lm_p_sqft | 1
Lumen per Foot Squared | (lm_p_sqft) | lm/ft^2 |
Lumen per Meter Squared | (lm_p_sqm) | lm/m^2 |
Lux | lx / lux | lm_p_sqm | 1
Phot | ph / phot / phots | lx | 10000

### Irradiance

Table C.38. Units: Irradiance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Einstein per Meter Squared per Second | (einstein_p_sqm_p_s) | einstein/(s m^2) |
Microeinstein per Meter Squared per Second | (microeinstein_p_sqm_p_s) | µeinstein/(s m^2) |
Watt per Meter Squared | (W_p_sqm) | W/m^2 |

### Luminance

Table C.39. Units: Luminance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Candela per Meter Squared | (cd_p_sqm) | cd/m^2 |
Stilb | sb / stilb / stilbs | cd_p_sqm | 10000

### Luminous Flux

Table C.40. Units: Luminous Flux

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Candela Steradian | (cd_sr) | cd sr |
Lumen | lm / lumen / lumens | cd_sr | 1

### Luminous Intensity

Table C.41. Units: Luminous Intensity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Candela | cd / candela / candelas |  |

### Radiance

Table C.42. Units: Radiance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Watt per Square Meter Steradian | (W_p_sqm_sr) | W/(sr m^2) |

### Radiant Intensity

Table C.43. Units: Radiant Intensity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Watt per Steradian | (W_p_sr) | W/sr |

## Magnetism

### Magnetic Field Strength

Table C.44. Units: Magnetic Field Strength

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Ampere per Meter | (A_p_m) | A/m |
Oersted | Oe / oersted / oersteds | A_p_m | 1000/(4*pi)

### Magnetic Flux

Table C.45. Units: Magnetic Flux

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Maxwell | Mx / maxwell / maxwells | Wb | 1E-8
Volt Seconds | (V_s) | V s |
Weber | Wb / weber / webers | V_s | 1

### Magnetic Flux Density

Table C.46. Units: Magnetic Flux Density

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Gauss | gauss | T | 0.0001
Tesla | T / tesla / teslas | Wb_p_sqm | 1
Weber per Meter Squared | (Wb_p_sqm) | Wb/m^2 |

### Wave Number

Table C.47. Units: Wave Number

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Reciprocal Meter | (recm) | m^-1 |

## Mass

Table C.48. Units: Mass

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Carat | carat / carats | g | 0.2
Dram | dr / dram / drams | g | 1.7718451953125
Grain | gr / grain / grains | g | 0.06479891
Gram | g / gram / grams |  |
Hectogram | (hg_c) | hg |
Kilogram | (kg_c) | kg |
Long Hundredweight | l_cwt / long_hundredweight / long_hundredweights | lb | 112
Long Ton | l_ton / long_ton / long_tons | lb | 2240
Metric Ton (Tonne) | t / tonne / tonnes / ton / tons | g | 1000000
Ounce | oz / ounce / ounces | dr | 16
Ounce (troy) | oz_t / troy_ounce / troy_ounces | pwt | 20
Pennyweight | pwt / pennyweight / pennyweights | gr | 24
Pfund | pfund | g | 500
Pound | lb / pound / pounds | oz | 16
Pound (troy) | lb_t / troy_pound / troy_pounds | oz_t | 12
Short Hundredweight (Cental) | cwt / hundredweight / cental / hundredweights / centals | lb | 100
Short Ton | s_ton / short_ton / short_tons | lb | 2000
Stone | stone / stones | lb | 14
Zentner | zentner | pfund | 100

### Atomic Mass

Table C.49. Units: Atomic Mass

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Atomic Mass Unit | u / AMU / atomic_mass_unit / atomic_mass_units | g_p_mol | 1
Dalton | Da / dalton / daltons | g_p_mol | 1
Gram per Mole | (g_p_mol) | g/mol |
Kilodalton | (kDa_c) | kDa |

### Density

Table C.50. Units: Density

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Gram per Cubic Centimeter | (g_p_cucm) | g/cm^3 |
Gram per Cubic Decimeter | (g_p_cudm) | g/dm^3 |
Kilogram per Cubic Meter | (kg_p_cum) | kg/m^3 |

### Mass Fraction

Table C.51. Units: Mass Fraction

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Kilogram per Kilogram | (kg_p_kg) | kg/kg |

## Radioactivity

Table C.52. Units: Radioactivity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Becquerel | Bq / becquerel / becquerels | s^-1 | 1
Curie | Ci / curie / curies | Bq | 3.7E10

### Absorbed Dose

Table C.53. Units: Absorbed Dose

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Gray | Gy / gray / grays | J_p_kg | 1
Rad | rad_radioactivity | Gy | 1/100

### Absorbed Dose Rate

Table C.54. Units: Absorbed Dose Rate

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Gray per Second | (Gy_p_s) | Gy/s |

### Dose Equivalent

Table C.55. Units: Dose Equivalent

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Rem | rem_radioactivity | Sv | 1/100
Sievert | Sv / sievert / sieverts | J_p_kg | 1

### Exposure

Table C.56. Units: Exposure

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Coulomb per Kilogram | (C_p_kg) | C/kg |
Roentgen | R / roentgen / roentgens | C_p_kg | 0.000258

## Ratio

Table C.57. Units: Ratio

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Bel | B / bel / bels | Np | 0.5*ln(10)
Decibel | (dB_c) | dB |
Neper | Np / neper / nepers |  |

## Speed

Table C.58. Units: Speed

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Kilometer per Hour | (km_p_h) | km/h |
Knot | knot / knots | nautical_mile_p_h | 1
Meter per Second | (m_p_s) | m/s |
Miles per Hour | (mile_p_h) | mi/h |
Miles per Hour | mph | mile_p_h | 1
Nautical Mile per Hour | (nautical_mile_p_h) | nautical_mile/h |

### Acceleration

Table C.59. Units: Acceleration

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Galileo | Gal / galileo / galileos | m_p_sqs | 1/100
Gee | gee / gees | m_p_sqs | 9.80665
Meter per Second Squared | (m_p_sqs) | m/s^2 |

## Substance

Table C.60. Units: Substance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Einstein | einstein / einsteins |  |
Mole | mol / mole / moles |  |

### Catalytic Activity

Table C.61. Units: Catalytic Activity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Katal | kat / katal / katals | recs_mol | 1
Reciprocal Seconds Mole | (recs_mol) | mol/s |

### Catalytic Concentration

Table C.62. Units: Catalytic Concentration

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Katal per Cubic Meter | (kat_p_cum) | kat/m^3 |

### Substance Concentration

Table C.63. Units: Substance Concentration

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Mole per Cubic Meter | (mol_p_cum) | mol/m^3 |

## Temperature

Table C.64. Units: Temperature

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Degree Celsius | oC / °C / ℃ / celsius / celsius / centigrade / centigrades | K | \x + 273.15
Degree Fahrenheit | oF / °F / ℉ / fahrenheit | K | (\x+459.67)*5/9
Degree Rankine | oR / °R / rankine | K | 5/9
Kelvin | K / kelvin / kelvins |  |

## Time

Table C.65. Units: Time

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Day | d / day / days | h | 24
Fortnight | fortnight / fortnights | week | 2
Hour | h / hour / hours | min | 60
Julian Year | year / years | d | 365.25
Minute | min / minute / minutes | s | 60
Month | month / months | d | 30.4375
Second | s / second / seconds |  |
Week | week / weeks | d | 7

### Frequency

Table C.66. Units: Frequency

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Hertz | Hz / hertz | s^-1 | 1

## Typography

Table C.67. Units: Typography

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
ATA Pica | ata_pica / ata_picas | in | 0.166
ATA Point | ata_point / ata_pt / ata_points | ata_pica | 1/12
Cicero | cicero | dd | 12
Didot Point | didot / dd | pouce | 1/72
New Didot Point | new_didot | m | 0.000375
PostScript Pica | pica / picas | pt | 12
PostScript Point | pt / pts / point / points | in | 1/72

## Volume

Table C.68. Units: Volume

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Centiliter | (cl_c) | cL |
Cubic Inch | (cuin) | in^3 |
Cubic Meter | (cum) | m^3 |
Deciliter | (dl_c) | dL |
Liter | L / l / liter / liters / litre / litres | m^3 | 0.001
Milliliter | (ml_c) | mL |

### Cooking

Table C.69. Units: Cooking

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Cup (U.S.) | cup / cups | L | 0.2365882365
Dessertspoon | dessertspoon / dessertspoons | teaspoon | 2
Tablespoon | tablespoon / tablespoons | teaspoon | 3
Teaspoon | teaspoon / teaspoons | L | 0.005

### Fuel Economy

Table C.70. Units: Fuel Economy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Kilometer per Liter | (km_p_l) | km/L |
Liter per Kilometer | (l_p_km) | L/km |
Miles per Gallon | (mile_p_gal) | mi/gal |
Miles per Gallon | mpg | mile_p_gal | 1

### Imperial Capacity

Table C.71. Units: Imperial Capacity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Imperial Bushel | UK_bu / imperial_bushel / imperial_bushels | UK_gal | 8
Imperial Fluid Drachm | UK_fl_dr / imperial_fluid_drachm / imperial_fluid_drachms | imperial_fluid_scuple | 3
Imperial Fluid Ounce | UK_fl_oz / imperial_fluid_ounce / imperial_fluid_ounces | L | 0.0284130625
Imperial Fluid Scuple | imperial_fluid_scuple / imperial_fluid_scuples | imperial_minim | 20
Imperial Gallon | UK_gal / imperial_gallon / imperial_gallons | UK_qt | 4
Imperial Gill | UK_gi / imperial_gill / imperial_gills | UK_fl_oz | 5
Imperial Minim | imperial_minim / imperial_minims | UK_fl_oz | 1/480
Imperial Pint | UK_pt / imperial_pint / imperial_pints | UK_gi | 4
Imperial Quart | UK_qt / imperial_quart / imperial_quarts | UK_pt | 2

### Specific Volume

Table C.72. Units: Specific Volume

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Cubic Meter per Kilogram | (cum_p_kg) | m^3/kg |

### U.S. Capacity

Table C.73. Units: U.S. Capacity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
U.S. Barrel (oil) | bbl / barrel / barrels | gal | 42
U.S. Bushel | bu / bushel / bushels | pk | 4
U.S. Dry Pint | dry_pt / dry_pint / dry_pints | in^3 | 33.6003125
U.S. Dry Quart | dry_qt / dry_quart / dry_quarts | dry_pt | 2
U.S. Fluid Drachm | fl_dr / fluid_drachm / fluid_drachms | minim | 60
U.S. Fluid Ounce | fl_oz / fluid_ounce / fluid_ounces | in^3 | 231/128
U.S. Gallon | gal / gallon / gallons | liq_qt | 4
U.S. Gill | gi / gill / gills | fl_oz | 4
U.S. Liquid Pints | liq_pt / liquid_pint / liquid_pints | gi | 4
U.S. Liquid Quarts | liq_qt / liquid_quart / liquid_quarts | liq_pt | 2
U.S. Minim | minim / minims | fl_oz | 1/480
U.S. Peck | pk / peck / pecks | dry_qt | 8

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