Appendix C. Unit List
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# Appendix C. Unit List

## Angle

### Plane Angle

Table C.1. 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
Radian | rad / radian / radians |  |
Turn | turn / turns | ° | 360

### Solid Angle

Table C.2. Units: Solid Angle

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Steradian | sr / steradian / steradians | rad2 | 1

## Area

Table C.3. Units: Area

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Acre | acre / acres | ch2 | 10
Are | a / are / ares | m2 | 100
Barn | b / barn / barns | m2 | 1E−28
Circular Mil | cmil / cmils | thou2 | pi/4
Decare | da / decare / decares | a | 10
Hectare | ha / hectare / hectares | a | 100
Rood | rood / roods | yd2 | 1210
Section | section / sections | US_mi2 | 1
Thousand of Circular Mil | kcmil / MCM | cmil | 1000
Township | township / townships | section | 36

## Currency

Table C.4. Units: Currency

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Afghan Afghani | AFN / ؋ | € | exchange rate
Albanian Lek | ALL | € | exchange rate
Algerian Dinar | DZD | € | exchange rate
Angolan Kwanza | AOA | € | exchange rate
Argentine Peso | ARS | € | exchange rate
Armenian Dram | AMD / ֏ | € | exchange rate
Aruban Florin | AWG | € | exchange rate
Australian Dollar | AUD | € | exchange rate
Austrian Schilling (obsolete) | ATS | € | 1/13.7603
Azerbaijani Manat | AZN / ₼ | € | exchange rate
Bahamian Dollar | BSD | € | exchange rate
Bahraini Dinar | BHD | € | exchange rate
Bangladeshi Taka | BDT / ৳ | € | exchange rate
Barbadian Dollar | BBD | € | exchange rate
Belarusian Ruble | BYN | € | exchange rate
Belarusian Ruble p. (obsolete) | BYR | BYN | exchange rate
Belgian Franc (obsolete) | BEF | € | 1/40.3399
Belize Dollar | BZD | € | exchange rate
Bermudian Dollar | BMD | € | exchange rate
Bitcoin | BTC / ₿ / XBT / bitcoin / bitcoins | $ | exchange rate
Bolivian Boliviano Bs | BOB | € | exchange rate
Bosnia and Herzegovina Convertible Mark | BAM | € | exchange rate
Botswana Pula | BWP | € | exchange rate
Brazilian Real | BRL | € | exchange rate
British Pound | GBP / £ | € | exchange rate
Brunei Dollar | BND | € | exchange rate
Bulgarian Lev | lev / BGN | € | exchange rate
Burundian Franc | BIF | € | exchange rate
CFP franc | XPF | € | exchange rate
Cambodian Riel | KHR / ៛ | € | exchange rate
Canadian Dollar | CAD | € | exchange rate
Cape Verdean Escudo | CVE | € | exchange rate
Cayman Islands Dollar | KYD | € | exchange rate
Cent (USD) | ¢ / cent / cents | $ | 1/100
Central African CFA Franc | XAF / FCFA | € | exchange rate
Chilean Peso | CLP | € | exchange rate
Chinese Yuan Renminbi | CNY | € | exchange rate
Colombian Peso | COP | € | exchange rate
Comorian Franc | KMF | € | exchange rate
Costa Rican colón | CRC | € | exchange rate
Croatian Kuna (obsolete) | HRK | € | 1/7.53450
Cuban Peso | CUP | € | exchange rate
Cypriot Pound (obsolete) | CYP | € | 1/0.585274
Czech Koruna | CZK / Kč | € | exchange rate
Danish Krone | DKK | € | exchange rate
Democratic Republic of the Congo (Congolese Franc) | CDF | € | exchange rate
Deutsche Mark (obsolete) | DEM | € | 1/1.95583
Djiboutian Franc | DJF | € | exchange rate
Dominican Peso | DOP | € | exchange rate
Dutch Guilder (obsolete) | NLG | € | 1/2.20371
Eastern Caribbean Dollar | XCD | € | exchange rate
Egyptian Pound | EGP | € | exchange rate
El Salvadoran Colon (obsolete) | SVC | € | exchange rate
Eritrean Nafka | ERN | € | exchange rate
Estonian Kroon (obsolete) | EEK | € | 1/15.6466
Ethiopian Birr | ETB | € | exchange rate
Euro Cent | eurocent / eurocents | € | 1/100
European Euro | EUR / € / euro / euros |  |
Falkland Islands Pound | FKP | € | exchange rate
Fijian Dollar | FJD | € | exchange rate
Finnish Markka (obsolete) | FIM | € | 1/5.94573
French Franc (obsolete) | FRF / ₣ | € | 1/6.55957
Gambian Dalasi | GMD | € | exchange rate
Georgian Lari | GEL / ₾ | € | exchange rate
Ghanaian Cedi | GHS / ₵ | € | exchange rate
Gibraltar Pound | GIP | € | exchange rate
Greek Drachma (obsolete) | GRD / ₯ | € | 1/340.750
Guatemalan Quetzal | GTQ | € | exchange rate
Guernsey Pound | GGP | € | exchange rate
Guinean Franc | GNF | € | exchange rate
Guyanese Dollar | GYD | € | exchange rate
Haitian Gourde | HTG | € | exchange rate
Honduran Lempira | HNL | € | exchange rate
Hong Kong Dollar | HKD | € | exchange rate
Hungarian Forint | forint / HUF | € | exchange rate
Icelandic Krónur | ISK | € | exchange rate
Indian Rupee | INR / ₹ / rupee | € | exchange rate
Indonesian Rupiah | IDR / rupiah | € | exchange rate
Iranian Rial | IRR / ﷼ | € | exchange rate
Iraqi Dinar | IQD | € | exchange rate
Irish Pound (obsolete) | IEP | € | 1/0.787564
Israeli New Sheqel | ILS / ₪ / sheqel | € | exchange rate
Italian Lira (obsolete) | ITL | € | 1/1936.27
Jamaican Dollar | JMD | € | exchange rate
Japanese Yen | JPY / ¥ / yen | € | exchange rate
Jordanian Dinar | JOD | € | exchange rate
Kazakhstani Tenge | KZT / ₸ | € | exchange rate
Kenya Shilling | KES | € | exchange rate
Kuwaiti Dinar | KWD | € | exchange rate
Kyrgyzstani Som | KGS | € | exchange rate
Lao Kip | LAK / ₭ | € | exchange rate
Latvian Lats (obsolete) | LVL | € | 1/0.702800
Lebanese Pound | LBP | € | exchange rate
Lesotho Loti | LSL | € | exchange rate
Liberian Dollar | LRD | € | exchange rate
Libyan Dinar | LYD | € | exchange rate
Lithuanian Litas (obsolete) | LTL | € | 1/3.45280
Luxembourg Franc (obsolete) | LUF | € | 1/40.3399
Macanese Pataca | MOP | € | exchange rate
Macedonian Denar | MKD | € | exchange rate
Malagasy Ariary | MGA | € | exchange rate
Malawian Kwacha | MWK | € | exchange rate
Malaysian Ringgit | MYR / myr | € | exchange rate
Maldivian Rufiyaa | MVR | € | exchange rate
Maltese Lira (obsolete) | MTL | € | 1/0.429300
Mauritanian Ouguiya | MRU | € | exchange rate
Mauritian Rupee | MUR | € | exchange rate
Mexican Peso | MXN | € | exchange rate
Moldovan Leu | MDL | € | exchange rate
Mongolian Tögrög | MNT / ₮ | € | exchange rate
Moroccan Dirham | MAD | € | exchange rate
Mozambican Metical | MZN | € | exchange rate
Myanmar (Burmese Kyat) | MMK | € | exchange rate
Namibian Dollar | NAD | € | exchange rate
Nepalese Rupee | NPR | € | exchange rate
Netherlands Antillean Guilder | ANG | € | exchange rate
New Taiwan Dollar | TWD | € | exchange rate
New Zealand Dollar | NZD | € | exchange rate
Nicaraguan Córdoba | NIO | € | exchange rate
Nigerian Naira | NGN / ₦ | € | exchange rate
North Korean Won | KPW | € | exchange rate
Norwegian Krone | NOK | € | exchange rate
Omani Rial | OMR | € | exchange rate
Pakistani Rupee | PKR | € | exchange rate
Panamaian Balboa | PAB | € | exchange rate
Papua New Guinean Kina | PGK | € | exchange rate
Paraguayan Guaraní | PYG / ₲ | € | exchange rate
Peruvian Sol | PEN | € | exchange rate
Philippine Peso | PHP / ₱ | € | exchange rate
Polish Zloty | PLN / zł / zloty | € | exchange rate
Portuguese Escudo (obsolete) | PTE | € | 1/200.482
Qatari Riyal | QAR | € | exchange rate
Romanian Leu | RON | € | exchange rate
Russian Ruble | RUB / ₽ / ruble | € | exchange rate
Rwandan Franc | RWF | € | exchange rate
Saudi Riyal | SAR | € | exchange rate
Serbian Dinar | RSD | € | exchange rate
Seychellois Rupee | SCR | € | exchange rate
Sierra Leonean Leone | SLL | € | exchange rate
Singapore Dollar | SGD | € | exchange rate
Slovak Koruna (obsolete) | SKK | € | 1/30.1260
Slovenian Tolar (obsolete) | SIT | € | 1/239.640
Solomon Islands Dollar | SBD | € | exchange rate
Somali Shilling | SOS | € | exchange rate
South African Rand | ZAR | € | exchange rate
South Korean Won | KRW / ₩ / won | € | exchange rate
Spanish Peseta (obsolete) | ESP / ₧ | € | 1/166.386
Sri Lankan Rupee | LKR / ௹ | € | exchange rate
Sudanese Pound | SDG | € | exchange rate
Surinamese Dollar | SRD | € | exchange rate
Swazi Lilangeni | SZL | € | exchange rate
Swedish Krona | SEK | € | exchange rate
Swiss Franc | CHF | € | exchange rate
Syrian Pound | SYP | € | exchange rate
São Tomé and Príncipe Dobra | STD | € | exchange rate
Tajikistani Somoni | TJS | € | exchange rate
Tanzanian Shilling | TZS | € | exchange rate
Thai Baht | THB | € | exchange rate
Tongan Paʻanga | TOP | € | exchange rate
Trinidad and Tobago dollar | TTD | € | exchange rate
Tunisian Dinar | TND | € | exchange rate
Turkish New Lira | TRY / ₺ | € | exchange rate
Turkmenistan Manat | TMT | € | exchange rate
U.S. Dollar | $ / USD / dollar / dollars | € | exchange rate
Ugandan Shilling | UGX | € | exchange rate
Ukrainian Hryvnia | UAH / ₴ | € | exchange rate
United Arab Emirates Dirham | AED | € | exchange rate
Uruguayan Peso | UYU | € | exchange rate
Uzbekistan Soʻm | UZS | € | exchange rate
Vanuatu Vatu | VUV | € | exchange rate
Venezuelan Bolívar | VES | € | exchange rate
Vietnamese Đồng | VND / ₫ | € | exchange rate
West African CFA Franc | XOF / CFA | € | exchange rate
Yemeni Rial | YER | € | exchange rate
Zambian Kwacha | ZMW | € | exchange rate

## Electricity

### Capacitance

Table C.5. Units: Capacitance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Farad | F / farad / farads | C ∕ V | 1

### Electric Charge

Table C.6. Units: Electric Charge

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Abcoulomb | abcoulomb / abcoulombs / abC / aC | C | 10
Atomic Unit of Charge | e_unit / q_A | C | 1.602176634E−19
Coulomb | C / coulomb / coulombs | A·s | 1
Planck Charge | PlanckCharge / q_P | C | sqrt(4pi×electric_constant×planck2pi×c)
Statcoulomb (Franklin) | statcoulomb / statcoulombs / statC / franklin / Fr / franklins | C | 1/2997924580

### Electric Conductance

Table C.7. Units: Electric Conductance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Siemens | S / siemens / ℧ | A ∕ V | 1

### Electric Current

Table C.8. Units: Electric Current

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

### Electric Dipole Moment

Table C.9. Units: Electric Dipole Moment

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Debye | D / debye / debyes | statC·cm | 1E−18

### Electric Potential

Table C.10. 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 ∕ A | 1

### Electric Resistance

Table C.11. Units: Electric Resistance

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

### Electrical Elastance

Table C.12. Units: Electrical Elastance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Daraf | daraf / darafs | F−1 | 1

### Inductance

Table C.13. Units: Inductance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Abhenry | abhenry / abhenrys / abH | H | 1E−9
Henry | H / henry / henrys | Wb ∕ A | 1

## Energy

Table C.14. Units: Energy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
British Thermal Unit (IT) | Btu | J | 1055.056
Calorie (15 degrees Celsius) | cal_fifteen | J | 4.1855±0.0005
Calorie (capital C) | Calorie / Calories | calIT | 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
Electronvolt | eV / electronvolt / electronvolts | J | 1.602176634E−19
Erg | erg / ergs | J | 1E−7
Foe | foe / foes | erg | 1E51
Gram of TNT | gTNT / gramTNT | calth | 1000
Hartree (Atomic Unit of Energy) | Ha / E_h / hartree | J | 2×rydberg×planck×c
Joule | J / joule / joules | N·m | 1
Rydberg (unit) | Ry / RydbergUnit | Ha | 0.5
Ton of TNT | tTNT / tonTNT | gTNT | 1000000

### Action

Table C.15. Units: Action

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Reduced Planck (Atomic/Natural Unit of Action) | PlanckUnit / ℏ_unit | J·s | 3.3130351E−34/pi

### Entropy

Table C.16. Units: Entropy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Boltzmann (unit) | BoltzmannUnit / k_Bunit | J ∕ K | 1.380649E−23

### Power

Table C.17. Units: Power

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Decibel Milliwatt | dBm | W | 10^((\x−30)/10)
Decibel Watt | dBW | W | 10^(\x/10)
Horse Power | hp / horsepower / horsepowers | W | 745.699987158227022
Pferdestärke | PS / pferdestärke | W | 735.49875
Watt | W / watt / watts | J ∕ s | 1

## Force

Table C.18. Units: Force

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Dyne | dyn / dyne / dynes | N | 1E−5
Newton | N / newton / newtons | m·kg ∕ s2 | 1
Ounce-force | ozf / OunceForce | lbf | 0.0625
Pond (Gram-Force) | pond / ponds / gf | N | 0.00980665
Pound-force | lbf / PoundForce | N | 4.4482216152605
Poundal | poundal / poundals / pdl | lb·ft ∕ s2 | 1

### Dynamic Viscosity

Table C.19. Units: Dynamic Viscosity

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

### Kinematic Viscosity

Table C.20. Units: Kinematic Viscosity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Stokes | St / stokes | m2 ∕ s | 0.0001

### Pressure

Table C.21. Units: Pressure

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Atmosphere | atm / atmosphere / atmospheres | Pa | 101325
Bar | bar / bars | Pa | 100000
Barye | Ba / barye | dyn ∕ cm2 | 1
Inch of Mercury | inHg | mmHg | 25.4
Inch of Water | inWC / iwg / inH₂O | mH₂O | 0.0254
Kilopound-force per Square Inch (ksi) | ksi | psi | 1000
Meter of Mercury | mHg | atm | 1000/760
Meter of Water | mWC / mwg / mH₂O | Pa | 9806.65
Millimeter of Mercury | mmHg | mHg | 0.001
Pascal | Pa / pascal / pascals | N ∕ m2 | 1
Pound-force per Square Inch (psi) | psi | lbf ∕ in2 | 1
Torr | Torr / torr / torrs | atm | 1/760

## Information

Table C.22. Units: Information

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Bit (Binary Digit) | bit / bits / shannon / shannons / Sh / BinaryDigit / BinaryDigits |  |
Byte (8-bit) | byte / B / bytes / octet / octets / o | bit | 8
Declet | declet / declets | bit | 10
Hartley (Decimal Digit) | hartley / hartleys / Hart / dit / dits / DecimalDigit / DecimalDigits | bit | log2(10)
Nat | nat / nats | bit | log2(e)
Nibble (Hexadecimal Digit) | nibble / nibbles / nybble / nybbles / semioctet / semioctets / HexDigit / HexDigits / HexadecimalDigit / HexadecimalDigits | bit | 4
Nonet | nonet / nonets | bit | 9
Octal Digit | OctalDigit / OctalDigits | bit | 3
Tribble | tribble / tribbles | nibble | 3
Trit (Ternary Digit) | trit / trits / TrinaryDigit / TrinaryDigits / TernaryDigit / TernaryDigits | bit | log2(3)
Word (16-bit) | word / words | bit | 16

## Length

Table C.23. Units: Length

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Astronomical Unit | AU / AstronomicalUnit / AstronomicalUnits | m | 149597870700
Bohr (Atomic Unit of Length) | BohrUnit | m | bohr_radius
Chain | ch / chain / chains | li | 100
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
Light Hour | LightHour / LightHours | LightMinute | 60
Light Minute | LightMinute / LightMinutes | LightSecond | 60
Light Second | LightSecond / LightSeconds | ly | 1/31557600
Light Year | ly / lightyear / lightyears | m | 9460730472580800
Ligne | ligne / lignes | pouce | 1/12
Link | li / link / links | in | 7.92
Meter | m / meter / meters / metre / metres |  |
Mile | mi / mile / miles | yd | 1760
Natural Unit of Length | l_N / ƛ_C | ℏ ∕ (me·c) | 1
Nautical Mile | NauticalMile / NauticalMiles | m | 1852
Parsec | pc / parsec / parsecs | AU | 648000/pi
Pied du roi (French Royal Foot) | PiedDuRoi / PiedsDuRoi | m | 9000/27706
Planck Length | PlanckLength / l_P | m | sqrt(planck2pi×newtonian_constant/c3)
Pouce (French Royal Inch) | pouce / pouces | PiedDuRoi | 1/12
Rack Unit | U / RackUnit / RackUnits / RU | in | 1.75
Rod (pole/perch) | rd / rod / rods | ft | 16.5
Thou/mil (1/1000 in) | thou / mil / mils | in | 0.001
Toise | toise / toises | PiedDuRoi | 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
U.S. Survey Rod | US_rd / US_rod / US_rods | US_ft | 16.5
Yard | yd / yard / yards | ft | 3
Ångström | Å / Å / ångström / angstrom | m | 1E−10

## Light

### Illuminance

Table C.24. Units: Illuminance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Foot-Candle | fc / footcandle / footcandles | lm ∕ ft2 | 1
Lux | lx / lux | lm ∕ m2 | 1
Phot | ph / phot / phots | lx | 10000

### Luminance

Table C.25. Units: Luminance

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Stilb | sb / stilb / stilbs | cd ∕ m2 | 10000

### Luminous Flux

Table C.26. Units: Luminous Flux

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

### Luminous Intensity

Table C.27. Units: Luminous Intensity

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

## Magnetism

### Magnetic Field Strength

Table C.28. Units: Magnetic Field Strength

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Oersted | Oe / oersted / oersteds | A ∕ m | 1000/(4×pi)

### Magnetic Flux

Table C.29. Units: Magnetic Flux

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

### Magnetic Flux Density

Table C.30. Units: Magnetic Flux Density

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Gauss | gauss | T | 0.0001
Tesla | T / tesla / teslas | Wb ∕ m2 | 1

## Mass

Table C.31. Units: Mass

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Atomic Mass Unit | u / AMU / AtomicMassUnit / AtomicMassUnits | g | atomic_mass_constant×1000
Atomic/Natural Unit of Mass | ElectronUnit / m_eunit | g | electron_mass×1000
Carat | carat / carats | g | 0.2
Dalton | Da / dalton / daltons | g | atomic_mass_constant×1000
Dram | dr / dram / drams | g | 1.7718451953125
Grain | gr / grain / grains | g | 0.06479891
Gram | g / gram / grams |  |
Long Hundredweight | l_cwt / LongHundredweight / LongHundredweights | lb | 112
Long Ton | l_ton / LongTon / LongTons | lb | 2240
Metric Ton (Tonne) | t / tonne / tonnes / ton / tons | g | 1000000
Ounce | oz / ounce / ounces | dr | 16
Ounce (troy) | oz_t / TroyOunce / TroyOunces | pwt | 20
Pennyweight | pwt / pennyweight / pennyweights | gr | 24
Pfund | pfund | g | 500
Planck Mass | PlanckMass / m_P | g | sqrt(planck2pi×c/newtonian_constant)×1000
Pound | lb / ℔ / pound / pounds | oz | 16
Pound (troy) | lb_t / TroyPound / TroyPounds | ozt | 12
Short Hundredweight (Cental) | cwt / hundredweight / cental / hundredweights / centals | lb | 100
Short Ton | s_ton / ShortTon / ShortTons | lb | 2000
Stone | stone / stones | lb | 14
Zentner | zentner | pfund | 100

## Radioactivity

Table C.32. Units: Radioactivity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Becquerel | Bq / becquerel / becquerels | s-1 | 1
Curie | Ci / curie / curies | Bq | 3.7E10
Rutherford | Rd / rutherford / rutherfords | Bq | 1E6

### Absorbed Dose

Table C.33. Units: Absorbed Dose

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Gray | Gy / gray / grays | J ∕ kg | 1
Rad | RadRadioactivity | Gy | 1/100

### Dose Equivalent

Table C.34. Units: Dose Equivalent

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Roentgen Equivalent Man (Rem) | rem_radioactivity / rem | Sv | 1/100
Sievert | Sv / sievert / sieverts | J ∕ kg | 1

### Exposure

Table C.35. Units: Exposure

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Roentgen | R / roentgen / röntgen / roentgens / röntgens | C ∕ kg | 0.000258

## Ratio

Table C.36. Units: Ratio

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Bel | bel / bels | Np | 0.5×ln(10)
Decibel | dB / decibel / decibels | bel | 0.1
Neper | Np / neper / nepers |  |

## Speed

Table C.37. Units: Speed

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Kilometer per Hour | kph / kmph | km ∕ h | 1
Knot | knot / knots | NauticalMile ∕ h | 1
Miles per Hour | mph | mi ∕ h | 1
Speed of Light (Natural Unit of Velocity) | c_unit | m ∕ s | 299792458

### Acceleration

Table C.38. Units: Acceleration

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Galileo | Gal / galileo / galileos | m ∕ s2 | 1/100
Gee | gee / gees | m ∕ s2 | 9.80665

## Substance

Table C.39. Units: Substance

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

### Catalytic Activity

Table C.40. Units: Catalytic Activity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Katal | kat / katal / katals | mol ∕ s | 1

## Temperature

Table C.41. 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 / oRa / °R / °Ra / rankine | K | 5/9
Kelvin | K / K / kelvin / kelvins |  |
Planck Temperature | PlanckTemperature / T_P | K | sqrt((planck2pi×c5)/newtonian_constant)/boltzmann

## Time

Table C.42. Units: Time

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Day | d / day / days | h | 24
Fortnight | fortnight / fortnights | week | 2
Hour | h / hour / hours / hr / hrs | min | 60
Julian Year | year / years / a_j / yr / annus | d | 365.25
Mean Gregorian Year | a_g / GregorianYear / GregorianYears | d | 365.2425
Mean Tropical Year | a_t / TropicalYear / TropicalYears | d | 365.24219
Minute | min / minute / minutes | s | 60
Month | month / months | d | 30.4375
Planck Time | PlanckTime / t_P | s | sqrt(planck2pi×newtonian_constant/c5)
Second | s / second / seconds |  |
Week | week / weeks | d | 7

### Frequency

Table C.43. Units: Frequency

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

## Typography

Table C.44. Units: Typography

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
ATA Pica | AtaPica / AtaPicas | in | 0.166
ATA Point | AtaPoint / ata_pt / AtaPoints | AtaPica | 1/12
Cicero | cicero | dd | 12
Didot Point | didot / dd | pouce | 1/72
New Didot Point | NewDidot | m | 0.000375
PostScript Pica | pica / picas | pt | 12
PostScript Point | pt / pts / point / points | in | 1/72

## Volume

Table C.45. Units: Volume

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Liter | L / l / ℓ / liter / liters / litre / litres | m3 | 0.001

### Cooking

Table C.46. 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.47. Units: Fuel Economy

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Miles per Gallon | mpg | mi ∕ gal | 1

### Imperial Capacity

Table C.48. Units: Imperial Capacity

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Imperial Bushel | UK_bu / ImperialBushel / ImperialBushels | UK_gal | 8
Imperial Fluid Drachm | UK_fl_dr / ImperialFluidDrachm / ImperialFluidDrachms | ImperialFluidScuple | 3
Imperial Fluid Ounce | UK_fl_oz / ImperialFluidOunce / ImperialFluidOunces | L | 0.0284130625
Imperial Fluid Scuple | ImperialFluidScuple / ImperialFluidScuples | ImperialMinim | 20
Imperial Gallon | UK_gal / ImperialGallon / ImperialGallons | UK_qt | 4
Imperial Gill | UK_gi / ImperialGill / ImperialGills | UK_fl_oz | 5
Imperial Minim | ImperialMinim / ImperialMinims | UK_fl_oz | 1/480
Imperial Pint | UK_pt / ImperialPint / ImperialPints | UK_gi | 4
Imperial Quart | UK_qt / ImperialQuart / ImperialQuarts | UK_pt | 2

### U.S. Capacity

Table C.49. 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 / DryPint / DryPints | in3 | 33.6003125
U.S. Dry Quart | dry_qt / DryQuart / DryQuarts | dry_pt | 2
U.S. Fluid Drachm | fl_dr / FluidDrachm / FluidDrachms | minim | 60
U.S. Fluid Ounce | fl_oz / FluidOunce / FluidOunces | in3 | 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 / LiquidPint / LiquidPints | gi | 4
U.S. Liquid Quarts | liq_qt / LiquidQuart / LiquidQuarts | liq_pt | 2
U.S. Minim | minim / minims | fl_oz | 1/480
U.S. Peck | pk / peck / pecks | dry_qt | 8

### Volumetric Flow Rate

Table C.50. Units: Volumetric Flow Rate

Title | Names | Base Unit(s) | Relation
--- | --- | --- | ---
Cubic Foot per Minute (CFM) | cfm | ft3 ∕ min | 1
Cubic Foot per Second (CFS) | cfs | ft3 ∕ s | 1
Cumecs | cumec / cumecs | m3 ∕ s | 1
Gallons per Hour (U.S.) | gph | gal ∕ h | 1
Gallons per Minute (U.S.) | gpm | gal ∕ min | 1
Sverdrup | sverdrup | m3 ∕ s | 1000000

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