There're plenty of units. If that's not enough, you can easily add your own. You can change names, edit formulas, rearrange order of appearence.

Sound

Acceleration

  • Galileo
  • attometer/square second
  • centimeter/square second
  • decimeter/square second
  • dekameter/square second
  • femtometer/square second
  • foot/square second
  • free fall on Earth
  • free fall on Mars
  • free fall on Venus
  • free fall on moon
  • gravity
  • hectometer/square second
  • inch/square second
  • kilometer/square second
  • meter/square second
  • micrometer/square second
  • mile/square second
  • millimeter/square second
  • nanometer/square second
  • picometer/square second
  • seconds from 0 to 100 km/h
  • seconds from 0 to 100 mph
  • seconds from 0 to 200 mph
  • seconds from 0 to 60 mph
  • yard/square second

Angle

  • German thousandth
  • Russian thousandth
  • degree
  • gon
  • grad
  • mil
  • minute
  • nautical rhumb
  • quadrant
  • radian
  • revolution
  • second
  • sextant
  • sign
  • turn

Area

  • acre
  • are
  • arpent
  • century
  • cho
  • circular inch
  • circular mil
  • desyatina (farmery)
  • desyatina (state)
  • dunam
  • fen
  • geredium
  • hectare
  • homestead
  • klima
  • labor
  • li
  • manzana
  • mu
  • ngan
  • pyeong
  • qing
  • rai
  • rood
  • royal square perche
  • salt
  • se
  • section
  • square akt
  • square akt (small)
  • square arshin
  • square centimeter
  • square chain
  • square chi
  • square cun
  • square decimpeda
  • square foot
  • square foot (US Survey)
  • square inch
  • square kilometer
  • square league
  • square meter
  • square micrometer
  • square mil
  • square mile
  • square mile (US Survey)
  • square millimeter
  • square nanometer
  • square ped (legal)
  • square ped (ordinary)
  • square perch
  • square pied
  • square pole
  • square pouce
  • square rod
  • square rod (US Survey)
  • square toise
  • square vara
  • square versta
  • square yard
  • square zhang
  • talang wah
  • tann
  • township
  • tsubo
  • uger

Capacity and Volume

  • acre-foot
  • ban
  • barrel (British)
  • barrel (U.S. dry)
  • barrel (U.S. liquid)
  • board foot
  • bushel (British)
  • bushel (U.S. dry)
  • centiliter
  • cubic centimeter
  • cubic foot
  • cubic inch
  • cubic meter
  • cubic millimeter
  • cubic yard
  • cuo
  • dan
  • deciliter
  • dou
  • fluid dram
  • fluid ounce (British)
  • fluid ounce (U.S.)
  • gallon (British)
  • gallon (U.S. dry)
  • gallon (U.S. liquid)
  • ge
  • gill (U.S. dry)
  • gill (U.S. liquid)
  • go
  • koku
  • kwien
  • liter
  • microliter
  • milliliter
  • minim
  • peck (British)
  • peck (U.S. dry)
  • perch (British)
  • pint (British)
  • pint (U.S. dry)
  • pint (U.S. liquid)
  • quart (British)
  • quart (U.S. dry)
  • quart (U.S. liquid)
  • sat
  • shao
  • sheng
  • sho
  • tanan
  • to

Charge

  • EMU of charge
  • ESU of charge
  • abcoulomb
  • ampere-hour
  • ampere-minute
  • ampere-second
  • coulomb
  • elementary charge
  • faraday (based on carbon 12)
  • franklin
  • kilocoulomb
  • megacoulomb
  • microcoulomb
  • millicoulomb
  • nanocoulomb
  • picocoulomb
  • statcoulomb

Clothing

  • Men's Suits, Coats, Sweaters
  • Socks
  • Shirts
  • T-Shirts
  • Men's Shoes
  • Rings
  • Bra Size
  • Women's Blouses, Sweaters
  • Women's Dresses, Suits, Coats
  • Stockings
  • Women's Shoes
  • Girl's Shoes
  • Boys' Shoes

Concentration Molar

  • kilomol/cubic centimeter
  • kilomol/cubic meter
  • kilomol/cubic millimeter
  • kilomol/liter
  • millimol/cubic centimeter
  • millimol/cubic meter
  • millimol/cubic millimeter
  • millimol/liter
  • mol/cubic centimeter
  • mol/cubic meter
  • mol/cubic millimeter
  • mol/liter

Concentration Solution

  • grain/gallon (UK)
  • grain/gallon (US)
  • gram/liter
  • kilogram/liter
  • milligram/liter
  • part/million
  • pound/cubic foot
  • pound/gallon (UK)
  • pound/gallon (US)
  • pound/million gallon (UK)
  • pound/million gallon (US)

Currency

  • Afghanistan Afghani
  • Albanian Lek
  • Algerian Dinar
  • Andorran Franc
  • Angolan New Kwanza
  • Argentine Peso
  • Armenian Dram
  • Aruban Florin
  • Australian Dollar
  • Austrian Schilling
  • Azerbaijan New Manat
  • Bahamanian Dollar
  • Bahraini Dinar
  • Bangladeshi Taka
  • Barbados Dollar
  • Belarus Ruble
  • Belgian Franc
  • Belize Dollar
  • Bermudian Dollar
  • Bhutan Ngultrum
  • Bolivian Boliviano
  • Bosnia and Herzegovina Marka
  • Botswana Pula
  • Brazilian Real
  • Brunei Dollar
  • Bulgarian Lev
  • Burundi Franc
  • CFA Franc BCEAO
  • CFA Franc BEAC
  • Cambodian Riel
  • Canadian Dollar
  • Canton & Enderbury Island Pound
  • Cape Verde Escudo
  • Cayman Islands Dollar
  • Central Pacific Franc
  • Chilean Peso
  • Chilean U. Fomento
  • Chinese Yuan Renminbi
  • Colombian Peso
  • Comoros Franc
  • Costa Rican Colon
  • Croatian Kuna
  • Cuban Peso
  • Czech Koruna
  • Danish Krone
  • Djibouti Franc
  • Dominican R. Peso
  • Dutch Guilder
  • East Caribbean Dollar
  • Ecuador Sucre
  • Egyptian Pound
  • El Salvador Colon
  • Eritrea Nakfa
  • Estonian Kroon
  • Ethiopian Birr
  • Euro
  • Falkland Islands Pound
  • Fiji Dollar
  • Finnish Markka
  • French Franc
  • French Pacific Islands Franc
  • Gambian Dalasi
  • Georgian Lari
  • German Mark
  • Ghanaian Cedi
  • Gibraltar Pound
  • Gold (oz.)
  • Great Britain Pound
  • Greek Drachma
  • Guatemalan Quetzal
  • Guernsey Pound
  • Guinea Franc
  • Guyanese Dollar
  • Haitian Gourde
  • Honduran Lempira
  • Hong Kong Dollar
  • Hungarian Forint
  • Iceland Krona
  • Indian Rupee
  • Indonesian Rupiah
  • Iranian Rial
  • Iraqi Dinar
  • Irish Punt
  • Isle Of Man Pound
  • Israeli New Shekel
  • Italian Lira
  • Jamaican Dollar
  • Japanese Yen
  • Jersey Pound
  • Jordanian Dinar
  • Kazakhstan Tenge
  • Kenyan Shilling
  • Kuwaiti Dinar
  • Kyrgyzstan Som
  • Lao Kip
  • Latvian Lats
  • Lebanese Pound
  • Lesotho Loti
  • Liberian Dollar
  • Libyan Dinar
  • Lithuanian Lit
  • Luxembourg Franc
  • Macau Pataca
  • Macedonia Denar
  • Madagascar Franc
  • Malawi Kwacha
  • Malaysian Ringgit
  • Maldive Rufiyaa
  • Maltese Lira
  • Mauritanian Ouguiya
  • Mauritius Rupee
  • Mexican New Peso
  • Mexican Unidades De Inversion
  • Moldova Leu
  • Mongolian Tugrik
  • Moroccan Dirham
  • Mozambique Metical
  • Myanmar Kyat
  • NL Antillian Guilder
  • Namibia Dollar
  • Nepalese Rupee
  • New Zealand Dollar
  • Nicaraguan Cordoba Oro
  • Nigerian Naira
  • North Korean Won
  • Norwegian Kroner
  • Omani Rial
  • Pakistan Rupee
  • Palladium (oz.)
  • Panamanian Balboa
  • Papua New Guinea Kina
  • Paraguay Guarani
  • Peruvian Nuevo Sol
  • Philippine Peso
  • Platinum (oz.)
  • Polish Zlot
  • Portuguese Escudo
  • Qatari Rial
  • Republic of Congo Franc
  • Romanian Leu
  • Russian Rouble
  • Rwanda Franc
  • Samoan Tala
  • Sao Tome/Principe Dobra
  • Saudi Riyal
  • Seborga Luigini
  • Serbia & Montenegro Dinar
  • Seychelles Rupee
  • Sierra Leone Leone
  • Silver (oz.)
  • Singapore Dollar
  • Slovak Koruna
  • Slovenian Tolar
  • Solomon Islands Dollar
  • Somali Shilling
  • South African Rand
  • South-Korean Won
  • Spanish Peseta
  • Special Drawing Right
  • Sri Lanka Rupee
  • St. Helena Pound
  • Sudanese Dinar
  • Sudanese Pound
  • Suriname Dollar
  • Swaziland Lilangeni
  • Swedish Krona
  • Swiss Franc
  • Syrian Pound
  • Taiwan Dollar
  • Tajikistan Ruble
  • Tanzanian Shilling
  • Thai Baht
  • Tonga Paanga
  • Trinidad/Tobago Dollar
  • Tunisian Dinar
  • Turkish New Lira
  • Turkmenistan Manat
  • US Dollar
  • Uganda Shilling
  • Ukraine Hryvnia
  • Uruguayan Peso
  • Utd. Arab Emir. Dirham
  • Uzbekistan Sum
  • Vanuatu Vatu
  • Venezuelan Bolivar
  • Vietnamese Dong
  • Yemeni Rial
  • Zambian Kwacha
  • Zimbabwe Dollar

Current

  • CGS e.m. unit
  • CGS e.s. unit
  • EMU of current
  • ESU of current
  • abampere
  • ampere
  • biot
  • kiloampere
  • milliampere
  • statampere

Data Storage

  • bit
  • byte
  • gigabit
  • gigabit (hardware)
  • gigabyte
  • gigabyte (hardware)
  • kilobit
  • kilobit (hardware)
  • kilobyte
  • kilobyte (hardware)
  • megabit
  • megabit (hardware)
  • megabyte
  • megabyte (hardware)
  • petabit
  • petabyte
  • terabit
  • terabit (hardware)
  • terabyte
  • terabyte (hardware)

Data Transfer

  • BlueTooth 1.2
  • BlueTooth 2.0
  • E1 (signal)
  • EDGE
  • Ethernet (1 Gbps)
  • Ethernet (10 Mbps)
  • Ethernet (100 Mbps)
  • Firewire (IEEE-1394)
  • Firewire S800
  • GPRS
  • ISDN (dual channel)
  • ISDN (single channel)
  • Modem (28.8k)
  • Modem (33.6k)
  • Modem (56k)
  • OC1
  • OC12
  • OC192
  • OC24
  • OC3
  • OC48
  • OC768
  • T1 (signal)
  • USB 1.1
  • USB 2.0
  • WiFi 802.11b
  • WiFi 802.11g
  • WiFi 802.11n
  • bit/second
  • byte/second
  • gigabit/second
  • gigabyte/second
  • hour per gigabyte
  • hour per megabyte
  • kilobit/second
  • kilobyte/second
  • megabit/second
  • megabyte/second
  • minute per gigabyte
  • minute per megabyte
  • second per gigabyte
  • second per megabyte
  • terabit/second
  • terabyte/second

Density

  • Earth's density (mean)
  • attogram/liter
  • centigram/liter
  • decigram/liter
  • dekagram/liter
  • exagram/liter
  • femtogram/liter
  • gigagram/liter
  • grain/cubic foot
  • grain/gallon (UK)
  • grain/gallon (US)
  • gram/cubic centimeter
  • gram/cubic meter
  • gram/cubic millimeter
  • gram/liter
  • hectogram/liter
  • kilogram/cubic centimeter
  • kilogram/cubic meter
  • kilogram/liter
  • megagram/liter
  • microgram/liter
  • milligram/cubic centimeter
  • milligram/cubic meter
  • milligram/cubic millimeter
  • milligram/liter
  • nanogram/liter
  • ounce/cubic foot
  • ounce/cubic inch
  • ounce/gallon (UK)
  • ounce/gallon (US)
  • petagram/liter
  • picogram/liter
  • pound/cubic foot
  • pound/cubic inch
  • pound/cubic yard
  • pound/gallon (UK)
  • pound/gallon (US)
  • psi/1000 feet
  • slug/cubic foot
  • teragram/liter
  • ton (long)/cubic yard
  • ton (short)/cubic yard

Electric Conductance

  • Quantized Hall conductance
  • abmho
  • ampere/volt
  • gemmho
  • kilosiemens
  • megasiemens
  • mho
  • micromho
  • microsiemens
  • millisiemens
  • siemens
  • statmho

Electric Conductivity

  • abmho/centimeter
  • abmho/meter
  • mho/centimeter
  • mho/meter
  • picosiemens/meter
  • siemens/meter
  • statmho/centimeter
  • statmho/meter

Electric Field Strength

  • abvolt/centimeter
  • kilovolt/centimeter
  • kilovolt/inch
  • kilovolt/meter
  • microvolt/meter
  • millivolt/meter
  • newton/coulomb
  • statvolt/centimeter
  • statvolt/inch
  • volt/centimeter
  • volt/inch
  • volt/meter
  • volt/mil

Electric Potential

  • EMU of electric potential
  • ESU of electric potential
  • abvolt
  • statvolt
  • volt
  • watt/ampere

Electric Resistance

  • EMU of resistance
  • ESU of resistance
  • Quantized Hall resistance
  • abohm
  • megohm
  • microhm
  • ohm
  • reciprocal siemens
  • statohm
  • volt/ampere

Electric Resistivity

  • abohm centimeter
  • circular mil ohm/foot
  • microhm centimeter
  • microhm inch
  • ohm centimeter
  • ohm inch
  • ohm meter
  • statohm centimeter

Electrostatic Capacitance

  • EMU of capacitance
  • ESU of capacitance
  • abfarad
  • attofarad
  • centifarad
  • coulomb/volt
  • decifarad
  • dekafarad
  • exafarad
  • farad
  • femtofarad
  • gigafarad
  • hectofarad
  • kilofarad
  • megafarad
  • microfarad
  • millifarad
  • nanofarad
  • petafarad
  • picofarad
  • statfarad
  • terafarad

Energy

  • British Thermal Unit
  • Calorie
  • Million BTU
  • barrel of oil
  • calorie
  • electronvolt
  • erg
  • foot-pound
  • joule
  • kilocalorie
  • kilogram of TNT
  • kilojoule
  • kilowatt hour
  • megacalorie
  • megajoule
  • meter kilogram
  • quad
  • therm
  • ton of TNT
  • ton of coal
  • ton of oil
  • tonne (metric) of TNT
  • watt hour
  • watt second

Flow

  • US gallon per day
  • US gallon per hour
  • US gallon per minute
  • US gallon per second
  • US gallon per year
  • cubic foot per day
  • cubic foot per hour
  • cubic foot per minute
  • cubic foot per second
  • cubic foot per year
  • cubic meter per day
  • cubic meter per hour
  • cubic meter per minute
  • cubic meter per second
  • cubic meter per year
  • liter per day
  • liter per hour
  • liter per minute
  • liter per second
  • liter per year

Flow Mass

  • centigram/second
  • decigram/second
  • dekagram/second
  • exagram/second
  • gigagram/second
  • gram/day
  • gram/hour
  • gram/minute
  • gram/second
  • hectogram/second
  • kilogram/day
  • kilogram/hour
  • kilogram/minute
  • kilogram/second
  • megagram/second
  • microgram/second
  • milligram/day
  • milligram/hour
  • milligram/minute
  • milligram/second
  • petagram/second
  • pound/day
  • pound/hour
  • pound/minute
  • pound/second
  • teragram/second
  • ton (metric)/day
  • ton (metric)/hour
  • ton (metric)/minute
  • ton (metric)/second
  • ton (short)/hour

Flow Molar

  • attomol/second
  • centimol/second
  • decimol/second
  • dekamol/second
  • examol/second
  • femtomol/second
  • gigamol/second
  • hectomol/second
  • kilomol/day
  • kilomol/hour
  • kilomol/minute
  • kilomol/second
  • megamol/second
  • micromol/second
  • millimol/day
  • millimol/hour
  • millimol/minute
  • millimol/second
  • mol/day
  • mol/hour
  • mol/minute
  • mol/second
  • nanomol/second
  • petamol/second
  • picomol/second
  • teramol/second

Force

  • attonewton
  • centinewton
  • decinewton
  • dekanewton
  • dyne
  • exanewton
  • femtonewton
  • giganewton
  • gram-force
  • hectonewton
  • joule/centimeter
  • joule/meter
  • kilogram-force
  • kilonewton
  • kilopond
  • kilopound-force
  • kip-force
  • meganewton
  • micronewton
  • millinewton
  • nanonewton
  • newton
  • ounce-force
  • petanewton
  • piconewton
  • pond
  • pound foot/square second
  • pound-force
  • poundal
  • teranewton
  • ton-force (long)
  • ton-force (metric)
  • ton-force (short)

Fractions and Percent

  • baker's dozen
  • dozen
  • duet
  • gross
  • half
  • half-dozen
  • millimole
  • mircomole
  • mole
  • octet
  • one eights
  • one fifth
  • one forth
  • one ninth
  • one seventh
  • one sixth
  • one sixth
  • one tenth
  • one third
  • pair
  • parts per billion
  • parts per million
  • percent
  • permille
  • quartet
  • quintet
  • septet
  • sextet
  • solo
  • trio
  • unit

Fuel Consumption

  • gallons(UK) per 100 km
  • gallons(UK) per 100 miles
  • gallons(US) per 100 km
  • gallons(US) per 100 miles
  • kilometers per gallon (UK)
  • kilometers per gallon (US)
  • km per liter
  • litres per 100 km
  • litres per 100 miles
  • miles per gallon (UK)
  • miles per gallon (US)
  • miles per liter

Heat Density

  • Btu (IT)/square foot
  • Btu (th)/square foot
  • calorie (th)/square centimeter
  • joule/square meter
  • langley

Heat Flux Density

  • Btu (IT)/hour/square foot
  • Btu (IT)/minute/square foot
  • Btu (IT)/second/square foot
  • Btu (th)/hour/square foot
  • Btu (th)/minute/square foot
  • Btu (th)/second/square foot
  • Btu (th)/second/square inch
  • CHU/hour/square foot
  • calorie (IT)/hour/square centimeter
  • calorie (IT)/minute/square centimeter
  • calorie (IT)/second/square centimeter
  • calorie (th)/hour/square centimeter
  • calorie (th)/minute/square centimeter
  • calorie (th)/second/square centimeter
  • dyne/hour/centimeter
  • erg/hour/square millimeter
  • foot pound/minute/square foot
  • horsepower (metric)/square foot
  • horsepower/square foot
  • joule/second/square meter
  • kilocalorie (IT)/hour/square foot
  • kilocalorie (IT)/hour/square meter
  • kilowatt/square meter
  • watt/square centimeter
  • watt/square inch
  • watt/square meter

Heat Transfer Coefficient

  • Btu (IT)/hour/square foot/°F
  • Btu (IT)/second/square foot/°F
  • Btu (th)/hour/square foot/°F
  • Btu (th)/second/square foot/°F
  • CHU/hour/square foot/°C
  • calorie (IT)/second/square centimeter/°C
  • joule/second/square meter/K
  • kilocalorie (IT)/hour/square foot/°C
  • kilocalorie (IT)/hour/square meter/°C
  • watt/square meter/K
  • watt/square meter/°C

Illuminance

  • candela steradian/square meter
  • centimeter-candle
  • flame
  • foot-candle
  • lumen/square centimeter
  • lumen/square foot
  • lumen/square meter
  • lux
  • meter-candle
  • nox
  • phot
  • watt/cm² (at 555 nm)

Inductance

  • EMU of inductance
  • ESU of inductance
  • abhenry
  • attohenry
  • centihenry
  • decihenry
  • dekahenry
  • exahenry
  • femtohenry
  • gigahenry
  • hectohenry
  • henry
  • kilohenry
  • megahenry
  • microhenry
  • millihenry
  • nanohenry
  • petahenry
  • picohenry
  • stathenry
  • terahenry
  • weber/ampere

Kitchen

  • coffee-spoon
  • cubic inch
  • cup(US)
  • dash
  • deciliter
  • dram
  • drop
  • gram
  • liter
  • milliliter
  • ounce US(liquid)
  • ounce UK(liquid)
  • pinch
  • pint
  • quart (UK)
  • quart (US, liquid)
  • tablespoon UK
  • tablespoon US
  • teaspoon UK
  • teaspoon US

Length and Distance

  • akt
  • arpent
  • arshin
  • astronomical unit
  • bu(步)
  • cable
  • centimeter
  • chain
  • chi(市尺)
  • chō(町)
  • cicero
  • cubit (Ancient Roman)
  • cubit (Biblical)
  • cun(市寸)
  • decimeter
  • decimpeda
  • digit
  • etzbah
  • fathom
  • fen(市分)
  • foot
  • foot-inch
  • furlong
  • hand
  • handbreadth
  • hao(毫)
  • hu(忽)
  • inch
  • jō(丈)
  • kabiet
  • kairi(海里)
  • ken(間)
  • keub
  • kilometer
  • kosaya sazhen
  • league
  • legua
  • li(市厘)
  • li(市里)
  • lieue commune
  • lieue de post
  • lieue marine
  • lieue metrique
  • light minute
  • light second
  • light year
  • ligne
  • line
  • linea
  • link
  • makhovaya sazhen
  • meter
  • mezhevaya versta
  • micron
  • mil
  • mile(Int)
  • millarium
  • millimeter
  • milya
  • mon
  • nanometer
  • nautical mile(Int)
  • nautical mile(UK)
  • nautical mile(US)
  • nieu
  • ounce (inch)
  • pace
  • parsec
  • paso
  • ped (foot) legal
  • ped ordinary
  • perch
  • perche
  • pica
  • pica Postscript
  • pie
  • pied-foot
  • pixel
  • point (ATA)
  • point (Didot)
  • point Postscript
  • pouce-inch
  • pulgada
  • punto
  • pyad
  • red shift
  • ri(里)
  • rod(Int)
  • sawk
  • sazhen
  • sea league
  • sen
  • shaku(尺)
  • short cable
  • si(丝)
  • span
  • stadium attic
  • stadium olympic
  • stadium ptolemey
  • sun(寸)
  • thousand of orgium
  • toise
  • twip
  • vara
  • vershok
  • versta
  • wah
  • yard
  • yin(引)
  • yote
  • zhang(市丈)
  • ångström

Linear Charge Density

  • abcoulomb/centimeter
  • abcoulomb/inch
  • abcoulomb/meter
  • coulomb/centimeter
  • coulomb/inch
  • coulomb/meter

Linear Current Density

  • abampere/centimeter
  • abampere/inch
  • abampere/meter
  • ampere/centimeter
  • ampere/inch
  • ampere/meter
  • gilbert/centimeter
  • oersted

Luminance

  • apostilb
  • blondel
  • bril
  • candela/square centimeter
  • candela/square foot
  • candela/square inch
  • candela/square meter
  • foot-lambert
  • kilocandela/square meter
  • lambert
  • lumen/cm²/steradian
  • lumen/ft²/steradian
  • lumen/m²/steradian
  • millilambert
  • millinit
  • nit
  • skot
  • stilb
  • watt/cm²/steradian (at 555 nm)

Magnetic Field Strength

  • ampere turn/meter
  • ampere/meter
  • kiloampere/meter
  • oersted

Magnetic Flux

  • Magnetic flux quantum
  • gauss square centimeter
  • kiloline
  • line
  • maxwell
  • megaline
  • microweber
  • milliweber
  • tesla square centimeter
  • tesla square meter
  • unit pole
  • volt second
  • weber

Magnetic Flux Density

  • gamma
  • gauss
  • line/square centimeter
  • line/square inch
  • maxwell/square centimeter
  • maxwell/square inch
  • maxwell/square meter
  • tesla
  • weber/square centimeter
  • weber/square inch
  • weber/square meter

Magnetomotive Force

  • abampere turn
  • ampere turn
  • gilbert
  • kiloampere turn
  • milliampere turn

Mass Flux Density

  • gram/second/square centimeter
  • gram/second/square meter
  • kilogram/hour/square foot
  • kilogram/hour/square meter
  • kilogram/second/square meter
  • pound/hour/square foot
  • pound/second/square foot

Mass and Weight

  • atomic mass unit
  • baht (tical)
  • beka
  • berkovets
  • candareen (Troy)
  • candareen (fan)
  • carat
  • carat(metric)
  • catty (kan)
  • centner
  • centumpondus
  • chang (kati)
  • dan
  • denarium
  • diobol
  • doite
  • dolya
  • doppelzentner
  • dram
  • dram (Ancient Greek)
  • duella
  • fen
  • gerah
  • grain
  • gram
  • halk
  • hao
  • hap (pikul)
  • hu
  • hundredweight long
  • hundredweight short
  • jin
  • kann
  • kilogram
  • kilonewton
  • kilotonne
  • kinn
  • koku
  • li
  • liang
  • livre
  • long ton
  • lot
  • mace (Troy)
  • mace (tsin)
  • meen
  • microgram
  • milliaresium
  • milligram
  • mina
  • mine
  • mite
  • mithqal
  • monnme
  • nakhud
  • newton
  • obol
  • ounce
  • ounce (Troy)
  • pennyweight
  • pfund
  • picul (tam)
  • pim
  • pondus (libra)
  • pood
  • pound
  • pound (Troy)
  • qian
  • quintal
  • scruple
  • semiounce
  • shekel
  • short ton
  • si
  • sicilicus
  • solid
  • stone
  • tael
  • tael (Troy)
  • tael (leung)
  • talent
  • talent (Biblical)
  • tamlung
  • tetradram
  • tonne
  • zentner
  • zolotnik

Moment of Inertia

  • gram square centimeter
  • gram square millimeter
  • kilogram square centimeter
  • kilogram square meter
  • kilogram square millimeter
  • kilogram-force centimeter square second
  • kilogram-force meter square second
  • ounce square inch
  • ounce-force inch square second
  • pound square foot
  • pound square inch
  • pound-force foot square second
  • pound-force inch square second
  • slug square foot

Permeability

  • kilogram/pascal/second/square meter
  • permeability (0°C)
  • permeability (23°C)
  • permeability inches (0°C)
  • permeability inches (23°C)

Power

  • BTU per hour
  • BTU per minute
  • BTU per second
  • calories per hour
  • calories per second
  • erg per second
  • foot pound-force per second
  • horsepower
  • horsepower(boiler)
  • horsepower(electric)
  • horsepower(metric)
  • joule per hour
  • joule per second
  • kilogramm-force meter per second
  • kilowatt
  • megawatt
  • poncelet
  • watt

Prefixes

  • atto
  • centi
  • deci
  • deka
  • exa
  • exbi
  • femto
  • gibi
  • giga
  • hecto
  • kibi
  • kilo
  • mebi
  • mega
  • micro
  • milli
  • nano
  • none
  • pebi
  • peta
  • pico
  • tebi
  • tera
  • yocto
  • yotta
  • zepto
  • zetta

Pressure and Stress

  • atmosphere(physical)
  • atmosphere(technical)
  • bar
  • centimeter of mercury
  • centimeter of water(at 39.2°F, 4°C)
  • foot of water(at 39.2°F, 4°C)
  • hectopascal
  • inch of mercury
  • inch of water(at 39.2°F, 4°C)
  • kilogram per square centimeter
  • kilogram per square meter
  • kilopascal
  • megapascal
  • meter of water(at 39.2°F, 4°C)
  • millibar
  • millimeter of mercury
  • millimeter of water(at 39.2°F, 4°C)
  • newton per square centimeter
  • newton per square meter
  • newton per square millimeter
  • pascal
  • pound per square foot
  • pound per square inch
  • ton per square foot
  • ton per square inch
  • torr

Radiation Absorbed Dose

  • attogray
  • centigray
  • decigray
  • dekagray
  • exagray
  • femtogray
  • gigagray
  • gray
  • hectogray
  • joule/centigram
  • joule/gram
  • joule/kilogram
  • joule/milligram
  • kilogray
  • megagray
  • microgray
  • milligray
  • millirad
  • nanogray
  • petagray
  • picogray
  • rad
  • teragray

Radiation Activity

  • becquerel
  • curie
  • disintegrations/minute
  • disintegrations/second
  • gigabecquerel
  • kilobecquerel
  • kilocurie
  • megabecquerel
  • microcurie
  • millibecquerel
  • millicurie
  • nanocurie
  • one/second
  • picocurie
  • rutherford
  • terabecquerel

Radiation Exposure

  • coulomb/kilogram
  • microcoulomb/kilogram
  • millicoulomb/kilogram
  • parker
  • rep
  • röntgen
  • tissue roentgen

Sound

  • bel
  • decibel
  • neper

Speed

  • beaufort
  • foot per minute
  • foot per second
  • kilometer per hour
  • kilometer per second
  • knot
  • meter per minute
  • meter per second
  • mile per hour
  • mile per second
  • minute per kilometer
  • minute per mile
  • sea mile per hour
  • second per 100 metres
  • second per 100 yards
  • second per kilometer
  • second per mile
  • speed of light(vacuum)
  • speed of sound(air)

Surface Charge Density

  • abcoulomb/square centimeter
  • abcoulomb/square inch
  • abcoulomb/square meter
  • coulomb/square centimeter
  • coulomb/square inch
  • coulomb/square meter

Surface Current Density

  • abampere/square centimeter
  • ampere/cicular mil
  • ampere/square centimeter
  • ampere/square inch
  • ampere/square meter
  • ampere/square mil

Surface Tension

  • dyne/centimeter
  • erg/square centimeter
  • erg/square millimeter
  • gram-force/centimeter
  • millinewnon/meter
  • newton/meter
  • pound-force/inch
  • poundal/inch

Temperature

  • Celsius
  • Fahrenheit
  • Gas Mark
  • Kelvin
  • Rankine
  • Réaumur

Thermal Conductivity

  • Btu (IT) foot/hour/square foot/°F
  • Btu (IT) inch/hour/square foot/°F
  • Btu (IT) inch/second/square foot/°F
  • Btu (th) foot/hour/square foot/°F
  • Btu (th) inch/hour/square foot/°F
  • Btu (th) inch/second/square foot/°F
  • calorie (IT)/second/centimeter/°C
  • calorie (th)/second/centimeter/°C
  • kilocalorie (IT)/hour/meter/°C
  • kilocalorie (th)/hour/meter/°C
  • kilowatt/meter/K
  • watt/centimeter/°C
  • watt/meter/K

Thermal Expansion

  • length/length/kelvin
  • length/length/°C
  • length/length/°F
  • length/length/°R
  • length/length/°Ré

Thermal Resistance

  • kelvin/watt
  • °F hour/Btu (IT)
  • °F hour/Btu (th)
  • °F second/Btu (IT)
  • °F second/Btu (th)

Time

  • anomalistic month
  • anomalistic year
  • day
  • dracontic month
  • dracontic year
  • hour
  • microsecond
  • millisecond
  • minute
  • month(30 days)
  • nanosecond
  • second
  • syderic month
  • syderic year
  • synodic month
  • tropic year
  • week
  • year
  • year(leap)

Torque

  • centimeter-gram force
  • centimeter-kilogram force
  • dyne centimeter
  • dyne meter
  • dyne millimeter
  • foot-ounce force
  • foot-pound force
  • inch-ounce force
  • inch-pound force
  • kilonewton meter
  • meter-kilogram force
  • micronewton meter
  • millimeter-kilogram force
  • millinewton meter
  • newton centimeter
  • newton meter
  • newton millimeter
  • poundal foot
  • poundal inch
  • ton-force (long) meter
  • ton-force (metric) meter
  • ton-force (short) meter

Viscosity Dynamic

  • attopoise
  • centipoise
  • decipoise
  • dekapoise
  • dyne second/square centimeter
  • exapoise
  • femtopoise
  • gigapoise
  • gram/centimeter/second
  • hectopoise
  • kilogram-force second/square meter
  • kilopoise
  • megapoise
  • micropoise
  • millinewton second/square meter
  • millipoise
  • nanopoise
  • newton second/square meter
  • pascal second
  • petapoise
  • picopoise
  • poise
  • pound-force second/square foot
  • pound-force second/square inch
  • pound/foot/hour
  • pound/foot/second
  • poundal second/square foot
  • slug/foot/second
  • terapoise

Viscosity Kinematic

  • attostokes
  • centistokes
  • decistokes
  • dekastokes
  • exastokes
  • femtostokes
  • gigastokes
  • hectostokes
  • kilostokes
  • megastokes
  • microstokes
  • millistokes
  • nanostokes
  • petastokes
  • picostokes
  • square centimeter/second
  • square foot/hour
  • square foot/second
  • square inch/second
  • square meter/hour
  • square meter/second
  • square millimeter/second
  • stokes
  • terastokes

Volume Charge Density

  • abcoulomb/cubic centimeter
  • abcoulomb/cubic inch
  • abcoulomb/cubic meter
  • coulomb/cubic centimeter
  • coulomb/cubic inch
  • coulomb/cubic meter