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A complete index of 1,298 conversion pages, organized by category and source unit. Each link opens its own calculator, formula, example, and table.
13 UNITS · 156 CONVERSION PAGES
Length
Meter (m)12 conversions
All meter equivalentsKilometer (km)12 conversions
All kilometer equivalentsCentimeter (cm)12 conversions
All centimeter equivalentsMillimeter (mm)12 conversions
All millimeter equivalentsDecimeter (dm)12 conversions
All decimeter equivalentsMicrometer (μm)12 conversions
All micrometer equivalentsNanometer (nm)12 conversions
All nanometer equivalentsInch (in)12 conversions
All inch equivalentsFoot (ft)12 conversions
All foot equivalentsYard (yd)12 conversions
All yard equivalentsMile (mi)12 conversions
All mile equivalentsNautical mile (nmi)12 conversions
All nautical mile equivalentsLight-year (ly)12 conversions
All light-year equivalents11 UNITS · 110 CONVERSION PAGES
Weight & mass
Kilogram (kg)10 conversions
All kilogram equivalentsGram (g)10 conversions
All gram equivalentsMilligram (mg)10 conversions
All milligram equivalentsMicrogram (μg)10 conversions
All microgram equivalentsMetric tonne (t)10 conversions
All metric tonne equivalentsPound (lb)10 conversions
All pound equivalentsOunce (oz)10 conversions
All ounce equivalentsCarat (ct)10 conversions
All carat equivalentsStone (st)10 conversions
All stone equivalentsUS short ton (ton (US))10 conversions
All us short ton equivalents6 UNITS · 30 CONVERSION PAGES
Temperature
Celsius (°C)5 conversions
All celsius equivalentsFahrenheit (°F)5 conversions
All fahrenheit equivalentsKelvin (K)5 conversions
All kelvin equivalentsRankine (°R)5 conversions
All rankine equivalentsRéaumur (°Ré)5 conversions
All réaumur equivalents10 UNITS · 90 CONVERSION PAGES
Area
Square meter (m²)9 conversions
All square meter equivalentsSquare kilometer (km²)9 conversions
All square kilometer equivalentsSquare centimeter (cm²)9 conversions
All square centimeter equivalentsSquare millimeter (mm²)9 conversions
All square millimeter equivalentsSquare foot (ft²)9 conversions
All square foot equivalentsSquare inch (in²)9 conversions
All square inch equivalentsSquare yard (yd²)9 conversions
All square yard equivalentsSquare mile (mi²)9 conversions
All square mile equivalentsHectare (ha)9 conversions
All hectare equivalents17 UNITS · 272 CONVERSION PAGES
Volume
Liter (L)16 conversions
All liter equivalentsMilliliter (mL)16 conversions
All milliliter equivalentsCubic meter (m³)16 conversions
All cubic meter equivalentsCubic centimeter (cm³)16 conversions
All cubic centimeter equivalentsCubic inch (in³)16 conversions
All cubic inch equivalentsCubic foot (ft³)16 conversions
All cubic foot equivalentsUS gallon (gal (US))16 conversions
All us gallon equivalentsUS quart (qt (US))16 conversions
All us quart equivalentsUS pint (pt (US))16 conversions
All us pint equivalentsUS fluid ounce (fl oz (US))16 conversions
All us fluid ounce equivalentsUS cup (cup (US))16 conversions
All us cup equivalentsUS tablespoon (tbsp (US))16 conversions
All us tablespoon equivalentsUS teaspoon (tsp (US))16 conversions
All us teaspoon equivalentsImperial gallon (gal (UK))16 conversions
All imperial gallon equivalentsImperial pint (pt (UK))16 conversions
All imperial pint equivalentsImperial fluid ounce (fl oz (UK))16 conversions
All imperial fluid ounce equivalentsMetric cup (cup (metric))16 conversions
All metric cup equivalents12 UNITS · 132 CONVERSION PAGES
Time
Nanosecond (ns)11 conversions
All nanosecond equivalentsMicrosecond (μs)11 conversions
All microsecond equivalentsMillisecond (ms)11 conversions
All millisecond equivalentsSecond (s)11 conversions
All second equivalentsMinute (min)11 conversions
All minute equivalentsHour (h)11 conversions
All hour equivalentsDay (d)11 conversions
All day equivalentsWeek (wk)11 conversions
All week equivalentsMonth (average) (mo)11 conversions
All month (average) equivalentsYear (Julian) (yr)11 conversions
All year (julian) equivalentsDecade (decade)11 conversions
All decade equivalents5 UNITS · 20 CONVERSION PAGES
Speed
Meter per second (m/s)4 conversions
All meter per second equivalentsKilometer per hour (km/h)4 conversions
All kilometer per hour equivalentsMile per hour (mph)4 conversions
All mile per hour equivalentsFoot per second (ft/s)4 conversions
All foot per second equivalents8 UNITS · 56 CONVERSION PAGES
Pressure
Pascal (Pa)7 conversions
All pascal equivalentsKilopascal (kPa)7 conversions
All kilopascal equivalentsMegapascal (MPa)7 conversions
All megapascal equivalentsBar (bar)7 conversions
All bar equivalentsMillibar (mbar)7 conversions
All millibar equivalentsPound per square inch (psi)7 conversions
All pound per square inch equivalentsStandard atmosphere (atm)7 conversions
All standard atmosphere equivalents9 UNITS · 72 CONVERSION PAGES
Energy
Joule (J)8 conversions
All joule equivalentsKilojoule (kJ)8 conversions
All kilojoule equivalentsMegajoule (MJ)8 conversions
All megajoule equivalentsCalorie (thermochemical) (cal)8 conversions
All calorie (thermochemical) equivalentsKilocalorie (kcal)8 conversions
All kilocalorie equivalentsWatt-hour (Wh)8 conversions
All watt-hour equivalentsKilowatt-hour (kWh)8 conversions
All kilowatt-hour equivalentsBTU (IT) (BTU)8 conversions
All btu (it) equivalents6 UNITS · 30 CONVERSION PAGES
Power
Watt (W)5 conversions
All watt equivalentsKilowatt (kW)5 conversions
All kilowatt equivalentsMegawatt (MW)5 conversions
All megawatt equivalentsMechanical horsepower (hp)5 conversions
All mechanical horsepower equivalentsMetric horsepower (PS)5 conversions
All metric horsepower equivalents6 UNITS · 30 CONVERSION PAGES
Force
Newton (N)5 conversions
All newton equivalentsKilonewton (kN)5 conversions
All kilonewton equivalentsPound-force (lbf)5 conversions
All pound-force equivalentsKilogram-force (kgf)5 conversions
All kilogram-force equivalentsDyne (dyn)5 conversions
All dyne equivalents6 UNITS · 30 CONVERSION PAGES
Angle
Degree (°)5 conversions
All degree equivalentsRadian (rad)5 conversions
All radian equivalentsGradian (gon)5 conversions
All gradian equivalentsTurn (turn)5 conversions
All turn equivalentsArcminute (′)5 conversions
All arcminute equivalents4 UNITS · 12 CONVERSION PAGES
Fuel consumption
Liter per 100 kilometers (L/100 km)3 conversions
All liter per 100 kilometers equivalentsMiles per US gallon (mpg (US))3 conversions
All miles per us gallon equivalentsMiles per imperial gallon (mpg (UK))3 conversions
All miles per imperial gallon equivalents10 UNITS · 90 CONVERSION PAGES
Data storage
Bit (b)9 conversions
All bit equivalentsByte (B)9 conversions
All byte equivalentsKilobyte (kB)9 conversions
All kilobyte equivalentsMegabyte (MB)9 conversions
All megabyte equivalentsGigabyte (GB)9 conversions
All gigabyte equivalentsTerabyte (TB)9 conversions
All terabyte equivalentsKibibyte (KiB)9 conversions
All kibibyte equivalentsMebibyte (MiB)9 conversions
All mebibyte equivalentsGibibyte (GiB)9 conversions
All gibibyte equivalents8 UNITS · 56 CONVERSION PAGES
Data transfer
Bit per second (bit/s)7 conversions
All bit per second equivalentsKilobit per second (kbit/s)7 conversions
All kilobit per second equivalentsMegabit per second (Mbit/s)7 conversions
All megabit per second equivalentsGigabit per second (Gbit/s)7 conversions
All gigabit per second equivalentsByte per second (B/s)7 conversions
All byte per second equivalentsKilobyte per second (kB/s)7 conversions
All kilobyte per second equivalentsMegabyte per second (MB/s)7 conversions
All megabyte per second equivalentsMebibyte per second (MiB/s)7 conversions
All mebibyte per second equivalents5 UNITS · 20 CONVERSION PAGES
Frequency
Hertz (Hz)4 conversions
All hertz equivalentsKilohertz (kHz)4 conversions
All kilohertz equivalentsMegahertz (MHz)4 conversions
All megahertz equivalentsGigahertz (GHz)4 conversions
All gigahertz equivalents6 UNITS · 30 CONVERSION PAGES
Density
Kilogram per cubic meter (kg/m³)5 conversions
All kilogram per cubic meter equivalentsGram per cubic centimeter (g/cm³)5 conversions
All gram per cubic centimeter equivalentsGram per milliliter (g/mL)5 conversions
All gram per milliliter equivalentsKilogram per liter (kg/L)5 conversions
All kilogram per liter equivalentsPound per cubic foot (lb/ft³)5 conversions
All pound per cubic foot equivalentsPound per cubic inch (lb/in³)5 conversions
All pound per cubic inch equivalents5 UNITS · 20 CONVERSION PAGES
Torque
Newton meter (N·m)4 conversions
All newton meter equivalentsKilonewton meter (kN·m)4 conversions
All kilonewton meter equivalentsPound-force foot (lbf·ft)4 conversions
All pound-force foot equivalentsPound-force inch (lbf·in)4 conversions
All pound-force inch equivalents4 UNITS · 12 CONVERSION PAGES
Acceleration
Meter per second squared (m/s²)3 conversions
All meter per second squared equivalentsFoot per second squared (ft/s²)3 conversions
All foot per second squared equivalentsStandard gravity (g₀)3 conversions
All standard gravity equivalents6 UNITS · 30 CONVERSION PAGES