Convert between U.S./Imperial and SI (Metric) units

Convert between U.S./Imperial and SI (Metric) units:
Volume (capacity) Weight Length Area
Temperature Velocity (speed) Fuel economy Pressure
Torque Power Energy  

Several units per page:
This page:  Convert volume (capacity),
weight, length,
area and temperature
measures between U.S./Imperial and SI (Metric) units.
Page 2 Convert
velocity (speed),
fuel economy,
pressure,
torque,
power and
energy
measures between U.S./Imperial and SI (Metric) units.

Type your value in a box, click the

button next to that box, and all unit conversions
in the same category will be calculated.

Volume (capacity)

SI (Metric)
Cubic meter (m3)
hectoliter (hl)
Used when reporting wine production
dekaliter (dal)
Almost never used
Cubic dm (dm3) = liter (l)
deciliter (dl)
centiliter (cl)
Cubic cm (cm3)
  = milliliter (ml)
Cubic millimeter (mm3)

U.S. Dry Measure
Barrel (bbl)
Bushel (bu)
Peck (pk)
Quart (qt)
Pint (pt)

British Imperial Liquid And Dry
Barrel
Bushel (bu)
Gallon (gal)
Pint (pt)
Fluid Ounce (fl oz)
“Metric Cooking Measure”
Table spoon
Tea spoon

U.S. Cooking Measure
Cup
Table spoon (Tbs)
Tea spoon (tsp)

U.S. Liquid Measure
Barrel [42 gal]
Other barrel sizes exist
Gallon (gal)
Quart (qt)
Pint (pt)
Gill (gi)
Fluid Ounce (fl oz)
Fluid dram (fl dr)
Minim (min)

U.S. and Imperial Cubic Measure
Acre foot
Cubic yard (yd3 = cu yd)
Cubic foot (ft3 = cu ft)
Cubic inch (in3 = cu in)

Weights

SI (Metric)
ton
kilogram (kg)
gram (g)
milligram (mg)
microgram (μg)

Troy weight (Precious metals and stones)
Troy pound (lb t)
Troy ounce (oz t)
PennyWeight (dwt)
Grain
Same as Avoirdupois grain
Avoirdupois weight
British (“long”) ton
US (“short”) ton
British (“long”) hundredweight (cwt)
US (“short”) hundredweight (cwt)
Stone
Pound (lb)
Ounce (oz)
Dram (dr)
Grain

Length

SI (Metric)
kilometer (km)
meter (m)
decimeter (dm)
Almost never used
centimeter (cm)
millimeter (mm)
micrometer (μm)

Nautical Length Measure
Nautical mile (nmi)
Fathom
U.S. and Imperial Length Measure
Mile (mi)
Furlong (fur)
Yard (yd)
Foot (ft)
Inch (in)
Mil [1/1000 inch]

Astronomy
Astronomic unit (ua)
Older symbol AU
Light-year (ly)
Parsec (pc)
From “parallax second”

Area

SI (Metric)
Square kilometer (km2)
hectare (ha)
Used about farm areas
are (a)
Almost never used
Square meter (m2)
Square decimeter (dm2)
Almost never used
Square centimeter (cm2)
Square millimeter (mm2)
U.S.and Imperial Area Measure
Mile square (sq mi)
Acre
Square rod (sq rd)
Square yard (sq yd)
Square foot (sq ft)
Square inch (sq in)

Temperature

SI (Metric)
Degrees Celcius (C)
kelvin (K)
U.S. and Imperial
Degrees Fahrenheit (F)


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