:: Conversion Tables :: All Pro Roofing & SheetMetal Ltd. ::

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Convert volume (capacity), weight, length, area, temperature, velocity (speed), 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

Liter (l) = Cubic dm (dm³)

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)

Troy weight (Precious metals and stones)

Pound (lb t)

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)

Astronomy

Astronomic unit (ua)
Older symbol AU

Light-year (ly)

Parsec (pc)
From "parallax second"

U.S. and Imperial Length Measure

Mile (mi)

Furlong (fur)

Yard (yd)

Foot (ft)

Inch (in)

Mil

Nautical Length Measure

Nautical mile (nmi)

Fathom

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)

Velocity (speed)

SI (Metric)

kilometers per hour (km/h)

kilometers per second (km/s)

meters per second (m/s)

Nautial units

Knots (kt = nm/h)

U.S./Imperial

Miles per hour (mph)

Feet per minute (ft/min)

Feet per second (ft/s)

Astronomy

Lightspeed (c)

Pressure

SI (Metric)

Bar (bar)

kilopascal (kPa)

hectopascal (hPa)

millibar (mbar)

Pascal (Pa = N/m²)

Atmosphere (atm)

Millimeters mercury (mm Hg = Torr)

U.S.and Imperial

Pound per square foot (lb/ft²)
More correct: lbf/ft² (pound force)

Pound per square inch (lb/in² = PSI)
More correct: lbf/in² (pound force)

Inches mercury (in Hg)

Other pressure units

kg/cm²
Should be: kp/cm² = kgf/cm² = 9.80665 N/cm²

kg/m²
Should be: kp/m² = kgf/m² = 9.80665 Pa

The conversion factor 1 lb/in² = 6894.757 Pa has been used.

Torque

SI (Metric)

kilonewtonmeter

newtonmeter (Nm = J = kgm²/s²)

millinewtonmeter

U.S. and Imperial

Foot-pound (Lbft)
More correct: lbf.ft (pound force)

Foot-inch (Lbin)
More correct: lbf.in (pound force)

Other units

kilogram-meter (kgm)
Should be: kpm or kgfm

Power

SI (Metric)

terawatt (TW)

gigawatt (GW)

megawatt (MW)

kilowatt (kW)

watt (W = J/s)

milliwatt (mW)

Horsepower

Horsepower (hp)
US hp (550 lbf.ft/s)

Horsepower (hp)
"Metric" hp (735.5 W)

Horsepower (hp)
"Electric" hp (746 W)

U.S. and Imperial

Pound-foot per second (Lbft/s)
More correct: lbf.ft/s (pound force)

BTU per hour (BTU/h)
Slightly different definitions of BTU exist

BTU per second (BTU/s)
Slightly different definitions of BTU exist

Energy

SI (Metric)

terawatthours (TWh)

gigawatthours (GWh)

megawatthours (MWh)

kilowatthours (kWh)

watthours (Wh)

megajoule (MJ)

kilojoule (kJ)

joule (J = Ws)

millijoule (mJ)

U.S. and Imperial

Therm (therm = 100,000 BTU)
Slightly different definitions of BTU exist

British Thermal Unit (BTU)
Slightly different definitions of BTU exist

Other units

kilocalorie (kcal)
Called "Calorie" when working with food

calorie (cal)
Slightly different definitions of cal exist

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