Area Conversion

sq. mile acres_____ sq. yard sq. foot sq. km hectares ares sq. m sq. dm sq. cm sq. mm► sq. mile acres sq. yard_ sq. foot sq. km hectares ares sq. m sq. dm sq. cm sq. mm

Mass Conversion

ton cwt lb. US ton quarters___ stone oz. drams grains tonne kg g mg►   ton cwt lb. US ton quarters__ stone oz. drams grains tonne kg g mg

Volume Conversion

gallons quarts pints gills fl. oz. fl. drachms_ US gal US pint cu. yard cu. feet cu. inches cu. m litres cu. dm cc ml► gallons quarts pints gills fl. oz. fl. drachms US gal US pint cu. yard cu. feet cu. inches cu. m litres cu. dm cc ml

Length Conversion

miles furlongs___ chains rods yards feet inches km hm m dm cm mm► miles furlongs___ chains rods yards feet inches km hm m dm cm mm

Velocity Conversion

miles /hour centimeters /sec feet /hour feet /min feet /sec kilometers /hour knots meters /min meters /sec miles /min ►   miles /hour centimeters /sec feet /hour feet /min feet /sec kilometers /hour knots meters /min meters /sec miles /min

Force Conversion

newtons crinals dynes grains kilograms (force) kilograms m/s2 kips ounces (force) pounds poundals slug tons (long) ►   newtons crinals dynes grains kilograms (force) kilograms m/s2 kips ounces (force) pounds poundals slug tons (long)

Flowrate Conversion

gallons /min barrels /day cubic cm /sec cubic inches /sec cubic inches /min cubic feet /min cubic feet /sec cubic meter /hour cubic yards /min gallons /day gallons /sec liters /min liters /sec miner's inches ►   gallons /min barrels /day cubic cm /sec cubic inches /sec cubic inches /min cubic feet /min cubic feet /sec cubic meter /hour cubic yards /min gallons /day gallons /sec liters /min liters /sec miner's inches

Energy Conversion

BTU calories(IST) calories(thermo) cubic cm-atm foot-lbf gram-cal horsepower-hr(US) inch-lbf kg-cal kilowatt-hr pound-CHU watt-hr joules kilocalories ►   BTU calories(IST) calories(thermo) cubic cm-atm foot-lbf gram-cal horsepower-hr(US) inch-lbf kg-cal kilowatt-hr pound-CHU watt-hr joules kilocalories

Power Conversion

watts BTU /hr BTU /min BTU /sec foot-lbf /hr foot-lbf /min foot-lbf /sec gigawatts joules /sec horsepower (metric) kilowatts megawatts tons (refrigeration) ergs /sec ►   watts BTU /hr BTU /min BTU /sec foot-lbf /hr foot-lbf /min foot-lbf /sec gigawatts joules /sec horsepower (metric) kilowatts megawatts tons (refrigeration) ergs /sec

Pressure Conversion

pascals bars baryes inches H2O (15.56 °C) inches Hg (15.56 °C) kilogram (force) /cm2 kilogram (force) /m2 kilopascals megapascals pounds /ft2 pounds /in2 poundals /in2 poundals /ft2 tons (short) /ft2 torrs ►   pascals bars baryes inches H2O (15.56 °C) inches Hg (15.56 °C) kilogram (force) /cm2 kilogram (force) /m2 kilopascals megapascals pounds /ft2 pounds /in2 poundals /in2 poundals /ft2 tons (short) /ft2 torrs