Property

Conversion



Length


Miles to Kilometres

Multiply by 1.609

Yards to Metres

Multiply by 0.914

Feet to Metres

Multiply by 0.305

Inches to millimetres

Multiply by 25.4



Area


Square miles to Square kilometres

Multiply by 2.59

Square miles to Hectares

Multiply by 258.999

Acres to Square metres

Multiply by 4046.86

Square yards to Square metres

Multiply by 0.836

Square feet to Square metres

Multiply by 0.093



Volume


Cubic yards to Cubic metres

Multiply by 0.764

Cubic feet to Cubic metres

Multiply by 0.028



Capacity


Gallons to Litres

Multiply by 4.546

U.S. Gallons to Litres

Multiply by 3.785



Acceleration


Feet/Sec/Sec to Metres/Sec/Sec

Multiply by 0.305



Velocity


Miles/Hour to Kilometres/Hour

Multiply by 1.609

Feet/Sec to Metres/Sec

Multiply by 0.305



Mass


Tons to Kilogrammes

Multiply by 1016.05

Hundredweights to Kilogrammes

Multiply by 50.802

Pounds to Kilograms

Multiply by 0.453



Fuel consumption


Gallons / Mile to Litres / Kilometre

Multiply by 2.825

Miles / Gallon to Kilometres /Litre

Multiply by 0.354



Energy


Therms to Megajoules

Multiply by 105.506

British Thermal Units to Kilojoules

Multiply by 1.055

Kilowatthours to Megajoules

Multiply by 3.6



Power


Horsepower to Kilowatts

Multiply by 0.746
