Length

Multiply by

 Inches to Centimetres

 2.54

 Centimetres to Inches

 0.39

 Inches to Millimetres

 25.40

 Millimetres to Inches

 0.04

 Feet to Metres

 0.31

 Metres to Feet

 3.28

 Yards to Metres

 0.91

 Metres to Yards

 1.09

 Miles to Kilometres

 1.61

 Kilometres to Miles

 0.62

 Area

Multiply by

 Square Inches to Square Centimetres

 6.451

 Square Centimetres to Square Inches

 0.15

 Square Feet to Square Metres

 0.09

 Square Metres to Square Feet

 10.76

 Square Yards to Square Metres

 0.84

 Square Metres to Square Yards

 1.20

 Square Miles to Square Kilometres

 2.59

 Square Kilometres to Square Miles

 0.39

 Acres to Hectares

 0.40

 Hectares to Acres

 2.47

 Volume

Multiply by

 Cubic Inches to Cubic Centimetres

 16.39

 Cubic Centimetres to Cubic Inches

 0.06

 Cubic Feet to Cubic Metres

 0.03

 Cubic Metres to Cubic Feet

 35.32

 Cubic Yards to Cubic Metres

 0.76

 Cubic Metres to Cubic Yards

 1.31

 Cubic Inches to Litres

 0.02

 Litres to Cubic Inches

 61.03

 Gallons to Litres

 4.55

 Litres to Gallons

 0.22

 US Gallons to Litres

 3.79

 Litres to US Gallons

 0.26

 Fluid Ounces to Cubic Millilitres

 30.77

 Cubic Millilitres to Fluid Ounces

 0.03

 Weight

Multiply by

 Ounces to Grams

 28.35

 Grams to Ounces

 0.04

 Pounds to Kilograms

 0.45

 Kilograms to Pounds

 2.21

 Long Tons to Tonnes

 1.02

 Tonnes to Long Tons

 0.98

 Short Tons to Tonnes

 0.91

 Tonnes to Short Tons

 1.10