Our powerful and flexible conversion calculator will help you to quickly convert between metric and imperial values for length, area, volume, and weight.

Conversion Factor

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

 

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