* Note these are average dimensions and do vary slightly from container to container, the following should be taken as a guildline only.
Length Multiply
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
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