Conversion Factors - Metric and Imperial Conversion Factors for Length, Area and Volume

Topics Covered

Imperial to Metric

Metric to Imperial

Imperial to Metric

From

To

Multiplier

Inches (in)

Millimetres (mm)

25.40

Inches (in)

Centimetres (cm)

2.54

Feet (ft)

Metres (m)

0.3048

Yards (yd)

Metres (m)

0.9144

Miles (mi)

Kilometres (km)

1.6093

Square Inches (in2)

Square Centimetres (cm2)

6.4516

Square Feet (ft2)

Square Metres (m2)

0.0929

Cubic Inches (in3)

Cubic Centimetres (cm3)

16.387

Cubic Feet (ft3)

Cubic Metres (m3)

0.0283

Gallons (gal)

Litres (l)

4.5459

Metric to Imperial

From

To

Multiplier

Millimetres (mm)

Inches (in)

0.0394

Centimetres (cm)

Inches (in)

0.3937

Metres (m)

Feet (ft)

3.2809

Metres (m)

Yards (yd)

1.0936

Kilometres (km)

Miles (mi)

0.6214

Square Centimetres (cm2)

Square Inches (in2)

0.1550

Square Metres (m2)

Square Feet (ft2)

10.7643

Cubic Centimetres (cm3)

Cubic Inches (in3)

0.0610

Cubic Metres (m3)

Cubic Feet (ft3)

35.3145

Litres (l)

Gallons (gal)

0.2200

 

Primary author: The Institute of Metals and Materials, Australasia.

Source: Engineering Materials Handbook, 5th Edition.

 

For more information on this source please visit The Institute of Metals and Materials, Australasia.

 

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