Reference Material - Conversion Factors
| Inches to Millimetres | multiply by 25.4 |
| Inches to Centimetres | multiply by 2.54 |
| Feet to Centimetres | multiply by 30.48 |
| Feet to Metres | multiply by 0.3048 |
| Yards to Metres | multiply by 0.9144 |
| Miles to Metres | multiply by 1,609.3 |
| Miles to Kilometres | multiply by 1.609 |
| Nautical Miles to Metres | multiply by 1,853.27 |
| Sq. Inches to Sq. Millimetres | multiply by 645.160 |
| Sq. Inches to Sq. Centimetres | multiply by 6.452 |
| Sq. Feet to Sq. Metres | multiply by 0.0929 |
| Sq. Yards to Sq. Metres | multiply by 0.835 |
| Sq. Miles to Sq. Kilometres | multiply by 2.590 |
| Acres to Sq. Kilometres | multiply by 0.004047 |
| Acres to Hectares | multiply by 0.4047 |
| Cubic Inches to Cubic Centimetres | multiply by 16.36 |
| Cubic Feet to Cubic Metres | multiply by 0.03 |
| Cubic Yards to Cubic Metres | multiply by 0.76 |
| Cubic Inches to Litres | multiply by 0.01639 |
| Grains to Grammes | multiply by 0.648 |
| Ounces to Grammes | multiply by 28.35 |
| Pounds to Grammes | multiply by 453.6 |
| Pounds to Kilogrammes | multiply by 0.4536 |
| Cwt to Kilogrammes | multiply by 1,016 |
| Tons to Kilogrammes | multiply by 1.016 |
| Tons to Tonnes | multiply by 1.016 |
| Pints to Litres | multiply by 0.5682 |
| Imperial Gallons to Litres | multiply by 4.546 |
| Fahrenheit to Centigrade | minus 32 degrees multiply by 0.5555 |
| Millimetres to Inches | multiply by 0.03937 |
| Centimetres to Inches | multiply by 0.3937 |
| Centimetres to Feet | multiply by 0.0328 |
| Metres to Feet | multiply by 3.281 |
| Metres to Yards | multiply by 1.094 |
| Metres to Miles | multiply by 0.000621 |
| Kilometres to Miles | multiply by 0.6214 |
| Metres to Nautical Miles | multiply by 0.000539 |
| Sq. Millimetres to Sq. Inches | multiply by 0.001550 |
| Sq. Centimetres to Sq. Inches | multiply by 0.155 |
| Sq. Metres to Sq. Feet | multiply by 10.764 |
| Sq. Metres to Sq. Yards | multiply by 1.196 |
| Sq. Kilometres to Sq. Miles | multiply by 0.3861 |
| Sq. Kilometres to Acres | multiply by 247.1 |
| Hectares to Acres | multiply by 2.471 |
| Cubic Centimetres to Cubic Inches | multiply by 0.061 |
| Cubic Metres to Cubic Feet | multiply by 35.3 |
| Cubic Metres to Cubic Yards | multiply by 1.316 |
| Litres to Cubic Inches | multiply by 61.03 |
| Grammes to Grains | multiply by 15.43 |
| Grammes to Ounces | multiply by 0.03527 |
| Grammes to Pounds | multiply by 0.002205 |
| Kilogrammes to Pounds | multiply by 2.205 |
| Kilogrammes to Cwt | multiply by 0.01968 |
| Kilogrammes to Tons | multiply by 0.0009842 |
| Tonnes to Tons | multiply by 0.9842 |
| Litres to Pints | multiply by 1.76 |
| Litres to Imperial Gallons | multiply by 0.22 |
| Centigrade to Fahrenheit | multiply by 1.8 add 32 degrees |
