| Description | From Unit | To Units | Multiply by |
|---|---|---|---|
| Centigrade to Fahrenheit | °C | °F | multiply by 1.8 and add 32 |
| Centimetres to feet | cm | ft | 0.03280840 |
| Centimetres to inches | cm | in | 0.393701 |
| Fahrenheit to Centigrade | °F | °C | subtract 32 and multiply 0.5555 |
| Feet to centimetres | ft | cm | 30.48 |
| Feet to metres | ft | m | 0.3048 |
| Feet to millimetres | ft | mm | 304.8 |
| Inches to centimetres | in | cm | 2.540 |
| Inches to metres | in | m | 0.0254 |
| Inches to millimetres | in | mm | 25.4 |
| Kilogram to pounds | kg | lb | 2.205 |
| Kilograms to tons (long) | kg | ton | 0.0009842 |
| Kilometres to miles | km | mile | 0.62137 |
| Metres to inches | m | in | 39.37008 |
| Metres to microns | m | µ | 1 million |
| Metres to feet | m | ft | 3.28084 |
| Metres to yards | m | yd | 1.093613 |
| Microns to metres | µ | m | 0.000001 |
| Microns to millimetres | µ | mm | 0.001 |
| Miles to kilometre | miles | km | 1.60934 |
| Millimetres to feet | mm | ft | 0.003280840 |
| Millimetres to inches | mm | in | 0.03937008 |
| Millimetres to microns | mm | µ | 1000 |
| Pounds to grams | lb | gm | 453.60 |
| Pounds to kilograms | lb | kg | 0.453593 |
| Tons (long) to kilograms | ton | kg | 1016.047 |
| Tons (long) to metric tons (or tonne, 1000 kg) | ton | tonne | 1.016047 |
| Yards to metres | yd | m | 0.9144 |