Quick reference
| From | Equals |
|---|---|
| 1 inch | 2.54 cm |
| 1 mile | 1.609 km |
| 1 pound | 453.6 g |
| 1 kilogram | 2.205 lb |
| 1 US gallon | 3.785 litres |
| 0 °C | 32 °F |
| 100 km/h | 62.14 mph |
| 1 gigabyte | 1,000 megabytes |
Private by design. Conversions run in your browser — nothing is uploaded.
Frequently asked questions
How many centimetres are in an inch?
Exactly 2.54 cm. A foot (12 inches) is 30.48 cm.
How do I convert Celsius to Fahrenheit?
×9/5 then +32. 20°C = 68°F. The Temperature category does it both ways.
What units are supported?
Length, weight, temperature, volume, area, speed, time and digital storage — metric and imperial.
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