Unit Converter
Convert between US customary and metric units for distance, length, weight, volume, temperature and speed.
Result
Common conversions
One mile is 1.609 km. One foot is 30.48 cm and one inch is 2.54 cm. One pound is 0.4536 kg and one ounce is 28.35 g. One US gallon is 3.785 liters.
Temperature
To go from Celsius to Fahrenheit, multiply by 9/5 and add 32. To go from Fahrenheit to Celsius, subtract 32 and multiply by 5/9. So 20°C is 68°F and 100°F is 37.8°C.
Frequently asked questions
Is a gallon the same everywhere?
No. A US gallon is 3.785 liters and a UK imperial gallon is 4.546 liters. This tool uses the US gallon.
How do I convert my height to centimeters?
Turn your height into inches (feet × 12 plus inches) and multiply by 2.54. 5 ft 8 in is 68 inches, or 172.7 cm.
How fast is 100 km/h in mph?
About 62.1 mph.
Related tools
Results are estimates for informational purposes only and are not financial, tax, legal or medical advice.