Unit Converter

Free online unit converter — convert length, weight, temperature, speed, volume, area, and data units instantly.

FAQ

How do I convert Celsius to Fahrenheit?

Multiply the Celsius temperature by 9/5 (or 1.8), then add 32. For example, 25°C = (25 × 1.8) + 32 = 77°F. Our converter handles this and many more unit conversions instantly.

How many kilometers are in a mile?

One mile equals approximately 1.609 kilometers. Conversely, one kilometer is about 0.621 miles.

What unit categories does this converter support?

This tool supports length, weight/mass, temperature, speed, volume, area, and digital data conversions — all in one place.