Unit Converter

Convert between common units of length, weight, and temperature instantly with live two-way conversion.

Supported Conversions

Length: kilometres, miles, metres, feet, centimetres, inches
Weight: kilograms, pounds, grams, ounces
Temperature: Celsius, Fahrenheit, Kelvin

How It Works

Select a category and enter a value in any field. All other units update instantly. Temperature conversions use the standard formulas: °F = °C × 9/5 + 32 and K = °C + 273.15.