What is Unit Converter?
The Unit Converter is a universal tool for converting between common measurement units — length, weight, temperature, and volume. Whether you're following a US recipe (cups and °F), reading a UK news article (miles and stones), or doing school homework (metric conversions), this tool gives instant results.
This is a single-page conversion tool covering the most commonly searched conversions. Instead of visiting different pages for km-to-miles, kg-to-lbs, and Celsius-to-Fahrenheit, everything is in one place with a simple dropdown.
Most popular conversions globally: km ↔ miles, kg ↔ lbs, °C ↔ °F, liters ↔ gallons, feet ↔ meters. These account for the bulk of unit conversion searches on Google.
Formula
Key conversion formulas:
1 km = 0.621371 miles 1 mile = 1.60934 km 1 kg = 2.20462 lbs 1 lb = 0.453592 kg °F = °C × 9/5 + 32 °C = (°F − 32) × 5/9 1 liter = 0.264172 US gallons 1 foot = 0.3048 meters 1 inch = 2.54 cm 1 meter = 3.28084 feet
How to use this Unit Converter?
1. Enter the value to convert. 2. Select the conversion type from the dropdown. 3. See the converted result and formula used.
Quick references: 100 km = 62.14 miles | 5 feet = 1.524 m 70 kg = 154.3 lbs | 98.6°F = 37°C 1 gallon = 3.785 liters