Fast, accurate conversions across 30+ units — results update as you type
Common length conversion for everyday measurements.
Kilograms to pounds — standard weight conversion.
Celsius to Fahrenheit temperature formula.
Binary data storage conversion (1 GiB = 1024 MiB).
Miles to kilometers — distance conversion.
US gallons to liters — volume conversion.
Welcome to the Unit Converter — a fast, accurate, and completely free online tool for converting between different units of measurement. Whether you need to convert cm to inches, kg to lbs, Celsius to Fahrenheit, or any other unit, our converter handles it instantly with results that update as you type.
Using the converter is simple: select a category (Length, Weight, Temperature, Volume, Speed, or Data Storage), then enter a value in the "From" input field. The converted result appears automatically in the "To" field. You can also swap units by clicking the circular swap button, or change the unit using the dropdown menus on either side. All conversions happen entirely in your browser — no data is sent to any server.
Length: meter (m), centimeter (cm), kilometer (km), inch (in), foot (ft).
Weight: kilogram (kg), gram (g), pound (lb), ounce (oz).
Temperature: Celsius (°C), Fahrenheit (°F), Kelvin (K).
Volume: liter (L), milliliter (mL), US gallon (gal).
Speed: km/h, mph, knot.
Data Storage: byte (B), kilobyte (KB), megabyte (MB), gigabyte (GB) — using binary (1024) units.
Our converter is designed for speed and accuracy. Results are formatted to up to 4 decimal places for precision. The tool works offline after the first load, supports all modern browsers and devices, and is completely free with no ads or trackers. Whether you're a student, engineer, traveler, or just need a quick conversion, this tool has you covered.