Covers length, weight, temperature, area, volume, speed, data storage, time, pressure and energy — all the units you need day to day.
Type in either the From or To field and the other updates instantly. Hit the swap button to reverse the direction without re-entering values.
Results use up to 10 significant figures and automatically switch to scientific notation for very large or very small values.
All conversions run entirely in your browser. No data is sent to any server — safe for sensitive values, and works without an internet connection once loaded.
Use the formula °F = (°C × 9/5) + 32. For example, 100 °C = 212 °F, and 0 °C = 32 °F. Select the Temperature category, enter your value, choose °C as the source unit and °F as the target — the result appears instantly.
One mile equals exactly 1,609.344 meters (or 1.609344 kilometers). Use the Length converter to switch between miles, meters, kilometers, feet, inches, yards and more in one click.
One kilogram equals approximately 2.20462 pounds. Conversely, one pound equals 0.453592 kilograms. Use the Weight converter for kg, lb, oz, grams, stones and other mass units.
One gigabyte (GB) equals 1,024 megabytes (MB). Select the Data Storage category and convert between bits, bytes, KB, MB, GB, TB, PB and binary units like GiB and MiB.
Yes, completely free. All conversions happen locally in your browser — no account required, no data stored on any server, and it works offline once the page is loaded.