Unit Converter — Free & Instant
Convert length, weight, temperature, area, speed and data units instantly.
How to Use Unit Converter
Select a category (Length, Weight, Temperature, etc.)
Choose the From and To units
Enter a value and see the result instantly
Your files never leave your browser
No upload wait time. Results in seconds
No daily limits, no file count limits
No account, no subscription, no fees
About Unit Converter
Whether you're converting between metric and imperial measurements for cooking, construction, science, or everyday life, this converter handles six major unit categories with precision. Temperature conversions use the correct mathematical formulas — not simple multiplication — for accurate results.
Supported Categories
- Length: mm, cm, m, km, inches, feet, yards, miles
- Weight: mg, g, kg, oz, lb, metric tons
- Temperature: Celsius, Fahrenheit, Kelvin
- Area: m², km², ft², acres, hectares
- Speed: m/s, km/h, mph, knots
- Data: bytes, KB, MB, GB, TB
Frequently Asked Questions
How accurate are the conversions?
All conversions use precise mathematical factors. Results are displayed with up to 6 decimal places for accuracy.
Does it support temperature conversion?
Yes — Celsius, Fahrenheit and Kelvin conversions use the correct formulas (not simple factor multiplication) for precise results.