About this Unit Converter
This free unit converter handles every everyday conversion in one place — no app, no signup. Pick a category, type a value, and the result updates instantly. It covers length (metres, feet, miles, inches…), weight and mass (kilograms, pounds, ounces…), temperature (Celsius, Fahrenheit, Kelvin), area, volume, speed, time and digital data storage.
How to use it
- Choose a category (length, weight, temperature, and more).
- Enter a value and pick the from unit.
- Pick the to unit — the converted value shows instantly. Use the swap button to reverse.
Is this unit converter free?
Yes — completely free, no signup, and every conversion happens right in your browser.
What units can I convert?
Length, weight/mass, temperature, area, volume, speed, time and data storage — dozens of units across eight categories.
How accurate are the conversions?
Conversions use standard international conversion factors, accurate for both everyday and professional use.