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Unit Converter

Convert length, weight, temperature and more — instantly, in your browser.

Popular conversions
Conversion guides
cm to inches inches to cm mm to inches km to miles miles to km meters to feet feet to meters feet to cm kg to lbs lbs to kg grams to ounces kg to stone °C to °F °F to °C liters to gallons ml to ounces
About this tool

Free online unit converter

The Ajenza Unit Converter changes values between units of length, weight, temperature, volume, area, speed, data storage and time — instantly and for free. Convert cm to inches, kg to lbs, Celsius to Fahrenheit, km to miles, litres to gallons and much more. It runs entirely in your browser with no ads or sign-up, and works offline once the page has loaded.

Frequently asked questions
How do I convert cm to inches?

Pick Length, choose Centimeters and Inches, and type a value. 1 cm = 0.393701 in.

How do I convert kg to lbs?

Choose Weight with Kilograms and Pounds. 1 kg ≈ 2.20462 lb.

How do I convert Celsius to Fahrenheit?

Choose Temperature with Celsius and Fahrenheit. °F = °C × 9/5 + 32, so 100 °C = 212 °F.

Is it free and accurate?

Yes — free, no sign-up, works offline, and uses standard conversion factors.

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