Unit Converter
A fast, free conversion calculator hub. Pick a converter below to switch between metric and imperial units instantly — no sign-up, no clutter, results the moment you type.
Length ConverterConvert cm to inches, meters to feet, kilometers to miles and every other length unit instantly.Weight ConverterConvert kg to lbs, grams to ounces, stone to kilograms and every other weight unit instantly.Temperature ConverterConvert Celsius to Fahrenheit, Fahrenheit to Celsius, and Kelvin instantly with the exact formula.Speed ConverterConvert mph to km/h, km/h to mph, knots, m/s and feet per second instantly.Volume ConverterConvert liters to gallons, ml to fluid ounces, cups to milliliters and more instantly.Area ConverterConvert square feet to square meters, acres to hectares, and every other area unit instantly.Currency ConverterConvert USD to EUR, USD to INR, GBP, JPY and other major currencies using reference exchange rates.
One converter for every everyday measurement
Whether you are following a recipe, planning a trip, reading a product spec or doing homework, you often need to switch a value from one unit to another. This unit converter brings the most common conversions into one place, with a dedicated tool for each measurement type so every page stays focused and simple. Each converter runs entirely in your browser, so results are instant and your inputs never leave your device.
- Length Converter — Convert cm to inches, meters to feet, kilometers to miles and every other length unit instantly.
- Weight Converter — Convert kg to lbs, grams to ounces, stone to kilograms and every other weight unit instantly.
- Temperature Converter — Convert Celsius to Fahrenheit, Fahrenheit to Celsius, and Kelvin instantly with the exact formula.
- Speed Converter — Convert mph to km/h, km/h to mph, knots, m/s and feet per second instantly.
- Volume Converter — Convert liters to gallons, ml to fluid ounces, cups to milliliters and more instantly.
- Area Converter — Convert square feet to square meters, acres to hectares, and every other area unit instantly.
- Currency Converter — Convert USD to EUR, USD to INR, GBP, JPY and other major currencies using reference exchange rates.
Answers
Unit converter FAQs
What is a unit converter?
How do I convert between metric and imperial units?
Pick the converter for your measurement type, enter a value, and choose the units to convert from and to. The result updates instantly using exact conversion factors — no maths required.
Are the conversions accurate?
Yes. Each converter uses standard, published conversion factors and shows a reference table of the exact factors it applies, so you can check any result yourself.
How do I convert kg to pounds or Celsius to Fahrenheit?
Use the weight converter for kilograms and pounds, and the temperature converter for Celsius, Fahrenheit and Kelvin. Both convert in either direction as you type.
Is the unit converter free and private?
Yes. Every converter is free with no sign-up, and all conversions run in your browser, so the values you enter never leave your device.