Unit Converter

Convert values between common units of length, mass, temperature, volume, and more, useful for cooking, construction, science, and daily life.

From

3.28084

About the Unit Converter

A unit converter converts values between common units of length, mass, temperature, volume, and more, useful for cooking, construction, science, and everyday conversions.

Why temperature conversion needs a formula, not just a multiplier

°F = (°C × 9/5) + 32

Most units convert with a simple multiplication factor (1 mile = 1.60934 km), but Celsius and Fahrenheit don't share a common zero point, so converting between them requires this formula instead of a straight multiplier.

How to use

Choose the category of unit you want to convert, such as length or temperature.

Enter your value and select the source and target units.

View the converted result instantly.

Worked examples

Example: length conversion

Converting 5 kilometers to miles.

Input

5 km × 0.621371

Result

≈ 3.107 miles

Frequently asked questions

Why does temperature conversion work differently than other units?

Unlike length or weight, temperature scales like Celsius and Fahrenheit don't share a common zero point, so conversion requires a formula rather than a simple multiplication factor.

Can I convert between metric and imperial units?

Yes, converting between metric units like meters and kilograms and imperial units like feet and pounds is one of the most common uses for this tool.

Explore more tools in the Calculators category.