Unit Converter

Convert length, weight, temperature, volume, and more between metric and imperial units.

Category

From

To

Value

Result

How to use

Choose a category such as length or weight.
Enter a value and pick the "from" and "to" units.
The converted value updates as you type.

Frequently asked questions

What can I convert?

Length, mass/weight, temperature, volume, area, and speed, across common metric and imperial units.

How accurate are the conversions?

Conversions use standard exact factors (for example 1 inch = 2.54 cm), so results are precise to full floating-point accuracy.

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