Is conversion two-way?

Yes. Edit either side and the opposite value updates instantly, so you can convert in both directions.

How accurate is temperature?

Temperatures use exact formulas (Celsius, Fahrenheit, Kelvin), not approximate factors.

Which measurement systems are covered?

Both metric and imperial/US units across all seven categories.

Yes. Everything is computed in your browser; no network connection is needed after the page loads.

Unit Converter

Convert

A fast, two-way unit converter covering everyday categories: length, weight, temperature, area, volume, speed, and time. Type into either field and the other updates instantly. Quick-convert buttons jump straight to common pairs like km↔mi and °C↔°F.

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How to use

Pick a category (length, weight, temperature, …).
Choose the units on each side.
Type a value into either field — the other converts automatically.
Use the swap button to reverse the direction.
Tap a quick-convert button for a common pairing.

Frequently asked questions

Is conversion two-way?: Yes. Edit either side and the opposite value updates instantly, so you can convert in both directions.
How accurate is temperature?: Temperatures use exact formulas (Celsius, Fahrenheit, Kelvin), not approximate factors.
Which measurement systems are covered?: Both metric and imperial/US units across all seven categories.
Does it run offline?: Yes. Everything is computed in your browser; no network connection is needed after the page loads.