⚖️ Unit Converter

Convert between metric and imperial units across 8 categories — length, weight, temperature, area, volume, speed, digital storage and time — with instant, accurate results.

How to use the Unit Converter

Pick a category (length, weight, temperature…).
Enter a value and choose the from/to units.
The result updates instantly; use ⇄ to swap directions.

🔒 Privacy first: this tool runs entirely in your browser. Your files and text are never uploaded to any server.

Frequently asked questions

What are the most common conversions?

1 mile = 1.609 km, 1 kg = 2.205 lbs, 1 inch = 2.54 cm, 1 gallon (US) = 3.785 liters, and °F = °C × 9/5 + 32. This tool handles all of these plus dozens more.

How accurate are the conversions?

Conversions use internationally defined exact factors (e.g. 1 inch = 25.4 mm exactly) and display up to 9 decimal places.