Unit Converter
Unit converter
Convert length, weight, temperature, and speed between common metric and imperial units. Pick a category and your units below, type a value, and the result updates instantly — including tricky ones like Celsius ↔ Fahrenheit.
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Frequently asked questions
How do I convert between units?
Pick the category, choose from/to units, enter a value — the result shows instantly.
How do I convert Celsius to Fahrenheit?
×9/5 then +32. 20°C = 68°F. This tool also handles Kelvin.
How many km in a mile?
About 1.609 km. One km ≈ 0.621 miles.