Popular conversions
📏
cm ↔ inches, m ↔ feet
Everyday length conversions for DIY, sewing, travel and screens.
⚖️
kg ↔ lbs, g ↔ oz
Weights for cooking, shipping, fitness and groceries.
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°C ↔ °F ↔ K
Temperature for weather, recipes and science.
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Unit converter
Convert length, weight, temperature, volume, area, speed, time and data — instantly, with metric and imperial units side by side.
This value in every unit
🔒 Conversions run entirely in your browser. Tap any unit below to copy it.
Unit converter FAQ
What can I convert?
Length, weight, temperature, volume, area, speed, time and digital storage, each with metric and imperial units.
Is it accurate?
Yes — conversions use precise factors and update live, plus a table showing your value in every unit of the category.
Is it free and private?
Completely free, no sign-up, and everything runs locally in your browser.