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Free Unit Converter
🔒 100% private — runs in your browser, nothing uploaded
Convert between metric and imperial units in every everyday category: length, weight, temperature, volume, speed, and data. Type a value and see the conversion instantly — no buttons to press.
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How to Convert Units Instantly
- Step 1: Pick a category: length, weight, temperature, volume, speed, or data.
- Step 2: Type your value and choose from / to units.
- Step 3: See the result instantly — no buttons to press.
Why Use Our Unit Converter?
- 6 categories: length, weight, temperature, volume, speed, data
- Instant live conversion as you type
- Exact international definitions for precision
- Metric ↔ imperial both directions
Frequently Asked Questions
Which conversions are supported?
Length (m, km, ft, mi…), weight (kg, lb, oz…), temperature (°C, °F, K), volume (L, gal, cups…), speed, and digital data (KB, MB, GB…).
How accurate are the conversions?
We use exact international definitions (e.g., 1 inch = 2.54 cm exactly), so results are as precise as your input.