Free unit converter for length, weight, temperature, data and more. Instant, accurate and browser-based. No sign-up.
Currency rates are approximate and for reference only. All other units use exact SI factors.
Yes — length, weight, temperature, area, volume, speed and data all use exact standard (SI) factors. Currency rates are approximate reference values.
Temperature scales have different zero points, so conversion needs an offset plus multiplication. For example, °F = (°C × 9/5) + 32.
Length, weight, temperature, area, volume, speed, time, pressure, energy, power, angle and data — with instant two-way conversion.
Yes. All math runs in your browser, so once the page is loaded it works without a connection.