Free

Unit Converter

Convert length, weight, temperature, speed, data, and 170+ currencies instantly — no internet required.

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Unit Categories

300+

Units Supported

170+

Currencies

100%

Offline

Features

Everything you need for quick, accurate unit conversions — all running offline on your device.

Length & Distance

Convert meters, kilometers, miles, feet, inches, yards, nautical miles, and more.

Weight & Mass

Switch between kilograms, grams, pounds, ounces, stones, and tonnes instantly.

Temperature

Celsius, Fahrenheit, and Kelvin conversions with real-time results.

Speed & Velocity

km/h, mph, m/s, knots, and Mach — useful for travel and physics.

Area & Volume

Square meters to acres, liters to gallons, and dozens more.

Currency Conversion

170+ currencies with live exchange rates. Works offline with cached rates.

Data & Digital

Bytes, kilobytes, megabytes, gigabytes, terabytes, bits, and more.

Supported Categories

53 categories covering every measurement system you'll ever need.

LengthWeightTemperatureAreaVolumeSpeedDataTimeCurrencyPressureEnergyPowerFrequencyAngleFuel ConsumptionTypography+ 37 more

Why Unit Converter?

Built for speed and simplicity.

Fully Offline

No internet connection needed. Convert units anywhere — on a plane, in a remote area, or wherever you are. All conversion logic runs entirely on your device.

Blazing Fast

Results appear instantly as you type. No loading spinners, no delays — just immediate, accurate conversions every time.

Clean & Simple

No clutter, no ads (free version), no sign-up required. Open the app and start converting. That's it.

Ready to convert?

Download Unit Converter for free on Google Play and start converting units instantly.

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