Unit Converter

tunnellight

About this app

Unit Converter is a fast, simple, and completely offline app for everyday conversions. Whether you're cooking, traveling, studying, shopping online, or working on a project, get accurate results instantly — no internet connection, no account, and no ads.

Just pick a category, type a value, and see every conversion update in real time.

★ KEY FEATURES ★

• Works 100% offline — no internet permission required
• No ads and no tracking — your data never leaves your device
• Clean, modern design that's easy to use
• Instant, real-time results as you type
• Light and dark theme support
• Lightweight and fast

★ WHAT YOU CAN CONVERT ★

• Length — meters, feet, inches, miles, kilometers and more
• Mass / Weight — kilograms, pounds, ounces, grams, tons
• Temperature — Celsius, Fahrenheit, Kelvin
• Area — square meters, acres, hectares, square feet
• Volume — liters, gallons, cups, milliliters
• Speed — km/h, mph, knots, m/s
• Fuel Economy — mpg, L/100km, km/L
• EV Efficiency — for electric vehicles
• Time — seconds, minutes, hours, days
• Digital Storage — bytes, KB, MB, GB, TB
• Energy — joules, calories, kWh
• Pressure — bar, psi, pascal, atm
• Power — watts, horsepower, kilowatts
• Angle — degrees, radians
• Frequency — hertz, kHz, MHz
• Pay — convert pay across time periods
• Men's & Women's Shoe Sizes — US, UK, EU and more
• Men's & Women's Shirt Sizes — across regional sizing

★ WHY YOU'LL LOVE IT ★

Unit Converter is built to stay out of your way. There are no sign-ups, no pop-ups, and no clutter — just the conversions you need, whenever you need them. Because it runs entirely on your device, it's fast and works anywhere, even with no signal.

★ FEEDBACK ★

Have a suggestion, found a bug, or want a new conversion category added? You can send feedback right from inside the app — we read every message and are always adding new conversions.

Download Unit Converter today and make everyday conversions effortless!

What’s new

Production Rollout!