Offline Unit Converter

Offline Unit Converter is the fast, all-in-one measurement converter for students, engineers, chefs, travelers, and anyone who needs accurate unit conversion — instantly, and 100% offline. No internet connection required, no ads, no clutter.

Just enter a value once and see it converted across every related unit at the same time — no need to convert one pair at a time.

★ BASIC
• Length (meters, feet, miles, inches & more)
• Area (square meters, acres, hectares & more)
• Weight (kg, pounds, ounces, tons & more)
• Volume (liters, gallons, cups, milliliters & more)

★ LIVING
• Temperature (Celsius, Fahrenheit, Kelvin)
• Timer (seconds, minutes, hours, days)
• Speed (km/h, mph, m/s, knots)

★ SCIENCE
• Pressure (atm, Pa, bar, psi & more)
• Force (Newton, dyne, kgf, lbf & more)
• Work / Energy (joule, calorie, kWh & more)
• Power (watt, horsepower, BTU/h & more)

★ MISC
• Angle (degrees, radians, gradians)
• Data storage (KB, MB, GB, TB, bits & bytes)
• Fuel consumption (mpg, km/L, L/100km)
• Cooking (cups, tablespoons, teaspoons, ml, grams)

WHY OFFLINE UNIT CONVERTER

• 100% offline — every conversion runs on your device, no data connection needed, works perfectly in flights, remote job sites, or areas with poor signal.
• No ads, ever — a clean, distraction-free converter. If you find it useful, you can optionally support development from the app's Sponsor screen — completely optional, never required.
• Modern, beautiful design — rebuilt from the ground up with Google's latest Material Design, including dynamic color that matches your phone's wallpaper, and a true dark theme.
• Fast and lightweight — small install size, instant results as you type, no lag.
• Private by design — no account, no login, no personal data required to use the app.

Whether you're a student converting units for homework, an engineer working with pressure and force calculations, a chef converting cooking measurements, a traveler converting speed and distance on the road, or anyone who just needs a reliable measurement converter and metric converter in one place — Offline Unit Converter has you covered.

Have a unit or category you'd like added? We actively update this app based on user feedback — let us know and we'll consider it for a future update.

Download Offline Unit Converter today — the free, offline, ad-free unit and measurement converter.