unitMeasure

With over a hundred measurements and fifteen categories, you won’t need to search the internet or fiddle around looking for answers anymore.

This is a completely offline solution, with no permissions whatsoever.
That means no tracking, advertisements, or any funny business.
The app also comes in at just under 1 MB in size, which means that you won’t have to worry about deleting other apps or freeing up storage.
Lastly, the app is customizable: You can Change Themes, Enable Borders, Sort Units, Choose Decimal Points, Hide Animations, & more.

►15 different sections and over a hundred unit measurements are available at your fingertips…
• Length: Inches, Centimeters, Feet, Yards, Meters, Miles, Kilometers, Picometers, Millimeters, Light-years
• Volume: Teaspoons, Tablespoons, Cups, Fluid Ounces, Pints, Quarts, Gallons, Cubic Feet, Milliliters, Liters, (US & UK Values Included)
• Energy: Joules, Kilojoules, Calories, Kilocalories, Inch-Pounds, Foot-Pounds, Megawatt-Hours, Kilowatt-Hours, Electron Volts, BTUs, Barrels of Oil, Horsepower US & Metric
• Time: Milliseconds, Seconds, Minutes, Hours, Days, Weeks, Fortnights, Months, Years, Decades, Centuries
• Digital Storage: Storage: bits, Bytes, KB, MB, GB, TB, PB, Kilobits, Megabits, Gigabits
• Mass/Weight: Ounces, Grams, Kilograms, Pounds, Stones, Metric Tons, Tons US, Slugs
• Temperature: Fahrenheit, Celsius, Kelvin, Rankine, Réaumur
• Area: Square Kilometers, Square Meters, Square Miles, Square Yards, Square Feet, Square Inches, Hectares, Acres
• Pressure: Pascals, Megapascals, Kilopascals, PSI, PSF, Atmospheres, Bars, mmHg, inHg
• Programmer: Binary, Decimal, Octal, Hexadecimal
• Angle: Circles, Degrees, Gradians, Minutes, Mils, Quadrants, Radians, Revolutions, Seconds
• Torque: Pound-Feet, Pound-Inches, Newton-Meters, Kilogram-Meters, Dyne-Centimeters
• Speed: Kilometers per Hour, Miles per Hour, Meters per Second, Feet per Second, Knots, Mach
• Fuel Efficiency/Gas Mileage: Miles Per Gallon US, Miles per Gallon UK, Kilometers per Liter, Liters per 100 Kilometers, Gallons per 100 Miles US, Miles per Liter UK
• Date Calculations: Calculations: Date Difference, Date Duration, Time Difference, Time Duration

►Why Download?
• Has all the Popular Metric, Imperial, and UK Unit Conversions
• No Ads, No Tracking, No Permissions
• Computations are done completely offline!
• It features an intuitive material design that is also functional.
• 3 Different Themes (Light, Dark, and AMOLED Night Mode)
• Precision Control (You choose how many decimal places to show)
•. Save Results to Clipboard (By tapping)
•. Swap Units (By Long-Tapping)
• On-the-Fly Conversions (Results are updated as you type in real-time)
• Results View (See all your conversions in one shot, without having to switch each time)
• Under 1 MB in storage size, thanks to Android App Bundles
•. Tested on & Optimized for both Phones and Tablets
•. The conversions happen in real-time, as you type.

I developed unitMeasure, because I couldn’t find an app that had an intuitive design, the ability to view all the results in one take, work offline, and be lightweight. This app matches everything that I have ever needed within a unit converter and should fit your needs as well.