UnitMaster

UnitMaster is a unit converter for everyday use and for work. Eight categories, each with the units you actually use: • Length: millimetres to nautical miles, including inches, feet, yards and miles • Weight: milligrams to tonnes, including ounces, pounds, stone and carats • Temperature: Celsius, Fahrenheit and Kelvin • Volume: millilitres to cubic metres, including US gallons, cups, tablespoons and teaspoons • Speed: km/h, m/s, mph, knots and ft/s • Area: cm², m², hectares, km², sq in, sq ft and acres • Energy: joules, kJ, calories, kcal, Wh and kWh • Storage: bytes to terabytes How it works: pick a category, enter a value, choose the source and target unit - the result appears immediately. The conversion formula is shown, you can swap the two units, and copy the result with a single tap. Everything runs offline on the device. No account is created, no internet connection is needed and no data is transmitted.