Unit Converters
14 free tools · runs in your browser
Weight, height, length, temperature, speed, data, currency and many other unit converters with instant results. Like every tool on UsefulTools, these are free, require no signup, and process everything locally on your device.
Weight Converter
kg, lb, oz, stone, grams and tons
Height Converter
Feet/inches to cm and meters
Length Converter
Meters, miles, feet, inches, km and more
Temperature Converter
Celsius, Fahrenheit, Kelvin and Rankine
Speed Converter
km/h, mph, m/s, knots, mach
Data Size Converter
Bytes, KB, MB, GB, TB and bits
Area Converter
Square meters, feet, acres, hectares
Volume Converter
Liters, gallons, cups, milliliters
Cooking Measurement Converter
Cups, tablespoons, teaspoons, ml, grams
Time Unit Converter
Seconds, minutes, hours, days, weeks
Pressure Converter
Pascal, bar, PSI, atmospheres, mmHg
Energy Converter
Joules, calories, kWh, BTU
Angle Converter
Degrees, radians, gradians, turns
Currency Converter
Live exchange rates, 30+ currencies