Free Unit Converter for Cooking, Science, and Everyday Use
8 Unit Converters in One Place
FreeCalcKit includes converters for length, weight, temperature, speed, volume, area, data storage, and cooking measurements. All converters update in real-time — just type a value and see all conversions instantly. Popular conversions include km to miles, lbs to kg, gallons to liters, and MB to GB.
Cooking Converter
Following a recipe from a different country? Convert between cups, tablespoons, grams, and milliliters by ingredient. Try our cups to ml, tbsp to tsp, and oz to grams converters. The cooking converter knows that 1 cup of flour weighs differently than 1 cup of sugar.
Science and Engineering
Convert temperature between Celsius and Fahrenheit or Fahrenheit and Celsius. Convert speed between km/h and mph or mph and km/h. Convert data sizes like GB to TB or KB to MB with support for both binary (1024) and SI (1000) standards.