Unit Converter
Business & ProductivityConvert between units of length, weight, temperature, speed, and more.
1 mm = 0.1 cm
All Length Conversions
What is Unit Converter?
Unit Converter converts between units across 8 categories — length, mass, temperature, speed, volume, area, pressure, and digital storage — showing all related units simultaneously so you can compare without switching pages.
How to use Unit Converter
Choose a category
Click any category tab: Length, Mass, Temperature, Speed, Volume, Data, Area, or Pressure.
Select the "from" unit
Pick the unit you are converting from in the left dropdown.
Enter a value
Type the number you want to convert in the input field.
Select the "to" unit or read all
Pick a specific target unit in the right dropdown, or scroll to the "All Conversions" grid to see every related unit at once.
Copy or swap
Click the ⇌ button to swap from and to units, or copy the result directly.
Who uses Unit Converter?
Engineering calculations
Engineers
Convert between metric and imperial units for dimensions, pressures, and speeds when working with international specifications.
Cooking & recipes
Chefs & home cooks
Convert between cups, litres, tablespoons, fluid ounces, and grams for recipes from different countries.
Fitness & health
Anyone
Convert body weight between kilograms and pounds, or running distances between kilometres and miles for training plans.
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FAQ
What unit categories are covered?+
Does it support imperial and metric systems?+
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