What is Unit Converter?
Unit Converter converts between metric and imperial units across eight categories: length, weight, temperature, area, volume, speed, time and digital storage. Type a value on either side and the conversion updates instantly in both directions.
Every conversion also shows a full table of equivalents in all other units, so you can see centimeters, inches, feet and miles at once. Conversions use exact international definitions for accurate results.
How to use Unit Converter
Get it done in 4 simple steps — no installation or account needed.
- Pick a category such as Length or Weight.
- Choose the units to convert from and to.
- Type a value — the result appears instantly. You can also type in the result box to convert backwards.
- Use the swap button to reverse units, and check the table for all other equivalents.
Who needs Unit Converter?
From students to professionals, here’s who gets the most out of Unit Converter — and why.
Students
Convert units for physics, chemistry and math homework.
Cooks & bakers
Convert cups, tablespoons, ounces and grams.
Travelers
Understand miles, Fahrenheit and pounds abroad.
Engineers & IT pros
Convert speeds, areas and storage sizes accurately.
Is Unit Converter safe to use?
Yes. Unit Converter runs entirely in your web browser using JavaScript. Your files and data are processed on your own device and are never uploaded to AppsOcean or any third-party server. There’s nothing to install, no account to create, and it’s completely free.Read our privacy policy.
Unit Converter — frequently asked questions
How many centimeters are in an inch?
Exactly 2.54 centimeters. One foot is 30.48 cm and one meter is about 3.2808 feet.
What is the difference between GB and GiB?
1 GB is 1,000,000,000 bytes (decimal), while 1 GiB is 1,073,741,824 bytes (binary). Storage makers use GB; operating systems often show GiB.
How accurate are the conversions?
Conversions use exact international definitions (e.g. 1 inch = 2.54 cm) and are shown with up to 10 significant digits.
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