FREE TOOL
Unit converter
Choose what you're measuring, enter a number and see it in every unit at once.
WHAT IT DOES
About this tool
Convert length, weight, temperature, volume, area, speed, time and data size. Covers metric, imperial and US units, all with exact conversion factors.
Everything runs right in your browser: your text and files are never uploaded or stored.
QUESTIONS
Frequently asked questions
Is a US gallon the same as a UK gallon?
No. A US gallon equals 3.785 liters, while a UK (imperial) gallon is 4.546 liters. Cups, pints and fluid ounces in this converter are all US units.
What's the difference between MB and MiB?
MB counts in powers of 1000 (1 MB = 1,000,000 bytes), which is how drive makers measure. MiB counts in powers of 1024 (1 MiB = 1,048,576 bytes), which is how many operating systems measure. That's why a "1 TB" drive shows up as roughly 931 GiB.
How accurate are the results?
Every conversion uses the exact official factors (for example, 1 inch is exactly 2.54 cm) and shows up to 10 significant digits.
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