Unit converter
Convert units of length, weight, temperature, area, volume, speed, time, and data size. Choose your units and enter an amount.
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Common unit conversions.
One inch is 2.54 centimeters, one pound is 0.45359237 kilograms, and 32°F is 0°C. Choose a measurement to see its units. Swap units reverses the two choices and keeps the amount you entered.
Are US and imperial measures the same?
No. US and imperial gallons, pints, and fluid ounces differ, so they are labelled separately here. A US cup means 8 US fluid ounces; a metric cup means 250 mL.
What is the difference between MB and MiB?
MB uses decimal units: 1 MB is 1,000,000 bytes. MiB uses binary units: 1 MiB is 1,048,576 bytes. One byte is eight bits.
How precise are the results?
Conversions use standard unit factors and show up to 12 significant digits. Time uses fixed durations: a day is 24 hours and a week is 7 days. Use Date difference calculator for calendar dates.