Unit Converter
Convert between length, weight and temperature units. Meters, feet, kilograms, pounds, Celsius, Fahrenheit and more. Free and private, right in your browser.
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Convert length, weight, and temperature between metric and imperial units instantly, handy for cooking with a foreign recipe, checking a shipping weight limit, or figuring out how many centimeters you actually are.
How to use it
- Pick a category: length, weight, or temperature
- Enter a value and choose the unit you're converting from
- Read the converted result in your target unit instantly
Frequently asked questions
- Does it handle both metric and imperial units?
- Yes. Convert between metric (meters, kilograms, Celsius) and imperial/US units (feet, pounds, Fahrenheit) in either direction, plus units like miles, ounces, stone, and Kelvin.
- How precise are the conversions?
- Results are calculated using standard conversion factors (e.g. 1 inch = 2.54 cm exactly) and shown with enough decimal places for everyday use, like cooking, DIY projects, or travel.
- Does temperature conversion account for the offset, not just a multiplier?
- Yes. Celsius, Fahrenheit, and Kelvin use the correct formulas (like F = C × 9/5 + 32), not a simple scaling factor, so freezing and boiling points convert correctly.
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Nothing is uploaded
The file never leaves your device. There is no server to send it to, so there is nothing to leak, log, or subpoena.
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No signup, no limits
No account, no email, no daily cap, no watermark, and no paid tier waiting behind the third file.
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Works offline
Load the page once and it keeps working with the network off, because all the work was always happening locally.