Does this unit converter upload my values?
No. Unit conversion happens locally in your browser.
Unit conversion runs locally in your browser. Nothing is uploaded.
Unit Converter
Convert metric, imperial, temperature, and digital storage units with live results and accurate temperature formulas.
Unit conversion runs locally in your browser. Nothing is uploaded.
Convert units instantly
Private unit conversion for everyday calculations
Use this unit converter for length, mass, temperature, and data storage calculations while writing specs, checking recipes, planning travel, comparing device storage, or debugging measurements.
The converter uses factor-based formulas for length, mass, and data units, plus affine Celsius, Fahrenheit, and Kelvin formulas for temperature. Everything updates locally as you type.
How to use this tool
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Choose a measurement type
Select length, mass, temperature, or data storage from the measurement menu.
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Enter the value and units
Type a number, then choose the source unit and target unit you want to convert between.
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Copy the result
Review the live converted value, swap units if needed, and copy the result.
FAQ
Does it handle Fahrenheit correctly?
Yes. Temperature conversion uses Celsius as a pivot, so Fahrenheit and Kelvin offsets are handled correctly.
Which data units are supported?
It supports bits, bytes, SI units like KB and MB, and binary units like KiB, MiB, and GiB.
Can I convert metric and imperial length units?
Yes. Millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles are included.