Unit Converter
Convert length, mass, volume, temperature, time, digital storage, and other units.
How to use this unit converter
- Choose the measurement type, such as length, mass, volume, temperature, or speed.
- Enter the amount you want to convert.
- Select the source unit and target unit from the compatible options.
- Use the converted value and detail line to confirm the units before copying the result.
Unit types supported
This unit converter supports everyday conversions for length, area, mass, volume, temperature, time, speed, pressure, power, energy, digital storage, angles, frequency, force, torque, voltage, current, charge, flow rates, pace, and more.
Choose a measurement type first, then pick compatible units from that group. Results update automatically as you change the amount or either unit.
How unit conversions are calculated
The converter uses unit definitions loaded in the browser. Most units use a multiplicative conversion factor within the same measurement group. Temperature conversions use offset formulas because Fahrenheit, Celsius, and Kelvin do not share the same zero point.
Unit converter FAQ
Why can I only choose certain target units?
The converter only shows units from the same measurement group, so length converts to length, mass to mass, temperature to temperature, and so on.
Why are temperature conversions different?
Temperature scales use different zero points, so temperature conversions require both multiplication and an offset.
How precise are the results?
Results are formatted for practical readability. For scientific or regulated work, confirm required precision and rounding rules separately.