Unit Converter
Instantly convert physical units for length, weight, and temperature offline.
Frequently Asked Questions
Is this unit converter free to use?
Yes, the unit converter is completely free with no login, watermarks, or usage limits.
Does this tool work offline?
Yes. All conversions are calculated entirely in your browser using JavaScript — nothing is sent to a server.
What unit categories are supported?
You can convert length (meters, kilometers, miles, inches, feet), weight (kilograms, grams, pounds, ounces), and temperature (Celsius, Fahrenheit, Kelvin).
Can I quickly reverse a conversion?
Yes, the 'Swap Conversion Units' button swaps the From and To units and carries the current output over as the new input.