Unit Converter
Convert between length, mass, volume, and temperature units.
Overview
Convert between units of length, weight, temperature, volume, and more with this all-in-one browser-based unit converter. Select your measurement type, enter a value, and see the converted result instantly — covering everything from kilometers to miles, kilograms to pounds, and Celsius to Fahrenheit.
Key Features
- Multiple Categories — Length, weight, temperature, volume, area, speed, and time conversions all in one tool.
- Instant Results — Conversion happens in real time as you type — no buttons to click.
- Swap Direction — One-click swap between source and target units for quick reverse conversions.
- Precise Calculations — Results are calculated to multiple decimal places for accuracy.
Tech Stack
Built with HTML, CSS, and JavaScript. Conversion formulas stored as JavaScript functions. Temperature uses custom formulas; other units use simple multiplication factors.
Problem it solves
Searching for individual conversion formulas online is slow and scattered. This tool covers all common unit conversions in one clean interface.
How it was built
Built with HTML, CSS, and JavaScript. Conversion formulas as JS functions, real-time calculation on input events.
Frequently Asked Questions
Is the Unit Converter completely free to use?
Yes, the Unit Converter is 100% free with no account required, no subscription, and no watermarks.
Does Unit Converter store any of my data or inputs?
No. All generation and calculations run client-side directly in your browser. None of your data or inputs are sent to or stored on external servers.
Can I use outputs from Unit Converter for commercial projects?
Yes, all results generated with this tool are free to use for both personal and commercial projects without attribution.