Unit Converter - Free Online | FunToolX
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About this tool
Unit Converter is a free online converter. Various unit conversion tools. Convert files and values in just a few seconds. It runs entirely in your browser — no download or sign-up needed.
After opening the page, select the physical quantity category to convert (length, weight, temperature, area, volume, speed, time, data storage, etc.), enter the value and select source and target units, and the results will be displayed in real time. Support switching between dozens of units, such as meters, feet, inches, yards, nautical miles and other length units.
The conversion is based on the conversion factor of the International System of Units (SI), and the temperature uses a linear transformation formula of degrees Celsius/degrees Fahrenheit/Kelvin. Data storage units support both SI standard (1KB= 1000B) and binary standard (1KiB= 1024B). Some tools also display conversion formulas for easy learning.
Suitable for engineering calculations, cooking recipe conversions, understanding local units while traveling, or verifying unit conversions while learning physics. Faster than looking up tables and more intuitive than calculators.
Online unit conversion tool supports 20+ categories such as length, weight, temperature, area, volume, and speed, and converts and displays formulas in real time.