Everyday Tools
Unit Converter
- Browser-based
- No signup
Convert values between common metric and US customary units for length, weight, and volume, plus Celsius, Fahrenheit, and Kelvin for temperature. Results update as you type and include every unit in the selected category.
100% Client-Side
Your data never leaves your computer.
How to use this tool
1. Pick a category: Length, Weight, Volume, or Temperature. 2. Enter a value and select the From unit. 3. Select the To unit (use ⇄ Swap to reverse). 4. Read the converted result and optional all-units table. 5. Copy the result or value only if needed.
Worked example
Example: Length category, value 1, From mile, To kilometer gives about 1.609 km.
How it works
Choose a category, enter a value, and select the units to convert from and to. Length, weight, and volume use standard conversion factors. Temperature uses the Celsius, Fahrenheit, and Kelvin formulas. Results update as you type and include every unit in the selected category.
Limitations
Uses standard conversion factors. Cooking measures and historical units may vary by region or source.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Specialized Unit Converter guides
Explore focused guides for common searches—each page reuses this unit converter with different examples and FAQs.
Frequently asked questions
Which unit categories are supported?
You can convert length, weight, volume, and temperature. Each category includes common metric and US customary units.
How are conversions calculated?
Length, weight, and volume use standard conversion factors through a base unit. Temperature uses the Celsius, Fahrenheit, and Kelvin formulas.
Is my input stored?
No. Conversion runs locally in your browser and values are not stored.
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