Unit Converter
Convert between metric and imperial units across 8 categories: length, weight, temperature, volume, area, speed, time, and data size. Swap units in one click. Runs entirely in your browser.
About Unit Conversion
Convert between metric and imperial units across 8 categories. For percentages and discounts see the Percentage Calculator, and for tips use the Tip Calculator.
Secure & Private Client-Side
This tool runs entirely in your browser. No data is sent to any server, ensuring your information remains private and secure.
About Unit Converter
Convert between metric and imperial units across 8 categories: length, weight, temperature, volume, area, speed, time, and data size. Swap units in one click. Runs entirely in your browser.
Frequently Asked Questions
Which categories are supported? expand_more
Length, weight, temperature, volume, area, speed, time, and data size. Pick a category from the dropdown and choose any two units to convert between them.
How is temperature different? expand_more
Temperature cannot be converted with a single multiplier because the Celsius, Fahrenheit, and Kelvin scales have different zero points. The tool applies the correct offset and scaling for each.
Are the conversions accurate? expand_more
Yes. All conversion factors use SI-defined exact values where available, including the inch (exactly 0.0254 meters) and the pound (exactly 0.45359237 kilograms).
Need to convert percentages or tips? expand_more
Use the [Percentage Calculator](/tools/percentage-calculator/) or [Tip Calculator](/tools/tip-calculator/) for those.
Is the conversion done locally? expand_more
Yes. Everything runs in your browser with no upload.
Common Use Cases
- Travel: Convert kilometers to miles, Celsius to Fahrenheit, and liters to gallons.
- Cooking: Resize recipes between metric cups and milliliters.
- Construction: Switch between metric and imperial dimensions on plans.
- Networking: Translate bits, bytes, and kilobytes when sizing downloads.