Online Unit Converter
Convert across 7 categories: length, weight, temperature, area, volume, speed, and data. 100% private, all processing in your browser
7 Categories
Length, weight, temp, area, volume, speed, data
Privacy First
Your data never leaves your device
Quick Swap
One click to swap units
Live Formula
See the conversion equation
Frequently Asked Questions
What unit categories are supported?
Seven categories: length, weight, temperature, area, volume, speed, and data storage — each with a comprehensive set of units.
Will my data be uploaded to a server?
No. All conversion is done locally in your browser. Your input never leaves your device, fully protecting your privacy.
How accurate are the conversions?
Conversions use standard international conversion factors. Results are displayed with appropriate precision for each unit category.
Can I swap units quickly?
Yes. Click the swap button between the From and To fields to instantly reverse the conversion direction.
Does temperature conversion support negative values?
Yes. Temperature supports Celsius, Fahrenheit, and Kelvin with full negative value support, including absolute zero boundaries.
Is this tool free to use?
Completely free. This is a pure frontend online tool - no registration required, no payment needed, just open and use.
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