Fast, beautiful, and completely free. Convert any unit instantly — fully offline with no data collection.
Download on Google PlayClean, intuitive interface with Material You design
From everyday conversions to specialized units
Type any value and see results in real time. All calculations happen locally — no internet needed.
Save your most used conversions and access them instantly from the category picker.
Follows your system theme — dark mode, dynamic colors, and modern Material Design 3.
Create your own converters from scratch. Add custom units with any name and conversion factor.
Place a converter on your home screen. Choose from Common categories or your custom converters.
Tap any conversion result to copy it to your clipboard with instant feedback.
Dedicated numeric keypad for fast input. No annoying system keyboard overlay.
Reorder categories, hide converters you don't use, disable unit systems, and toggle digit grouping.
No registration, no data collection, no tracking. All conversions stay on your device.
From everyday measurements to specialized scientific units
Everyday conversions for length, mass, volume, temperature, speed, time, area, pressure, angle, and more.
Specialized converters for physics, electricity, mechanics, optics, data storage, radiation, and engineering.
Obsolete and historical units from ancient civilizations, medieval Europe, Imperial Russia, and other eras.
Practical kitchen, cooking, baking, cleaning, and home measurement converters.
International clothing sizes, shoe sizes, ring sizes, fabric measurements, and paper sizes.
Intelligent tools: percentage calculator, ratio converter, currency-style converter, date tools, and more.
Date converters between Gregorian, Hijri, Persian, and other calendar systems.
The most comprehensive unit converter on Android — private, offline, and fully customizable.
Join thousands of users who trust Unit Converter for their daily conversions.
