Convertal

Convertal is a fast, clean unit converter — for everyday conversions and the obscure ones too.

Type in either box and the result updates live, then swap units with a tap. No sign-up, no clutter, and it works offline (except live currency and crypto rates).

Free
• Length, weight and temperature conversions
• Hundreds of units, with metric / US / UK defaults detected for your region
• Live dual-box conversion, swap, copy, and save with a note
• Light and dark themes, adjustable decimal precision and scientific notation

Convertal Pro — monthly, yearly or lifetime — unlocks everything:
• 20+ categories: area, volume, speed, data storage, data rate, energy, power, pressure, frequency, angle, force, torque, fuel economy, density, flow rate, cooking, number bases, currency and cryptocurrency, and more
• Removes ads
• A home-screen Quick Convert widget with a built-in keypad — convert without opening the app

Live currency and crypto rates are cached for offline use. Everything else works with no connection at all.

Convert anything, instantly.