Solve proportions instantly by entering any three of four values. Results update as you type and are automatically copied to your clipboard, with support for expressions, keyboard shortcuts, and a floating window for quick calculations.
The next time a site asks for a code, you’ll just tap it in. iPhone · iPad · Mac
Solve proportions instantly by entering any three of four values. Results update as you type and are automatically copied to your clipboard, with support for expressions, keyboard shortcuts, and a floating window for quick calculations.