Units quickly by typing to filter options. Select a to restrict the second to its category. Save frequently used units to a Favorites list. Browse units manually when needed.
by Cider Software LLC★ 4.85,353 ratingsTravel$9.99Data updated 2026-11-06
The app offers two calculation modes: Calculator mode evaluates left to right, while Formula mode respects operator precedence and supports parentheses. Users can edit past calculations, add notes, and export rolls as PDFs.
Calculate aerodynamic drag, chassis stress, drivetrain efficiency, engine power, suspension force, and tire pressure using 45+ formulas. Switch between U.S. and metric units. Perform quick computations for mechanics, technicians, and enthusiasts.