Propeller Pitch Calculator

Calculate optimal propeller pitch based on engine specifications and desired boat speed.

RPM
knots
hp

How to Use

  • Enter engine RPM at typical cruising speed
  • Enter transmission gear ratio
  • Enter desired boat speed in knots
  • Click Calculate to get recommended pitch

Note: This calculation provides a starting point. Fine-tuning may be needed based on boat characteristics and actual performance.

Comparing hulls? Get the Performance & Design Pack

Hull speed, design ratios, prop sizing and stability. Standard formulas, done right. From A$24.99 (approx. US$15).

See what's inside