Propeller to Motor Efficiency Calculator

Calculate propeller efficiency and optimal configuration for electric motors.

Motor RPM

RPM

Propeller Diameter

inches

Propeller Pitch

inches

How to Use

Enter motor RPM
Enter propeller diameter in inches
Enter propeller pitch in inches
Click Calculate to analyze efficiency

Note: Actual efficiency may vary based on hull design, water conditions, and motor characteristics.

Related Calculators

Prop Slip

Calculate propeller slip

Prop Pitch

Calculate optimal propeller pitch

Power-to-Thrust

Calculate thrust from motor power

Torque Output

Calculate motor torque output