Boat Propeller Calculator

Use the Boat Propeller Calculator to determine the best prop size, pitch, and RPM for your boat. Improve acceleration, fuel economy, and overall performance.

Boat Propeller Results

Project ID/Description:
Propeller Type:
Static Thrust:
Dynamic Thrust:
Power Output:
Thrust-to-Power Ratio:
Torque:
Current Draw:

Marine Propeller Performance Guide

Propeller Type Typical Thrust (N) Typical RPM
Inboard1000–100001000–3000
Outboard500–50002000–6000
Sterndrive800–80001500–4000

Note: Results are theoretical based on static conditions. Actual thrust depends on hull design and water conditions. Consult test data for precise performance.

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