This calculator is free to use as often as you wish.
The calculations and results are based on imperical data and formulas.
The results are only as acurate as the data you enter.
The calculated propeller sizes are based on standard propeller designs;
2 blade = 30% blade area ratio
3 blade = 50% blade area ratio
4 blade = 69% blade area ratio
Calculate a propeller size based
on the data you enter
No calculations for cavitation