30+ Propeller Size Calculator. The results are only as acurate as the data you enter. Find the best propeller dimensions for your vessel using these free online tools.

Enter the required information such as boat type, horsepower, and desired. This calculator computes the propeller pitch of a boat based on the boat velocity (velocity), gear ratio (gear ratio), engine rpm (engine rpm), and propeller slip (slip). The results are only as acurate as the data you enter.
Just Enter Your Motor’s Kv Rating, Battery.
The results are only as acurate as the data you enter. This calculator computes the propeller pitch of a boat based on the boat velocity (velocity), gear ratio (gear ratio), engine rpm (engine rpm), and propeller slip (slip). Enter the required information such as boat type, horsepower, and desired.
The Results Are Only As Acurate As The Data You Enter.
Propexpert is ideal for selecting and analyzing propeller systems for. Determine the right inboard propeller size for your boat by using our prop size calculator. Determine the best propeller dimensions based on boat type, engine power, and usage.
Propeller Sizing Is A Fundamental Concept In Marine Engineering, Which Involves Selecting The Appropriate Size Of The Propeller For A Boat Or Ship To Achieve Optimum Performance.
To use the calculator, input four of the. Determine the perfect prop size & pitch for maximum boat speed and performance. This calculator is free to use as often as you wish.
The Calculations And Results Are Based On Imperical Data And Formulas.
Input rpm, gear ratio and more! You can use this boat propeller calculator to determine one of five variables: Calculate optimum diameter, pitch, reduction gear ratio, and blade area for open or ducted propeller systems.
Search By Your Boat's Engine, Length & The Desired Propeller Material To Find Your Perfect Fit!
Boat speed, propeller slip, propeller pitch, engine gear ratio, or engine revs. The calculations and results are based on imperical data and formulas. Water line length feet metres.