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Propeller Pitch Calculator
Calculate the pitch needed to reach a target boat speed.
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Calculate the pitch needed to reach a target boat speed.
Propeller Pitch Estimator
Enter your numbers below for an instant estimate.
0
π‘ Tip: Pitch = speed x 1056 / (RPM x (1 – slip)).
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Propeller Quick Guide
Typical values for reference.
| Pitch | RPM change | Effect | Use |
|---|---|---|---|
| Lower 1 in | +200 | Quicker | Heavy load |
| Same | 0 | Balanced | Normal |
| Higher 1 in | -200 | Faster top end | Light load |
| Higher 2 in | -400 | Fast | Racing |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Propeller Pitch Calculator FAQ
Answers to common questions about this calculator.
It sets how far the prop moves forward per revolution.
It gives a quick estimate of propeller pitch from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.