Opening the iTunes Store.If iTunes doesn't open, click the iTunes application icon in your Dock or on your Windows desktop.Progress Indicator
Opening the iBooks Store.If iBooks doesn't open, click the iBooks app in your Dock.Progress Indicator

iTunes is the world's easiest way to organize and add to your digital media collection.

We are unable to find iTunes on your computer. To buy and download Propeller Calculator by ApplicationSoft, get iTunes now.

Already have iTunes? Click I Have iTunes to open it now.

I Have iTunes Free Download
iTunes for Mac + PC

Propeller Calculator

By ApplicationSoft

Open iTunes to buy and download apps.


Propeller Calculator!

Use this calculator to figure the following information.

Engine RPM
Gear Ratio
Propeller Pitch
Propeller Slip Percent
Speed MPH

And many more to come in the future.

Please leave feedback and i will continue to come out with updates.

iPhone Screenshot

iPhone Screenshot 1

Customer Reviews


Awesome app! One of the most useful ones I have on my phone. Highly recommended for any high performance boat owner!


Wasted money here!! Click the solve button and the app closes and takes you to the phones home screen

Like it!

Thanks for the handy prop app.

Propeller Calculator
View in iTunes
  • $0.99
  • Category: Productivity
  • Released:
  • Version: 2.0
  • Size: 0.1 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 4.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version: