Next new version for Mac OS X!

New features in version for Mac OS X (v.1.2.5):
PC1.0 Mac 2
Soon also for iOS!

Need help?

Check our support page.

New version for Mac OS X!

New features in version for Mac OS X (v.1.2):

PistonCalc Mac 1.2

iOS 7 version is now available!

iOS 7 version is now available!

Further updates with new features on the way…

Version optimized for iOS 7…

…is waiting for review in the App Store.
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PistonCalc for Mac OS X now on the Mac App Sotre

PistonCalc for Mac OS X: Engine displacement calculator with unit conversion