PistonCalc: Multipurpose Engine Calculator with unit conversion at App Store analyse

App power index: 260 (based on ranks around App Stores today)
Utilities Productivity
Developer: QART Serwis
Price: 0 free
Current version: 1.5.2, last update: 7 years ago
First release : 15 Jun 2013
App size: 4.7 Mb
4.8 ( 2608 ratings )
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Estimation application downloads and cost

> 5.72k
Monthly downloads
~ $ 2.34k
Estimation App Cost


Simple but powerful engine calculator with unit conversion. Calculate: engine displacement, compression ratio, speed of the piston. Convert units of power, torque and size. You can enter data in metric units (mm) or imperial units (inch) in fractional inches or decimal. Convert from metric to fractions of inch too.

* Engine displacement calculator.
* Calculate of the compression ratio.
* Converting of torque and calculate power or RPM.
* Convert power units and calculates the power.
* Calculate the average speed of the piston.
* Converts and calculates the speed and pace in different units.
* Converting units of length.

Also available for macOS: http://www.qsap.eu/pistoncalc/

Questions or ideas for improvements? Write: http://www.qsap.eu/pistoncalc/contact/
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Available in countries
Country Price
Canada 3.99 CAD
China 18 CNY
France 3.49 EUR
Germany 3.49 EUR
Italy 3.49 EUR
Netherlands 3.49 EUR
Portugal 3.49 EUR
Spain 3.49 EUR
Poland 2.29 EUR
UK 2.99 GBP
India 249 INR
Japan 370 JPY
Korea, Republic Of 999.99 KRW
Poland 13.99 PLN
Russia 229 RUB
Turkey 19.99 TRY
USA 2.99 USD
Korea, Republic Of 2.19 USD
Ukraine 2.99 USD
Available for devices
iPhone3GS, iPhone4, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,