2-Stroke Calc
DownloadApp details
- Version
- 1.2.6
- Updated
- 04.10.2026
- Category
- Miscellaneous
- Compatibility
- Android
- Package name
com.simplestsoft.twostrokecalc- Source
- Official Google Play page
2-Stroke Calc is a powerful and intuitive engineering tool designed specifically for enthusiasts working with two-stroke engines. Whether you are building a custom engine, tuning a motocross bike, or maintaining a scooter, this application provides the precise calculations needed for optimal performance. It serves as an essential companion for mechanics and hobbyists who want to move beyond guesswork and rely on accurate data for their builds.
The app covers a wide range of critical engine parameters, ensuring that every component works in harmony for maximum efficiency. The core of the application features a comprehensive suite of calculators. Users can determine port timing with visual diagrams based on measurements, calculate ignition timing in degrees or millimeters from top dead center, and compute compression ratios alongside combustion chamber volumes.
Additional tools include compression zone area calculations, mean effective pressure analysis, and crankshaft counterweight balancing. For scooter and moped enthusiasts, there are dedicated calculators for variator weights and fuel-oil mixing ratios, making it a versatile tool for various vehicle types. Beyond basic engine math, 2-Stroke Calc offers advanced features like carburetor jet correction for altitude and temperature adjustments, gear ratio calculators for shift points, and Blair expansion chamber exhaust pipe design previews.
How to install the app
- Check the version, Android compatibility, developer and source in the app details block.
- Open the Downloads tab and use the official source or an available catalog link.
- Before installing, review app permissions and use only sources you trust.
Frequently asked questions
What calculations does 2-Stroke Calc support?
It supports port timing, ignition timing, compression ratios, combustion chamber volume, mean effective pressure, and crankshaft balancing.
Is 2-Stroke Calc suitable for scooters and mopeds?
Yes, it includes specific calculators for variator weights, fuel-oil mixing ratios, and gear shifts tailored for scooters and mopeds.
Does the app require an internet connection?
No, all calculations are processed locally on your Android device, so no internet connection is needed for the core features.
What languages are supported in the app?
The application currently supports English and German for its user interface and help sections.
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