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About AutoTech
AutoTech is an automotive calculator that offers the mechanic, technician or enthusiast quick computation of 45+ formulas in the areas of aerodynamics, chassis, drivetrain, engine, performance, suspension, and tires. Supports both U.S. and metric units.
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Was ist neu in der neuesten Version 1.5
Last updated on Jan 7, 2026
Alte Versionen
New Drivetrain Calculation:
- RPM (from speed, axle gear ratio, transmission gear ratio, and tire diameter)
New Engine Calculations:
- Valve Spring Open Pressure
- Valve Spring Rate
Fixed an issue in the Unit Converter where Weight was not being shown as an option.
- RPM (from speed, axle gear ratio, transmission gear ratio, and tire diameter)
New Engine Calculations:
- Valve Spring Open Pressure
- Valve Spring Rate
Fixed an issue in the Unit Converter where Weight was not being shown as an option.
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Version History
1.5
Apr 11, 2023
New Drivetrain Calculation:
- RPM (from speed, axle gear ratio, transmission gear ratio, and tire diameter)
New Engine Calculations:
- Valve Spring Open Pressure
- Valve Spring Rate
Fixed an issue in the Unit Converter where Weight was not being shown as an option.
- RPM (from speed, axle gear ratio, transmission gear ratio, and tire diameter)
New Engine Calculations:
- Valve Spring Open Pressure
- Valve Spring Rate
Fixed an issue in the Unit Converter where Weight was not being shown as an option.
1.4
Aug 26, 2020
Dark mode support.
New Drivetrain section that includes:
- Axle Speed
- Driveshaft Critical Speed
- Gear Ratio
- Rear Wheel Torque
- RPM After Shift
New Engine Calculations:
- Deck Height Clearance
- Valve Curtain Area
New Density category in Unit Converter.
New Drivetrain section that includes:
- Axle Speed
- Driveshaft Critical Speed
- Gear Ratio
- Rear Wheel Torque
- RPM After Shift
New Engine Calculations:
- Deck Height Clearance
- Valve Curtain Area
New Density category in Unit Converter.
1.3
Oct 15, 2016
Modernized user interface.
New engine calculation: Supercharger Temperature Gain.
Additional information provided for:
- Brake Mean Effective Pressure
- Effective Drive Ratio
- Equivalent Drive Ratio
- Power Loss at Elevation
New engine calculation: Supercharger Temperature Gain.
Additional information provided for:
- Brake Mean Effective Pressure
- Effective Drive Ratio
- Equivalent Drive Ratio
- Power Loss at Elevation
1.2
Sep 9, 2013
Four new calculations:
- Aerodynamic Lift-Induced Drag
- Injector Flow Rate
- Port Velocity
- Wheel Rate
Additional information provided for:
- Combustion Chamber Volume
- Piston Speed
- Tire Size
Supports larger 4-inch screen on iPhone 5 and iPod touch.
Other minor enhancements and internal improvements.
- Aerodynamic Lift-Induced Drag
- Injector Flow Rate
- Port Velocity
- Wheel Rate
Additional information provided for:
- Combustion Chamber Volume
- Piston Speed
- Tire Size
Supports larger 4-inch screen on iPhone 5 and iPod touch.
Other minor enhancements and internal improvements.
1.1
Oct 20, 2011
Two new engine calculations:
- Optimum Intake Runner Size
- Peak Torque RPM
Now includes a unit converter!
Added a tire speed rating chart.
Fixed an issue with iOS 5.
- Optimum Intake Runner Size
- Peak Torque RPM
Now includes a unit converter!
Added a tire speed rating chart.
Fixed an issue with iOS 5.
1.0
Dec 21, 2010
AutoTech Preis
Heute:
1,99 €
Am günstigsten:
1,99 €
Am teuersten:
2,49 €
AutoTech FAQ
AutoTech ist in anderen Regionen außerhalb der folgenden eingeschränkten Ländern verfügbar:
Greece,Hungary,Austria,Portugal,Slovenia,Netherlands,Bulgaria,Lithuania,Denmark,Sweden,Luxembourg,Ireland,Latvia,Belgium,Italy,Czech Republic,Romania,Malta,Cyprus,France,Estonia,Spain,Slovakia,Finland,Croatia,Poland,Germany
AutoTech unterstützt Englisch
Klicken Sie hier, um zu erfahren, wie Sie AutoTech in eingeschränkten Ländern oder Regionen herunterladen können.
Überprüfen Sie die folgende Liste, um die Mindestanforderungen von AutoTech zu sehen.
iPhone
Erfordert iOS 12.0 oder neuer.
iPod touch
Erfordert iOS 12.0 oder neuer.
