Cylinder to Horsepower Converter

Convert engine displacement (cc/liters) to horsepower with accurate formulas for different engine types.

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About This Tool

This tool converts engine displacement (measured in cubic centimeters or liters) to horsepower (HP) using industry-standard formulas. It supports three engine types: naturally aspirated, turbocharged, and supercharged engines, each with different conversion factors. Simply enter your engine's displacement, select the engine type, and get instant horsepower calculation with the formula used. Perfect for automotive enthusiasts, mechanics, and engineers.

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How to Use

Enter engine displacement in either cubic centimeters (cc) or liters (L)
Select your engine type from the dropdown (naturally aspirated, turbocharged, or supercharged)
Click the 'Calculate Horsepower' button
View your result with detailed conversion information
Use the 'New Calculation' button to convert another value

Frequently Asked Questions

Find Quick Answers

What is engine displacement?

Engine displacement is the total volume of all cylinders in an engine, typically measured in cubic centimeters (cc) or liters (L). It indicates the engine's size and potential power output.

How accurate is this conversion?

The conversion uses industry-standard formulas: naturally aspirated engines use 1 HP per 15-17 cc, turbocharged use 1 HP per 12-14 cc, and supercharged use 1 HP per 10-12 cc. Actual horsepower may vary based on engine design, fuel, and other factors.

Can I convert liters to horsepower?

Yes! The tool automatically handles both cc and liters. Just enter your value (e.g., 2.0 for 2.0L) and the tool will convert it correctly.

Why are there different formulas for different engine types?

Turbocharged and supercharged engines force more air into the cylinders, allowing them to produce more power from the same displacement compared to naturally aspirated engines.

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