Home Back

Cc Converted To Horsepower Calculator

Engine Displacement to Horsepower Formula:

\[ HP \approx \frac{CC}{15-20} \text{ (rule of thumb for engines)} \]

cubic centimeters

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the CC to Horsepower Conversion?

The CC to horsepower conversion is a rule of thumb used to estimate engine power output based on displacement. Cubic centimeters (CC) measure engine volume, while horsepower (HP) measures power output. This conversion provides a rough estimate for various engine types.

2. How Does the Calculator Work?

The calculator uses the engine displacement to power formula:

\[ HP \approx \frac{CC}{15-20} \text{ (rule of thumb for engines)} \]

Where:

Explanation: The conversion factor varies based on engine design, technology, and efficiency. Modern high-performance engines typically use lower factors (15-17), while older or less efficient engines use higher factors (18-20).

3. Importance of Engine Power Estimation

Details: Accurate power estimation is crucial for vehicle performance assessment, engine tuning, comparison shopping, and understanding engine capabilities for various applications.

4. Using the Calculator

Tips: Enter engine displacement in cubic centimeters (CC) and select an appropriate conversion factor based on engine type and technology. Higher performance engines use lower conversion factors.

5. Frequently Asked Questions (FAQ)

Q1: Why is this only an estimate?
A: Actual horsepower depends on many factors including engine design, compression ratio, fuel system, and efficiency. This provides a rough approximation.

Q2: What conversion factor should I use?
A: Use 15 for high-performance engines, 17.5 for average modern engines, and 20 for older or less efficient engines.

Q3: How accurate is this conversion?
A: Accuracy varies significantly. Modern engines with turbocharging or advanced technology may produce much more power than this estimate suggests.

Q4: Can I use this for all engine types?
A: This works best for gasoline piston engines. Diesel engines, rotary engines, and electric motors require different calculation methods.

Q5: Why do different engines have different power outputs for the same displacement?
A: Factors like turbocharging, valve timing, fuel injection, compression ratio, and engine breathing efficiency significantly affect power output.

Cc Converted To Horsepower Calculator© - All Rights Reserved 2025