CC to HP Calculator
Enter engine displacement in cubic centimeters (CC) and convert it to horsepower (HP), or convert HP back to CC. Supports multiple engine type assumptions.
Results
Estimated Horsepower
—
Estimates Across Common Engine Types
| Engine Type | CC/HP Ratio | Estimated HP |
|---|
CC ↔ HP Conversion Table (HP = CC ÷ 15)
CC to HP
| CC | HP |
|---|
HP to CC
| HP | CC |
|---|
Formulas: HP = CC ÷ 15 and CC = HP × 15.
Convert CC to Horsepower and Back
Enter an engine's displacement in cubic centimeters and get an estimated horsepower figure — or flip the direction and convert horsepower back to CC. Two-way conversion in one tap.
Useful when comparing motorcycles, small engines, and cars across markets that quote different specs. The estimate uses standard industry ratios, computed instantly in your browser.
Two-way conversion
Switch between CC-to-HP and HP-to-CC modes with one tap — both directions supported.
Built for engine shoppers
Compare bikes, ATVs, and small engines across regions that publish different displacement and power figures.
Estimate, not a dyno
CC-to-HP conversion uses a general ratio — actual power depends on tuning, compression, and design. Treat the result as an estimate for comparison.
How to use
- Pick CC-to-HP or HP-to-CC mode.
- Enter the engine figure.
- Click Calculate to see the converted estimate.
Frequently Asked Questions
How are CC and HP related?
There is no exact formula — horsepower depends on engine design, not just displacement. The calculator uses a widely used industry ratio to produce an estimate.
Can I convert HP back to CC?
Yes. Switch to HP-to-CC mode and enter the horsepower to estimate the displacement.
Is the result exact?
No — it is an estimate. Turbocharging, tuning, and engine design mean two same-displacement engines can differ hugely in power.
Is my input sent anywhere?
No. The conversion runs entirely in your browser.
Is the calculator free?
Yes, free with no signup.
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