Use this CC to HP Calculator to convert cubic centimeters (cc) to horsepower (hp), also this tool helps in HP to CC conversion.
This calculator is particularly useful in the automotive and motorcycle industries, where engine sizes are often measured in cubic centimeters, but performance is typically expressed in horsepower.
CC to HP Conversion
Let’s do some sample calculations using the HP to CC Calculator : HP = (CC * RPM) / 15,000
| Engine Size (CC) | RPM | Calculated HP | Realistic HP Range* |
|---|---|---|---|
| 50 cc | 7,000 | 23.3 HP | 2-5 HP |
| 125 cc | 8,000 | 66.7 HP | 10-15 HP |
| 250 cc | 9,000 | 150 HP | 20-40 HP |
| 500 cc | 10,000 | 333.3 HP | 40-70 HP |
| 1000 cc | 7,000 | 466.7 HP | 100-200 HP |
| 1500 cc | 6,000 | 600 HP | 120-250 HP |
| 2000 cc | 5,500 | 733.3 HP | 150-350 HP |
| 3000 cc | 5,000 | 1000 HP | 200-500 HP |
| 5000 cc | 4,500 | 1500 HP | 300-700 HP |
- The calculated HP increases linearly with both CC and RPM, as per our formula.
- Smaller engines (50-250 cc) tend to run at higher RPMs, which is typical for motorcycles and small vehicles.
- Larger engines (2000 cc and above) generally operate at lower RPMs but produce more power due to their size.
- The realistic HP range is significantly lower than the calculated HP in most cases, especially for larger engines. This highlights the limitations of our simplified formula.
- The difference between calculated and realistic HP grows larger as engine size increases, showing that factors like efficiency, engine design, and power loss become more significant in larger engines.
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CC to HP Conversion Formula
Converting cc to hp is not a straightforward process, as the relationship between engine displacement and power output can vary significantly depending on various factors.
However, a general formula used for rough estimations is:
HP = (CC * RPM) / 15,000
In this formula:
- HP is the horsepower
- CC is the engine displacement in cubic centimeters
- RPM is the engine’s revolutions per minute
| CC | Calculated HP (at 6,000 RPM) | Estimated Realistic HP Range* |
|---|---|---|
| 420 cc | 168 HP | 30-50 HP |
| 150 cc | 60 HP | 12-18 HP |
| 250 cc | 100 HP | 20-35 HP |
| 160 cc | 64 HP | 13-20 HP |
| 357 cc | 142.8 HP | 25-45 HP |
| 342 cc | 136.8 HP | 25-40 HP |
| 1500 cc | 600 HP | 100-250 HP |
| 1000 cc | 400 HP | 80-180 HP |
| HP | Calculated CC (at 6,000 RPM) | Estimated Realistic CC Range* |
|---|---|---|
| 6.5 HP | 16.25 cc | 50-100 cc |
| 5.5 HP | 13.75 cc | 40-80 cc |
| 6 HP | 15 cc | 45-90 cc |
| 10 HP | 25 cc | 80-150 cc |
| 8 HP | 20 cc | 60-120 cc |
Cc to horsepower ratio
The cc to horsepower ratio is not a fixed value and can vary widely depending on the engine’s design, efficiency, and purpose.
Modern engines tend to have a higher horsepower output per cc compared to older engines due to technological advancements.
Some general observations about cc to horsepower ratios include:
- Motorcycle engines often have a higher hp per cc ratio compared to car engines.
- High-performance engines (such as those in sports cars or racing vehicles) typically have higher ratios.
- Diesel engines generally have lower hp per cc ratios compared to gasoline engines.
It’s crucial to remember that these are generalizations, and individual engines can deviate significantly from these patterns.
How many cc’s is 100 hp?
100 = (CC 5,000) / 15,000 CC = (100 15,000) / 5,000 CC = 300
To determine how many cc’s equate to 100 hp, we need to consider the engine’s efficiency and RPM. Using the formula mentioned earlier and assuming an average RPM of 5,000, we can estimate:
Approximately 300 cc could produce 100 hp at 5,000 RPM in a highly efficient engine. This is a simplified calculation, and in reality, the cc required for 100 hp can vary greatly. For example:
- A high-performance motorcycle engine might achieve 100 hp with less than 300 cc.
- A standard car engine might require 1,000 cc or more to produce 100 hp.
What is 150cc in horsepower?
HP = (150 * 6,000) / 15,000 HP = 60
Converting 150cc to horsepower depends on the engine’s efficiency and RPM. Using our simplified formula and assuming an average RPM of 6,000:
This calculation suggests that a 150cc engine operating at 6,000 RPM could produce about 60 horsepower. However, real-world values can differ:
- A high-performance 150cc motorcycle engine might produce 15-20 hp.
- A standard 150cc scooter engine might produce 8-12 hp.
These variations highlight the importance of considering factors beyond just engine displacement when estimating horsepower.
What is 2000 cc in horsepower?
HP = (2000 * 5,500) / 15,000 HP = 733.33
For a 2000cc (or 2-liter) engine, the horsepower can vary significantly based on the engine’s design and purpose. Using our simplified formula with an assumed RPM of 5,500:
This calculation suggests an output of about 733 horsepower, which is unrealistically high for most 2000cc engines. In practice:
- A standard 2000cc car engine might produce between 120-180 hp.
- A high-performance 2000cc engine in a sports car could produce 250-350 hp or more.
- A turbocharged 2000cc engine in a race car might exceed 500 hp.
