HP to CC Conversion Calculator

HP to CC Calculator

208 HP = 3,120 CC, enter your engine’s horsepower (HP) value and engine type (Gas or Diesel), the calculator will convert power to cubic centimeters (CC).

  • Inputs: Power = 150 HP, Type = Gas engine
  • Process: Enter 150 in HP field, select Gas engine
  • Result: 2,457 CC engine displacement

HP to CC Conversion Chart

Horsepower (HP)Cubic Centimeters (CC)
1 HP15 CC
5 HP75 CC
5.5 HP82.5 CC
6.5 HP97.5 CC
8 HP120 CC
10 HP150 CC
15 HP225 CC
20 HP300 CC
25 HP375 CC
30 HP450 CC
40 HP600 CC
50 HP750 CC
75 HP1,125 CC
100 HP1,500 CC
150 HP2,250 CC
163 HP2,445 CC
200 HP3,000 CC
208 HP3,120 CC
212 HP3,180 CC
250 HP3,750 CC
300 HP4,500 CC
400 HP6,000 CC
420 HP6,300 CC
500 HP7,500 CC
750 HP11,250 CC
1000 HP15,000 CC
1500 HP22,500 CC

How to Convert HP to CC

To convert horsepower to CCs, multiply the HP by conversion factor based on engine type. For gas engines, multiply HP by 16.38 for the approximate CC value. For diesel engines, use a factor of 14.75 due to different compression ratios and efficiency factors.

Motorcycle Engine Example:

  • Inputs: Power = 100 HP, Type = Gas engine
  • Calculations: 100 × 16.38 = 1,638 CC
  • Result: 1,638 CC engine displacement

HP to CC Conversion Formula

For Gas Engines:
CC = HP × 16.38

For Diesel Engines:
CC = HP × 14.75

Where:

HP = Engine horsepower
CC = Engine displacement in cubic centimeters

Small Car Engine

  • Inputs: Power = 85 HP, Type = Gas
  • Calculations: 85 × 16.38 = 1,392.3
  • Result: 1,392 CC

Large Truck Engine

  • Inputs: Power = 300 HP, Type = Diesel
  • Calculations: 300 × 14.75 = 4,425
  • Result: 4,425 CC

Sports Car Engine

  • Inputs: Power = 250 HP, Type = Gas
  • Calculations: 250 × 16.38 = 4,095
  • Result: 4,095 CC

High-Performance Bike

  • Inputs: Power = 180 HP, Type = Gas
  • Calculations: 180 × 16.38 = 2,948.4
  • Result: 2,948 CC

Commercial Van Engine

  • Inputs: Power = 140 HP, Type = Diesel
  • Calculations: 140 × 14.75 = 2,065
  • Result: 2,065 CC

What is HP and CC?

Horsepower (HP): A unit of power that measures the rate at which work is done. In engines, it indicates the maximum power output capability.

1 HP = 745.7 watts = 33,000 ft-lb/minute

Cubic Centimeters (CC): A measurement of engine displacement, representing the total volume of all cylinders in an engine’s combustion chambers.

1 CC = 1 cm³ = 0.061 cubic inches

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