Cubic centimeters are a measure of volume. Horsepower is the English Unit of a measure of work done in a certain amount of time. There is no conversion from cubic centimeters to horsepower. Neither is there a conversion from cubic centimeters to watts, which is the metric system unit of measurement for power.
the cubic centimeters of 6.5 horse power is 175 cc
I don't think that horse power and cubic centimeters are directly proportional. Horsepower is a unit of measurement for work. However, cubic centimeters is one part of the equation of the output of a conventional gasoline engine, other parts would be air input, exhaust output, fuel ratio, etc...
1,000,000 cubic centimeters
1728 cubic inches = 28316.8 cubic centimeters
22,653,477.3 cubic centimeters.
28,316.85 cubic centimeters.
2,359.7 cubic centimeters.
15
0.00317 cubic meters = 1000000 x 0.00317 cubic centimeters = 3170 cubic centimeters
1,250 cubic centimeters = 76.3 cubic inches
8477 cubic centimeters are 517.298278691 cubic inches.
18.2 cubic feet = 515,366.61 cubic centimeters.