Calcul years Subaru cars

Calculate the tax horsepower

Our formula used in Spain to calculate tax horsepower of four stroke engine

\[Fiscal power = 0.08*(0.785*D^2*R)^{0.6}*N]

  • D= Cilinder diameter
  • R= Travel
  • N= number of cilinder

Cilinder diametre (cm):

Travel (Km):

Cilinder number (number):

Tax Horsepower (number):