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Boost Horsepower Calculator
Calculate estimated engine horsepower increase from turbocharger or supercharger boost pressure
Boost Formula: $\text{Boosted HP} = \text{Baseline HP} \times \left(\frac{14.7 + \text{Boost PSI}}{14.7}\right) \times \text{Volumetric Efficiency}$. Enter your engine baseline specs below.
Engine & Boost Specifications Input
Calculation Results
⚠️ Calculations assume standard sea-level atmospheric pressure (14.7 PSI) and adequate fuel system and intercooling capacity.