// multi-utility computation suite · offline · instant · precise
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sport.turbocharger-boost-power Calculator
Calculates the power gain from a turbocharger at a given boost pressure relative to atmospheric, accounting for compressor efficiency and intercooler temperature drop. A rule of thumb: every 1 psi of boost adds roughly 1–2% power on a well-tuned engine.
Inputs
Naturally Aspirated Hp
Rate of energy transfer (W). P = V×I (electrical). P = F×v (mechanical). 1 horsepower ≈ 746 W.
Boost Pressure Psi
Force per unit area (Pa). Atmospheric pressure at sea level: 101,325 Pa. Check whether gauge or absolute pressure is required.
Atmospheric Pressure Psi
Force per unit area (Pa). Atmospheric pressure at sea level: 101,325 Pa. Check whether gauge or absolute pressure is required.
Intercooler Eff Pct
Useful output divided by total input, as a percentage. 100% is impossible due to losses (heat, friction, resistance).
Results
turbocharged power (hp)
Reference formula or conversion factor shown for context.
power gain
The improvement or increase over the baseline.
pressure ratio
The proportional relationship between two quantities.
density ratio with intercooler
The proportional relationship between two quantities.
boost pressure
Reference formula or conversion factor shown for context.
rule of thumb
A widely used practical approximation or heuristic for this field — useful for quick estimates but not a substitute for rigorous calculation.