Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Turbo Boost Pressure Calculator

Estimate the horsepower gain from adding turbo boost pressure to your engine. Use this to plan forced induction builds or compare different boost levels before dyno testing.

Base Horsepower (HP)

Boost Pressure (PSI)

Fill in the required fields to see your result.

Automotive

Horsepower from Torque Calculator

Calculate horsepower from torque (in lb-ft) and engine RPM using the classic HP = (torque × RPM) / 5252 formula. Use it to convert between dyno-measured torque curves and the more familiar horsepower figures that car spec sheets quote.

Torque (lb-ft)

RPM (RPM)

Fill in the required fields to see your result.

Key differences

	Turbo Boost Pressure Calculator	Horsepower from Torque Calculator
Category	Automotive	Automotive
Inputs required	2	2
Result	Boosted Power (HP)	Horsepower (HP)
What it does	Estimate the horsepower gain from adding turbo boost pressure to your engine. Use this to plan forced induction builds or compare different boost levels before dyno testing.	Calculate horsepower from torque (in lb-ft) and engine RPM using the classic HP = (torque × RPM) / 5252 formula. Use it to convert between dyno-measured torque curves and the more familiar horsepower figures that car spec sheets quote.