Estimate theoretical/shaft power from flow, pressure ratio and efficiency.
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Use the Compressor Power Calculator to estimate theoretical/shaft power from flow, pressure ratio and efficiency. The calculator uses Free air delivery, Inlet absolute pressure, Outlet absolute pressure, Inlet temperature and Heat capacity ratio k and reports theoretical/required power.
Read the result in the context of the selected units and pressure basis. For this tool, the primary outputs are theoretical/required power. Change one input at a time when comparing scenarios so the effect of each variable remains clear.
PneumaForge applies this verified method: Ideal/isentropic compression work with efficiency. The functional engine is shared with related tools in the compressor-thermo family, while this page solves the specific intent represented by air compressor power calculator.
Ideal/isentropic compression work with efficiencyReproducible example: start with the calculator's default values (Free air delivery = 5000; Inlet absolute pressure = 1.01325; Outlet absolute pressure = 8.01325; Inlet temperature = 20) and calculate the result. Then change the variable most relevant to your application and compare the new theoretical/required power against the baseline.
Ideal-gas estimate only; actual package power should use measured/CAGI datasheet specific power. Pressures absolute.
It is designed to estimate theoretical/shaft power from flow, pressure ratio and efficiency. The reported outputs are theoretical/required power.
The calculator uses Free air delivery, Inlet absolute pressure, Outlet absolute pressure, Inlet temperature and Heat capacity ratio k. Only use values that represent the same operating condition or design case.
The calculation follows: Ideal/isentropic compression work with efficiency. The page also states the assumptions that define where the method is valid.
Ideal-gas estimate only; actual package power should use measured/CAGI datasheet specific power. Pressures absolute.
Yes. PneumaForge converts supported units through canonical engineering units. For compressed-air reference flows and pressure bases, the reference pressure and temperature must also remain consistent.