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PF-075 · Verified method

Air Compressor Duty Cycle Calculator

Calculate loaded percentage and allowable operating pattern.

Inputs

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ENGINEERING GUIDE

Use the Air Compressor Duty Cycle Calculator to calculate loaded percentage and allowable operating pattern. The calculator uses Loaded time and Unloaded/off time and reports duty cycle; load hours.

How to interpret the result

Read the result in the context of the selected units and pressure basis. For this tool, the primary outputs are duty cycle; load hours. Change one input at a time when comparing scenarios so the effect of each variable remains clear.

Formula and methodology

PneumaForge applies this verified method: Duty=loaded/(total). The functional engine is shared with related tools in the duty-cycle family, while this page solves the specific intent represented by air compressor duty cycle calculator.

Duty=loaded/(total)

Variables and inputs

  • Loaded time
  • Unloaded/off time

Worked example

Reproducible example: start with the calculator's default values (Loaded time = 30; Unloaded/off time = 30) and calculate the result. Then change the variable most relevant to your application and compare the new duty cycle; load hours against the baseline.

Assumptions and limits

Observation time must be >0. Separate loaded, unloaded and off states when provided.

Engineering tips

  • Use FAD or another clearly stated reference flow consistently across compressor comparisons.
  • Prefer measured package input power or CAGI/OEM data when comparing real machines.
  • Separate peak demand, average demand and redundancy requirements before selecting installed capacity.
  • Keep the inputs used for air compressor duty cycle calculator on a consistent engineering basis before comparing alternatives.

Frequently asked questions

What does the Air Compressor Duty Cycle Calculator calculate?

It is designed to calculate loaded percentage and allowable operating pattern. The reported outputs are duty cycle; load hours.

What inputs does the Air Compressor Duty Cycle Calculator use?

The calculator uses Loaded time and Unloaded/off time. Only use values that represent the same operating condition or design case.

What formula or method is used?

The calculation follows: Duty=loaded/(total). The page also states the assumptions that define where the method is valid.

Which assumptions can affect the result?

Observation time must be >0. Separate loaded, unloaded and off states when provided.

Can I use different units?

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.

Technical sources