// multi-utility computation suite · offline · instant · precise
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tool.air-compressor-sizing Calculator
Sizes an air compressor by calculating required tank volume and CFM from the tools to be used simultaneously and their duty cycle. An undersized compressor can't maintain pressure under continuous demand — this prevents the most common workshop mistake.
Inputs
Tool1 Cfm
Reference formula or conversion factor shown for context.
Tool2 Cfm
Reference formula or conversion factor shown for context.
Duty Cycle Pct
Fraction of each period the signal is active, as a percentage. 50% = symmetric square wave. Controls average power delivered.
Altitude Ft
Reference formula or conversion factor shown for context.
Results
compressor CFM needed
Sample size or count used in the calculation.
peak demand CFM
Sample size or count used in the calculation.
at
The value at the specified point or condition.
altitude correction
Sample size or count used in the calculation.
tank size recommend
Sample size or count used in the calculation.
PSI rating
A standardised quality or risk rating on the applicable scale.