Air Compressor Tools & Calculators
Free air compressor calculators: work out the CFM and tank size you need, how long a tank lasts between cycles, and convert airflow and pressure units.
Practical calculators to size and run your air compressor. No sign-up, no fluff, just the numbers you actually need.
- Air Compressor Size Calculator — pick the tools you’ll run and get the minimum CFM and tank size, with headroom built in.
- Tank Runtime Calculator — how long your tank delivers air before the pump has to catch up.
- Air Unit Converter — CFM ↔ L/min, PSI ↔ bar, and US gallons ↔ litres.