Air Compressor Tank Fill Time Calculator
Estimate air-compressor receiver fill time between two gauge pressures using tank volume, delivered airflow, flow utilization, motor power and daily cycles.
Default project preview
2.27 minutes
Free air added
32.7 ft³ free air
Effective delivered flow
14.5 cfm
Energy per fill
0.211 kWh
Daily compressor runtime
27.2 min
Calculator
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Methodology
Transparent calculation
BuildMeter converts every input to a consistent internal unit, applies the selected allowance, and rounds products up to whole purchasable units.
Free air added = tank volume × pressure increase ÷ atmospheric pressure. Fill time = free air added ÷ effective delivered airflow. Energy uses motor input power × fill time.
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FAQ
Air Compressor Tank Fill Time Calculator questions
Why use delivered airflow instead of displacement?+
Delivered airflow at the operating pressure better represents usable compressor output after internal losses. Use manufacturer performance data near the target pressure.
What does flow utilization represent?+
It provides an editable reduction for real-world flow, temperature, controls and other losses. It is not a compressor efficiency certification.
Does tank size determine whether the compressor can run a tool?+
No. Tool demand, compressor duty cycle, delivered airflow and pressure recovery determine sustained performance. The tank mainly buffers short demand changes.