How to Size Air Compressor Tanks

What do air tanks do?  Air Tanks help the compressor cycle less which reduces related maintenance costs on the inlet of the compressor as well as reduce the amount of energy being consumed by the compressor motor.

How large should I size my air tank? It is recommended to have a minimum of 2 gallons of storage per every CFM and we highly recommend having 4 gallons of storage per CFM.

Here is a quick sheet showing the air compressor horsepower, average CFM or output and recommended tank size;