What CFM Do Air Tools Need? What to Know
How to determine the CFM your air tools need: continuous vs intermittent air demand, operating pressure at 90 PSI, and compressor sizing rules.
Air Tools
Air tools for the garage: impact wrenches, air ratchets, die grinders, cut-off tools, DA sanders, spray guns and blow guns. Each guide lists drive size, rated torque and the CFM at 90 PSI the tool needs.
Air Compressor CFM Calculator
Open the calculatorPick the air tools you run and get the CFM at 90 PSI and tank size to shop for.
How to Use Air Impact Wrench: Step-by-Step Shop Guide
How to set up and operate an air impact wrench safely: air line pressure, lubrication, socket selection, directional controls and step-by-step fastening technique.
DA Sander vs Orbital Sander: Which One Should You Buy?
How dual action sanders differ from standard orbital sanders: motion patterns, swirl-free finishing, air and electric power, and which tool fits your garage.
Best Air Hammer for Automotive: 5 Picks by Stroke, BPM and Air Demand
Five automotive air hammers and chisel sets compared by stroke length, blows per minute, CFM air requirements, weight and warranty terms.
DA Sander with Vacuum: 3 Picks for Dust-Free Sanding (2026)
Three dual action and orbital sanders with vacuum connections or dust bags compared by pad size, speed, dust collection, power source and warranty.
Best Air Hammer: 5 Pneumatic Hammers Compared
Five air hammers for garage and shop cutting, scraping and repair work, compared by stroke length, BPM, air consumption, included chisels and warranty.
Best Air Ratchet: 6 3/8 in Ratchets by Torque, Speed and Noise
Six 3/8 in drive air ratchets compared by maximum torque, free speed, stated air use, noise, length, weight and warranty, from 50 to 130…
Best Air Impact Wrench: 6 Half-Inch Guns by Torque and Air Use
Six 1/2 in pneumatic impact wrenches compared by nut-busting and working torque, free speed, stated air use at 90 PSI, weight, length and warranty.