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How much air do I need?

Air Tool Consumption Guide

It is always best to check the specifications with your tool manufacturer, but if this information is not available, this air tool consumption list will provide a rough guideline.

A common question we get revolves around how much air a particular tool uses. Whether it’s a impact gun, grinder or breaker, there are various ranges of air consumption each of these tools use. Below is a rough guide on common air tools in various sizes. This is only a guide. The tool manufacturer will have exact specifications for each model.

Types of Pneumatic ToolsMAX ACFM @ 90psi Pavement-BreakerCFM Requirement
at 100% Duty Cycle
1″ Impact Wrench 45 – 65Sullair
3/4″ Impact Wrench30 – 4030 lb.37
1/2″ Impact Wrench 25 – 40 45 lb.48
1/4″ Impact Wrench10 – 2060 lb.49
#5 Spline Impact Wrench40 – 9590 lb.62
1/2” Ratchet15 – 20Chicago Pneumatic
1/4” Ratchet10 – 2025 lb.48
3/8” Ratchet10 – 2045 lb.56
1 1/4” Drill60 – 10060 lb.68 – 75
1/2” Drill25 – 3590 lb.85
Angle Grinders (4”)17 – 37American Pneumatic
Angle Grinders (5”)17 – 6830 lb.34 – 38
Angle Grinders (6”)24 – 7745 lb48
Angle Grinders (7”)24 – 9060 lb60 – 65
Angle Grinders (9”)80 – 9390 lb.75 – 80
1/4” Die Grinder8 – 32Atlas Copco
Vertical Grinder63 – 9330 lb.53
Screw Driver1845 lb.55
Rotary Sander17 – 3660 lb.64 – 68
Belt Sander25 – 4090 lb.74 – 83
Polishing Repair Sander20Ingersoll Rand
Polishing Sander28 – 3345 lb.49 – 58
Scalers5 – 1690 lb.85
Chipper5 – 10Airex
Needle Scaler5 – 1030 lb.38
Caulking Gun1745 lb.48 – 56
Hammer10 – 2560 lb.65
Chipping Hammer20 – 3090 lb.85
25 lb. Pavement Breaker49
35 lb. Pavement Breaker56
60 lb. Pavement Breaker70
90 lb. Pavement Breaker62 – 85
Spike Driver70 – 90
Clay Digger36 – 47
Pumps85 – 108
Shears15
Rivet Buster45
CoreDrill85
Concrete Vibrator65
Riveter5-10
Tire Buffer13
Saw85
Chop Saw85
Belly Saw55
Walk Behind Saw85
Chain Saw85
Gasket Scraper43
Rotary Drill19 – 47
Sinker Drill46 – 129
Scabbler24 – 28

To download a copy of this chart, click here.