gpm to cfm converter

1 US gallons per minute equals 0.13368056 cubic feet per minute. Conversions use cfm = gpm × 0.133681

gpm → 0.13368056 cfm

cfm = gpm × 0.133681

Converter

Worked examples

1 gpm = 0.13368056 cfm
2 gpm = 0.26736111 cfm
5 gpm = 0.66840278 cfm
10 gpm = 1.336806 cfm
100 gpm = 13.368056 cfm

US gallons per minute to cubic feet per minute conversion table

gpm	cfm	Arithmetic
1 gpm	0.13368056 cfm	× 0.133681
2 gpm	0.26736111 cfm	× 0.133681
3 gpm	0.40104167 cfm	× 0.133681
4 gpm	0.53472222 cfm	× 0.133681
5 gpm	0.66840278 cfm	× 0.133681
6 gpm	0.80208333 cfm	× 0.133681
8 gpm	1.069444 cfm	× 0.133681
10 gpm	1.336806 cfm	× 0.133681
12 gpm	1.604167 cfm	× 0.133681
15 gpm	2.005208 cfm	× 0.133681
20 gpm	2.673611 cfm	× 0.133681
25 gpm	3.342014 cfm	× 0.133681
30 gpm	4.010417 cfm	× 0.133681
40 gpm	5.347222 cfm	× 0.133681
50 gpm	6.684028 cfm	× 0.133681
60 gpm	8.020833 cfm	× 0.133681
70 gpm	9.357639 cfm	× 0.133681
80 gpm	10.694444 cfm	× 0.133681
90 gpm	12.03125 cfm	× 0.133681
100 gpm	13.368056 cfm	× 0.133681

How to convert gpm to cfm

Take your value in US gallons per minute.
Multiply by 0.133681
That is your answer in cubic feet per minute — no rounding needed until you choose a display precision.

Related conversions

cfm to gpm L/min to cfm L/s to cfm m³/h to cfm cfm to L/min cfm to L/s cfm to m³/h cfm to gph gpm to L/min all flow rate units

Questions

How many cubic feet per minute in 1 US gallons per minute?

Exactly 0.13368056 cfm. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert gpm to cfm?

Multiply the US gallons per minute figure by 0.133681 — or use the converter above, which updates as you type.

Is gpm to cfm the same as cfm to gpm?

No — they are inverses. One gpm is 0.13368056 cfm, while one cfm is 7.480519 gpm.

What is 1 gpm in cfm?

1 gpm = 0.13368056 cfm (see the value page for the full arithmetic).