cfm to gph converter

1 cubic feet per minute equals 448.831 US gallons per hour. Conversions use gph = cfm × 448.83

cfm → 448.831 gph

gph = cfm × 448.83

Converter

Worked examples

1 cfm = 448.831 gph
2 cfm = 897.662 gph
5 cfm = 2,244.16 gph
10 cfm = 4,488.31 gph
100 cfm = 44,883.12 gph

cubic feet per minute to US gallons per hour conversion table

cfm	gph	Arithmetic
1 cfm	448.831 gph	× 448.83
2 cfm	897.662 gph	× 448.83
3 cfm	1,346.49 gph	× 448.83
4 cfm	1,795.32 gph	× 448.83
5 cfm	2,244.16 gph	× 448.83
6 cfm	2,692.99 gph	× 448.83
8 cfm	3,590.65 gph	× 448.83
10 cfm	4,488.31 gph	× 448.83
12 cfm	5,385.97 gph	× 448.83
15 cfm	6,732.47 gph	× 448.83
20 cfm	8,976.62 gph	× 448.83
25 cfm	11,220.78 gph	× 448.83
30 cfm	13,464.94 gph	× 448.83
40 cfm	17,953.25 gph	× 448.83
50 cfm	22,441.56 gph	× 448.83
60 cfm	26,929.87 gph	× 448.83
70 cfm	31,418.18 gph	× 448.83
80 cfm	35,906.49 gph	× 448.83
90 cfm	40,394.81 gph	× 448.83
100 cfm	44,883.12 gph	× 448.83

How to convert cfm to gph

Take your value in cubic feet per minute.
Multiply by 448.83
That is your answer in US gallons per hour — no rounding needed until you choose a display precision.

Related conversions

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

Questions

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

Exactly 448.831 gph. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert cfm to gph?

Multiply the cubic feet per minute figure by 448.83 — or use the converter above, which updates as you type.

Is cfm to gph the same as gph to cfm?

No — they are inverses. One cfm is 448.831 gph, while one gph is 0.0022280093 cfm.

What is 1 cfm in gph?

1 cfm = 448.831 gph (see the value page for the full arithmetic).