How to Convert GPH to CFM
To convert gph to cfm, divide the value by 448.832.
The Formula
CFM = GPH ÷ 448.832
Key Fact
1 cubic foot per minute = 448.832 gph
Tip: To convert cfm back to gph, multiply by 448.832.
GPH to CFM
Convert gph (GPH) to cfm (CFM) with formulas, examples, and conversion tables.
GPH
CFM
1 GPH = 0.002228 CFM
Full precision:0.002228 CFM
Step-by-Step Solution
To convert 1 gph to cfm, we divide by 448.832 because one cubic foot per minute equals exactly 448.832 gph.
1 cubic foot per minute = 448.832 gph
Since there are 448.832 gph in every cubic foot per minute, we divide our value by this factor:
1 ÷ 448.832 = 0.002228 cfm
So 1 gph = 0.002228 cfm.
Quick check: 0.002228 × 448.832 = 1 gph
Example Conversions
Example 1: 1 GPH = 0.002228 CFM
1 ÷ 448.832 = 0.002228
1 ÷ 448.832 = 0.002228
Example 2: 5 GPH = 0.01114 CFM
5 ÷ 448.832 = 0.01114
5 ÷ 448.832 = 0.01114
Example 3: 10 GPH = 0.02228 CFM
10 ÷ 448.832 = 0.02228
10 ÷ 448.832 = 0.02228
GPH to CFM Table
| GPH | CFM |
|---|---|
| 1 GPH | 0.002228 CFM |
| 2 GPH | 0.004456 CFM |
| 5 GPH | 0.01114 CFM |
| 10 GPH | 0.02228 CFM |
| 20 GPH | 0.04456 CFM |
| 25 GPH | 0.0557 CFM |
| 50 GPH | 0.1114 CFM |
| 100 GPH | 0.2228 CFM |
| 250 GPH | 0.557 CFM |
| 500 GPH | 1.114 CFM |
| 1000 GPH | 2.228 CFM |
1 Gallon per Hour (US) in Other Units
| Unit | 1 GPH = |
|---|---|
| GPH to m³/s | 0.00000105 m³/s |
| GPH to m³/min | 0.00006309 m³/min |
| GPH to m³/h | 0.0037854 m³/h |
| GPH to L/s | 0.0010515 L/s |
| GPH to L/min | 0.06309 L/min |
| GPH to L/h | 3.7854 L/h |
| GPH to ft³/s | 0.00003713 ft³/s |
| GPH to CFM | 0.002228 CFM |
| GPH to GPM | 0.016667 GPM |
| GPH to GPM (UK) | 0.013878 GPM(UK) |