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US Gallons per Minute to Cubic Meters per Hour Converter

gpm → m³/h: type a value and the result appears instantly.

1 gpm = 0.227124707 m³/h
1 m³/h = 4.402867539 gpm
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How to convert US gallons per minute to cubic meters per hour

Use this formula:

m³/h = gpm × 0.227124707

Examples

gpm to m³/h conversion chart

US gallons per minute (gpm)cubic meters per hour (m³/h)
0.1 gpm0.0227125 m³/h
0.25 gpm0.0567812 m³/h
0.5 gpm0.113562 m³/h
1 gpm0.227125 m³/h
2 gpm0.454249 m³/h
3 gpm0.681374 m³/h
4 gpm0.908499 m³/h
5 gpm1.13562 m³/h
6 gpm1.36275 m³/h
7 gpm1.58987 m³/h
8 gpm1.817 m³/h
9 gpm2.04412 m³/h
10 gpm2.27125 m³/h
12 gpm2.7255 m³/h
15 gpm3.40687 m³/h
20 gpm4.54249 m³/h
25 gpm5.67812 m³/h
30 gpm6.81374 m³/h
40 gpm9.08499 m³/h
50 gpm11.3562 m³/h
60 gpm13.6275 m³/h
70 gpm15.8987 m³/h
75 gpm17.0344 m³/h
80 gpm18.17 m³/h
90 gpm20.4412 m³/h
100 gpm22.7125 m³/h
150 gpm34.0687 m³/h
200 gpm45.4249 m³/h
250 gpm56.7812 m³/h
500 gpm113.562 m³/h
1,000 gpm227.125 m³/h

About the units

US gallon per minute (gpm) is a US customary / imperial unit. 1 gpm = 3.785411784 L/min.

Cubic meter per hour (m³/h) is a metric (SI) unit. 1 m³/h = 16.66666667 L/min.

Frequently asked questions

How do I convert US gallons per minute to cubic meters per hour?
Multiply the value in gpm by 0.227124707.
How many cubic meters per hour are in 1 uS gallon per minute?
1 gpm = 0.227124707 m³/h.
What is 12 gpm in m³/h?
12 gpm = 2.7255 m³/h.
How do I convert cubic meters per hour to US gallons per minute?
Use the reverse converter: m³/h → gpm.

Flow Rate Converter →

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters