Cubic meters per hour to US gallons per minute

Type a value in cubic meters per hour to see it in US gallons per minute straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the cubic meters per hour box.
  2. Read the result in US gallons per minute as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

gpm (US) = m³/h × 4.402867539

Multiply the value in cubic meters per hour by 4.402867539 to get US gallons per minute.

Example

To convert 25 m³/h to US gallons per minute: 25 × 4.402867539 = 110.072 gpm (US).

Conversion table

Cubic meters per hour (m³/h)US gallons per minute (gpm (US))
14.40287
28.80574
313.2086
522.0143
1044.0287
2088.0574
25110.072
50220.143
100440.287
2501,100.72
5002,201.43
1,0004,402.87

About the units

Cubic meter per hour
One cubic meter passing each hour, 1/3600 m³/s, the usual unit for water pumps and ventilation.
US gallon per minute
One US gallon (3.785411784 L) passing each minute, a common unit on US pump specifications.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many US gallons per minute are in one cubic meter per hour?

1 m³/h = 4.40287 gpm (US) exactly.

How do I convert cubic meters per hour to US gallons per minute?

Use gpm (US) = m³/h × 4.402867539. For example, 25 m³/h = 110.072 gpm (US).

How many cubic meters per hour are in one US gallon per minute?

1 gpm (US) = 0.227125 m³/h.

How do I convert liters per minute to US gallons per minute?

One US gallon per minute is exactly 3.785411784 L/min, so divide the liters figure by 3.785411784. For example, 20 L/min is about 5.28 US gpm.

What does CFM mean on AC units and fans?

CFM stands for cubic feet per minute and describes how much air a unit moves. One CFM equals 1.69901079552 cubic meters per hour or 0.4719474432 liters per second.