m³/hour to Gallons/min (US) Converter
Convert m³/hour to gallons/min (us) instantly. Exact factor: 1 m3h = 4.403 gpm.
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Convert m³/hour to gallons/min (us)
The exact conversion factor is 1 m3h = 4.403 gpm. Type any value and the result updates instantly; the math is shown beneath the board.
Worked by hand
Multiply the m³/hour value by 4.403 to get gallons/min (us).
Worked example
- Take 1 m3h
- multiply by 4.403
- the result is 4.403 gpm
How to use it
- Enter your m³/hour
- Read the gallons/min (us) result
- Check the factor line to verify by hand
Frequently asked questions
How many gallons/min (us) are in one m³/hour?
Exactly 4.403 gpm, by the SI/NIST definition.
How do I convert gallons/min (us) back to m³/hour?
Divide by 4.403 — or use the full converter where both directions are one click.
Is this rounding or exact?
The factor is exact; only the displayed decimals are rounded.