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Volumetric Flow Rate

gph (US)togpm (US)

Convert US gallons per hour (gph (US)) to US gallons per minute (gpm (US)).

Factor1 gph (US) = 0.01666667 gpm (US)

Converter

gph (US)

Accepts numbers or expressions, e.g. 150 + 14.7

Result
10gpm (US)

Rendered to 6 significant figures.

Formula

Formula
gpm (US) = gph (US) × 0.01666667

Multiply any value in US gallons per hour by 0.01666667 to obtain the value in US gallons per minute.

Worked example

Convert 600 gph (US) to gpm (US).

  1. 01Start with 600 gph (US).
  2. 02Multiply by the conversion factor: 600 × 0.01666667 = 10 gpm (US).
Result600 gph (US) = 10 gpm (US)

Conversion table

gph (US)gpm (US)
10.016667
20.033333
50.083333
100.16667
200.33333
500.83333
1001.6667
2003.3333
5008.3333
100016.667

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from gph (US) to gpm (US)?
1 gph (US) equals 0.01666667 gpm (US). To convert, multiply the value in US gallons per hour by 0.01666667.
How do I convert 1 gph (US) to gpm (US)?
1 gph (US) = 0.0166667 gpm (US). For any value, multiply by 0.01666667.
How do I convert gpm (US) back to gph (US)?
Divide by the same factor — or equivalently, multiply by 60. So 1 gpm (US) = 60 gph (US).
When would I need to convert US gallon per hour to US gallon per minute?
Flow-rate conversions show up in pump curve interpretation, control valve sizing (Cv vs Kv), and aligning vendor specifications with process simulation outputs. gph (US) to gpm (US) is a frequently needed conversion for flow datasheet preparation.
Is the conversion exact?
Yes. Both gph (US) and gpm (US) are defined by exact SI relationships, so the displayed factor is exact (any rounding shown is only for display).

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