Gallons per Hour to Gallons per Minute Converter

How to convert gallons per hour to gallons per minute

Formulagpm = gph × 0.01666666667

Because one US gallon per minute equals 60 gallons per hour, you can also divide: gpm = gph ÷ 60.

An US gallon per hour is smaller than an US gallon per minute: it takes 60 gallons per hour to make one US gallon per minute.

Worked examples

1 US gallon per hour1 gph × 0.01666666667 = 0.01666666667 gpm
5 gallons per hour5 gph × 0.01666666667 = 0.08333333333 gpm
10 gallons per hour10 gph × 0.01666666667 = 0.1666666667 gpm
20 gallons per hour20 gph × 0.01666666667 = 0.3333333333 gpm
100 gallons per hour100 gph × 0.01666666667 = 1.666666667 gpm

Gallons per hour to gallons per minute conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Gallons per hour to gallons per minute: 0.1–10 gph
Gallons per hour (gph)	Gallons per minute (gpm)
0.1 gph	0.0016666667 gpm
0.25 gph	0.0041666667 gpm
0.5 gph	0.0083333333 gpm
1 gph	0.016666667 gpm
2 gph	0.033333333 gpm
3 gph	0.05 gpm
4 gph	0.066666667 gpm
5 gph	0.083333333 gpm
6 gph	0.1 gpm
7 gph	0.11666667 gpm
8 gph	0.13333333 gpm
9 gph	0.15 gpm
10 gph	0.16666667 gpm

Gallons per hour to gallons per minute: 12–1,000 gph
Gallons per hour (gph)	Gallons per minute (gpm)
12 gph	0.2 gpm
15 gph	0.25 gpm
20 gph	0.33333333 gpm
25 gph	0.41666667 gpm
30 gph	0.5 gpm
40 gph	0.66666667 gpm
50 gph	0.83333333 gpm
75 gph	1.25 gpm
100 gph	1.6666667 gpm
250 gph	4.1666667 gpm
500 gph	8.3333333 gpm
1,000 gph	16.666667 gpm

About the units

US gallon per hour (gph)

The US gallon per hour (gph) is a unit of volumetric flow rate in the US customary system. One US gallon per hour equals 0.000001051503273 cubic meters per second (m³/s).

US gallon per minute (gpm)

The standard US unit for pumps, wells and fixtures; about 3.785 L/min. One US gallon per minute equals 0.0000630901964 cubic meters per second (m³/s).

Frequently asked questions

How many gallons per minute are in one US gallon per hour?

There are 0.01666666667 gallons per minute in one US gallon per hour, and this value is exact by definition.

How do I convert gallons per hour to gallons per minute?

Multiply the number of gallons per hour by 0.01666666667. For example, 10 gph × 0.01666666667 = 0.1666666667 gpm.

How many gallons per hour are in one US gallon per minute?

One US gallon per minute equals 60 gallons per hour. That is the reverse factor, 1 ÷ 0.01666666667.

What is 10 gallons per hour in gallons per minute?

10 gph = 0.1666666667 gpm.

Is this gph to gpm converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.