Gallons per Minute to Gallons per Hour Converter

How to convert gallons per minute to gallons per hour

Formulagph = gpm × 60

Multiply the value in gallons per minute by 60. To go the other way, multiply by 0.01666666667 (or divide by 60).

An US gallon per minute is larger than an US gallon per hour: one US gallon per minute contains 60 gallons per hour.

Worked examples

1 US gallon per minute1 gpm × 60 = 60 gph
5 gallons per minute5 gpm × 60 = 300 gph
10 gallons per minute10 gpm × 60 = 600 gph
20 gallons per minute20 gpm × 60 = 1,200 gph
100 gallons per minute100 gpm × 60 = 6,000 gph

Gallons per minute to gallons per hour conversion table

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

Gallons per minute to gallons per hour: 0.1–10 gpm
Gallons per minute (gpm)	Gallons per hour (gph)
0.1 gpm	6 gph
0.25 gpm	15 gph
0.5 gpm	30 gph
1 gpm	60 gph
2 gpm	120 gph
3 gpm	180 gph
4 gpm	240 gph
5 gpm	300 gph
6 gpm	360 gph
7 gpm	420 gph
8 gpm	480 gph
9 gpm	540 gph
10 gpm	600 gph

Gallons per minute to gallons per hour: 12–1,000 gpm
Gallons per minute (gpm)	Gallons per hour (gph)
12 gpm	720 gph
15 gpm	900 gph
20 gpm	1,200 gph
25 gpm	1,500 gph
30 gpm	1,800 gph
40 gpm	2,400 gph
50 gpm	3,000 gph
75 gpm	4,500 gph
100 gpm	6,000 gph
250 gpm	15,000 gph
500 gpm	30,000 gph
1,000 gpm	60,000 gph

About the units

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).

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).

Frequently asked questions

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

There are 60 gallons per hour in one US gallon per minute, and this value is exact by definition.

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

Multiply the number of gallons per minute by 60. For example, 10 gpm × 60 = 600 gph.

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

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

What is 10 gallons per minute in gallons per hour?

10 gpm = 600 gph.

Is this gpm to gph 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.