Gallon (US)/Minute to Gallon (US)/Hour Converter

Flow Rate Converter

14 units available

Decimals:

From

To

60

1 gpm = 60 gph

Formula:

gph = gpm × 60.000000019

With your value: 1 gpm = 60.00000002 gph

Other Gallon (US)/Minute to Gallon (US)/Hour conversions

2 gpm to gph 3 gpm to gph 4 gpm to gph 5 gpm to gph 6 gpm to gph 7 gpm to gph 8 gpm to gph

Gallon (US)/Minute to Gallon (US)/Hour Conversion Table

Gallon (US)/Minute (gpm)	Gallon (US)/Hour (gph)
0.5	30
1	60
2	120
5	300
10	600
15	900
20	1,200
25	1,500
50	3,000.000001
100	6,000.000002
250	15,000.000005
500	30,000.00001
1000	60,000.000019

Gallon (US)/Hour to Gallon (US)/Minute Conversion Table

Gallon (US)/Hour (gph)	Gallon (US)/Minute (gpm)
0.5	0.008333
1	0.016667
2	0.033333
5	0.083333
10	0.166667
15	0.25
20	0.333333
25	0.416667
50	0.833333
100	1.666667
250	4.166667
500	8.333333
1000	16.666667

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Gallon (US)/Minute (gpm)

Flow Rate

Exact conversion

Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.

Source: ISO 80000, Quantities and units (all parts)

International Organization for Standardization · Reviewed 2026-07-01

Gallon (US)/Hour (gph)

Flow Rate

Exact conversion

Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.

Source: ISO 80000, Quantities and units (all parts)

International Organization for Standardization · Reviewed 2026-07-01

How to Convert Gallon (US)/Minute to Gallon (US)/Hour

To convert from Gallon (US)/Minute (gpm) to Gallon (US)/Hour (gph), multiply the value by 60.000000019.

Formula: gph = gpm × 60.000000019

Reverse: gpm = gph × 0.0166666667

Step-by-Step Example

Start with your value in Gallon (US)/Minute. For example: 5 gpm
Multiply by the conversion factor: 5 x 60.000000019
The result is: 300 gph

About Gallon (US)/Minute

The gallon (us)/minute (gpm) is a unit of flow rate. One gallon (us)/minute equals 6.309020 × 10^-5 base units. UnitConvertLab converts it against every other flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: flow rate calculations, engineering and science, education.

About Gallon (US)/Hour

The gallon (us)/hour (gph) is a unit of flow rate. One gallon (us)/hour equals 1.051503 × 10^-6 base units. UnitConvertLab converts it against every other flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: flow rate calculations, engineering and science, education.

Frequently Asked Questions

How many Gallon (US)/Hour are in 1 Gallon (US)/Minute?

There are exactly 60.000000019 Gallon (US)/Hour in 1 Gallon (US)/Minute. This means the conversion factor from Gallon (US)/Minute to Gallon (US)/Hour is 60.000000019.

What is the formula to convert Gallon (US)/Minute to Gallon (US)/Hour?

The formula to convert Gallon (US)/Minute to Gallon (US)/Hour is: gph = gpm × 60.000000019. For example, to convert 10 Gallon (US)/Minute to Gallon (US)/Hour, you would multiply 10 by 60.000000019.

What is a Gallon (US)/Minute?