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

Flow Rate Converter

14 units available

Decimals:

From

To

0.25974

1 in³/min = 0.25974 gph

Formula:

gph = in³/min × 0.2597402567

With your value: 1 in³/min = 0.25974026 gph

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

2 in³/min to gph 3 in³/min to gph 4 in³/min to gph 5 in³/min to gph 6 in³/min to gph 7 in³/min to gph 8 in³/min to gph

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

Cubic Inch/Minute (in³/min)	Gallon (US)/Hour (gph)
0.5	0.12987
1	0.25974
2	0.519481
5	1.298701
10	2.597403
15	3.896104
20	5.194805
25	6.493506
50	12.987013
100	25.974026
250	64.935064
500	129.870128
1000	259.740257

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

Gallon (US)/Hour (gph)	Cubic Inch/Minute (in³/min)
0.5	1.925
1	3.85
2	7.7
5	19.25
10	38.5
15	57.750001
20	77.000001
25	96.250001
50	192.500002
100	385.000005
250	962.500011
500	1,925.000023
1000	3,850.000046

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.

Cubic Inch/Minute (in³/min)

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 Cubic Inch/Minute to Gallon (US)/Hour

To convert from Cubic Inch/Minute (in³/min) to Gallon (US)/Hour (gph), multiply the value by 0.2597402567.

Formula: gph = in³/min × 0.2597402567

Reverse: in³/min = gph × 3.8500000458

Step-by-Step Example

Start with your value in Cubic Inch/Minute. For example: 5 in³/min
Multiply by the conversion factor: 5 x 0.2597402567
The result is: 1.298701 gph

About Cubic Inch/Minute

The cubic inch/minute (in³/min) is a unit of flow rate. One cubic inch/minute equals 2.731177 × 10^-7 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 Cubic Inch/Minute?

There are exactly 0.2597402567 Gallon (US)/Hour in 1 Cubic Inch/Minute. This means the conversion factor from Cubic Inch/Minute to Gallon (US)/Hour is 0.2597402567.

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

The formula to convert Cubic Inch/Minute to Gallon (US)/Hour is: gph = in³/min × 0.2597402567. For example, to convert 10 Cubic Inch/Minute to Gallon (US)/Hour, you would multiply 10 by 0.2597402567.

What is a Cubic Inch/Minute?