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

Flow Rate Converter

14 units available

Decimals:

From

To

231.000003

1 gpm = 231.000003 in³/min

Formula:

in³/min = gpm × 231.0000028193

With your value: 1 gpm = 231.00000282 in³/min

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

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

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

Gallon (US)/Minute (gpm)	Cubic Inch/Minute (in³/min)
0.5	115.500001
1	231.000003
2	462.000006
5	1,155.000014
10	2,310.000028
15	3,465.000042
20	4,620.000056
25	5,775.00007
50	11,550.000141
100	23,100.000282
250	57,750.000705
500	115,500.00141
1000	231,000.002819

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

Cubic Inch/Minute (in³/min)	Gallon (US)/Minute (gpm)
0.5	0.002165
1	0.004329
2	0.008658
5	0.021645
10	0.04329
15	0.064935
20	0.08658
25	0.108225
50	0.21645
100	0.4329
250	1.082251
500	2.164502
1000	4.329004

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

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

How to Convert Gallon (US)/Minute to Cubic Inch/Minute

To convert from Gallon (US)/Minute (gpm) to Cubic Inch/Minute (in³/min), multiply the value by 231.0000028193.

Formula: in³/min = gpm × 231.0000028193

Reverse: gpm = in³/min × 0.0043290043

Step-by-Step Example

Start with your value in Gallon (US)/Minute. For example: 5 gpm
Multiply by the conversion factor: 5 x 231.0000028193
The result is: 1,155.000014 in³/min

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 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.

Frequently Asked Questions

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

There are exactly 231.0000028193 Cubic Inch/Minute in 1 Gallon (US)/Minute. This means the conversion factor from Gallon (US)/Minute to Cubic Inch/Minute is 231.0000028193.

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

The formula to convert Gallon (US)/Minute to Cubic Inch/Minute is: in³/min = gpm × 231.0000028193. For example, to convert 10 Gallon (US)/Minute to Cubic Inch/Minute, you would multiply 10 by 231.0000028193.

What is a Gallon (US)/Minute?