Cubic Foot/Second to Gallon (US)/Minute Converter

Flow Rate Converter

14 units available

Decimals:

From

To

448.831169

1 cfs = 448.831169 gpm

Formula:

gpm = cfs × 448.8311688312

With your value: 1 cfs = 448.83116883 gpm

Other Cubic Foot/Second to Gallon (US)/Minute conversions

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

Cubic Foot/Second to Gallon (US)/Minute Conversion Table

Cubic Foot/Second (cfs)	Gallon (US)/Minute (gpm)
0.5	224.415584
1	448.831169
2	897.662338
5	2,244.155844
10	4,488.311688
15	6,732.467532
20	8,976.623377
25	11,220.779221
50	22,441.558442
100	44,883.116883
250	112,207.792208
500	224,415.584416
1000	448,831.168831

Gallon (US)/Minute to Cubic Foot/Second Conversion Table

Gallon (US)/Minute (gpm)	Cubic Foot/Second (cfs)
0.5	0.001114
1	0.002228
2	0.004456
5	0.01114
10	0.02228
15	0.03342
20	0.04456
25	0.0557
50	0.1114
100	0.222801
250	0.557002
500	1.114005
1000	2.228009

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 Foot/Second (cfs)

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)/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

How to Convert Cubic Foot/Second to Gallon (US)/Minute

To convert from Cubic Foot/Second (cfs) to Gallon (US)/Minute (gpm), multiply the value by 448.8311688312.

Formula: gpm = cfs × 448.8311688312

Reverse: cfs = gpm × 0.0022280093

Step-by-Step Example

Start with your value in Cubic Foot/Second. For example: 5 cfs
Multiply by the conversion factor: 5 x 448.8311688312
The result is: 2,244.155844 gpm

About Cubic Foot/Second

The cubic foot/second (cfs) is a unit of flow rate. One cubic foot/second equals 0.02831684659 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)/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.

Frequently Asked Questions

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

There are exactly 448.8311688312 Gallon (US)/Minute in 1 Cubic Foot/Second. This means the conversion factor from Cubic Foot/Second to Gallon (US)/Minute is 448.8311688312.

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

The formula to convert Cubic Foot/Second to Gallon (US)/Minute is: gpm = cfs × 448.8311688312. For example, to convert 10 Cubic Foot/Second to Gallon (US)/Minute, you would multiply 10 by 448.8311688312.

What is a Cubic Foot/Second?