Convert 21 Gallon (US)/Minute (gpm) to Liter/Minute (L/min).

21 Gallon (US)/Minute equals 79.493647 Liter/Minute. Multiply 21 by 3.785411784.

What is 21 Gallon (US)/Minute in Liter/Minute?

21 Gallon (US)/Minute equals 79.493647 Liter/Minute.

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

There are exactly 3.785411784 Liter/Minutes in 1 Gallon (US)/Minute. This means the conversion factor from Gallon (US)/Minute to Liter/Minute is 3.785411784.

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

The formula to convert Gallon (US)/Minute to Liter/Minute is: L/min = gpm × 3.785411784. For example, to convert 10 Gallon (US)/Minutes to Liter/Minutes, you would multiply 10 by 3.785411784.

What are the common uses of Gallon (US)/Minute?

The Gallon (US)/Minute is commonly used in flow rate calculations, engineering and science, education.

What is 21 Gallon (US)/Minute in Liter/Minute?

To convert 21 Gallon (US)/Minutes to Liter/Minutes, multiply by 3.785411784. Therefore, 21 Gallon (US)/Minute (gpm) equals 79.493647 Liter/Minute (L/min).

21 Gallon (US)/Minute to Liter/Minute

Worked example: converting Gallon (US)/Minute to Liter/Minute

Step 1 — start with the formula. L/min = gpm × 3.785411784
Step 2 — substitute your figure. 21 gpm × 3.785411784
Step 3 — read the result. 21 gpm = 79.493647 L/min
Step 4 — check it in reverse. gpm = L/min × 0.2641720524 returns 21 gpm, which matches the figure you started with.

Flow Rate Converter

14 units available

Decimals:

From

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79.493647

21 gpm = 79.493647 L/min

Formula:

L/min = gpm × 3.785411784

With your value: 21 gpm = 79.49364746 L/min

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

15 gpm to L/min 16 gpm to L/min 18 gpm to L/min 20 gpm to L/min 24 gpm to L/min 25 gpm to L/min 26 gpm to L/min Full Gallon (US)/Minute to Liter/Minute converter

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

Gallon (US)/Minute (gpm)	Liter/Minute (L/min)
0.5	1.892706
1	3.785412
2	7.570824
5	18.927059
10	37.854118
15	56.781177
20	75.708236
25	94.635295
50	189.270589
100	378.541178
250	946.352946
500	1,892.705892
1000	3,785.411784

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

Liter/Minute (L/min)	Gallon (US)/Minute (gpm)
0.5	0.132086
1	0.264172
2	0.528344
5	1.32086
10	2.641721
15	3.962581
20	5.283441
25	6.604301
50	13.208603
100	26.417205
250	66.043013
500	132.086026
1000	264.172052

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

Liter/Minute (L/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 Liter/Minute

To convert from Gallon (US)/Minute (gpm) to Liter/Minute (L/min), multiply the value by 3.785411784.

Formula: L/min = gpm × 3.785411784

Reverse: gpm = L/min × 0.2641720524

Step-by-Step Example

Start with your value in Gallon (US)/Minute. For example: 5 gpm
Multiply by the conversion factor: 5 x 3.785411784
The result is: 18.927059 L/min

Gallon (US)/Minute and Liter/Minute Relationship

This calculation facilitates standardized conversion between recognized units of flow rate. Since 1 Gallon (US)/Minute equals approximately 3.7854 Liter/Minutes, the Gallon (US)/Minute represents a larger unit interval than the Liter/Minute. Understanding the relationship between Gallon (US)/Minute and Liter/Minute is essential for accurate calculations in physics, engineering, commerce, and daily applications.

About Gallon (US)/Minute

The Gallon (US)/Minute (symbol: gpm) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.

Common uses of Gallon (US)/Minute: flow rate calculations, engineering and science, education.

About Liter/Minute

The Liter/Minute (symbol: L/min) is a recognized unit in the Metric (SI) measurement framework, utilized within flow rate applications for precision and standardized data representation.

Common uses of Liter/Minute: flow rate calculations, engineering and science, education.

Frequently Asked Questions

What is 21 Gallon (US)/Minute in Liter/Minute?: 21 Gallon (US)/Minute equals 79.493647 Liter/Minute.
How many Liter/Minutes are in 1 Gallon (US)/Minute?: There are exactly 3.785411784 Liter/Minutes in 1 Gallon (US)/Minute. This means the conversion factor from Gallon (US)/Minute to Liter/Minute is 3.785411784.
What is the formula to convert Gallon (US)/Minute to Liter/Minute?: The formula to convert Gallon (US)/Minute to Liter/Minute is: L/min = gpm × 3.785411784. For example, to convert 10 Gallon (US)/Minutes to Liter/Minutes, you would multiply 10 by 3.785411784.
What is a Gallon (US)/Minute?: The Gallon (US)/Minute (symbol: gpm) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
What is a Liter/Minute?: The Liter/Minute (symbol: L/min) is a recognized unit in the Metric (SI) measurement framework, utilized within flow rate applications for precision and standardized data representation.
What are the common uses of Gallon (US)/Minute?: The Gallon (US)/Minute is commonly used in flow rate calculations, engineering and science, education.