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US Gallons per Minute to Liters per Second Converter

gpm → L/s: type a value and the result appears instantly.

1 gpm = 0.0630901964 L/s
1 L/s = 15.85032314 gpm
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How to convert US gallons per minute to liters per second

Use this formula:

L/s = gpm × 0.0630901964

Examples

gpm to L/s conversion chart

US gallons per minute (gpm)liters per second (L/s)
0.1 gpm0.00630902 L/s
0.25 gpm0.0157725 L/s
0.5 gpm0.0315451 L/s
1 gpm0.0630902 L/s
2 gpm0.12618 L/s
3 gpm0.189271 L/s
4 gpm0.252361 L/s
5 gpm0.315451 L/s
6 gpm0.378541 L/s
7 gpm0.441631 L/s
8 gpm0.504722 L/s
9 gpm0.567812 L/s
10 gpm0.630902 L/s
12 gpm0.757082 L/s
15 gpm0.946353 L/s
20 gpm1.2618 L/s
25 gpm1.57725 L/s
30 gpm1.89271 L/s
40 gpm2.52361 L/s
50 gpm3.15451 L/s
60 gpm3.78541 L/s
70 gpm4.41631 L/s
75 gpm4.73176 L/s
80 gpm5.04722 L/s
90 gpm5.67812 L/s
100 gpm6.30902 L/s
150 gpm9.46353 L/s
200 gpm12.618 L/s
250 gpm15.7725 L/s
500 gpm31.5451 L/s
1,000 gpm63.0902 L/s

About the units

US gallon per minute (gpm) is a US customary / imperial unit. 1 gpm = 3.785411784 L/min.

Liter per second (L/s) is a metric (SI) unit. 1 L/s = 60 L/min.

Frequently asked questions

How do I convert US gallons per minute to liters per second?
Multiply the value in gpm by 0.0630901964.
How many liters per second are in 1 uS gallon per minute?
1 gpm = 0.0630901964 L/s.
What is 12 gpm in L/s?
12 gpm = 0.757082 L/s.
How do I convert liters per second to US gallons per minute?
Use the reverse converter: L/s → gpm.

Flow Rate Converter →

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters