Gallon Per Minute to Liter Per Second Converter

Convert gallon per minute to liter per second instantly.

Standard flow rate units

cubic meter per second 0.0063
cubic meter per hour 22.712
liter per minute 378.54
liter per second 6.309
cubic foot per minute 13.368
cubic foot per second 0.2228

Fun comparisons

shower heads 🚿~ 39.93
kitchen faucets 🚰~ 50.07
garden hoses 🪴~ 10
fire hydrants 🧯~ 0.1
Niagara Falls flows 🌊~ Less than 0.01

How to convert gallon per minute to liter per second

Enter your flow rate in gallon per minute and get the equivalent in liter per second instantly. Key reference points: a typical shower head flows at about 9.5 liters per minute (2.5 GPM), a garden hose at about 37.8 L/min (10 GPM), and residential water supply pipes deliver 7-12 GPM.

Gallons per minute is the US pump rating unit; liters per second is the metric engineering standard for water supply calculations and fire protection system design outside the US.

Need the opposite direction? Convert liter per second to gallon per minute just as easily, or explore all our flow rate conversions.

Common gallon per minute to liter per second conversions

Gallon Per Minute (GPM)Liter Per Second (L/s)
10.0630902
50.315451
100.630902
251.57725
503.15451
1006.30902
50031.5451
100063.0902

Frequently asked questions

1 gallon per minute equals 0.0630902 liter per second.

Multiply by 0.0630902. For example, 5 GPM = 0.315451 L/s.

100 US gallons per minute equals approximately 6.309 liters per second.

1 liter per second equals 15.8503 gallon per minute.

100 gallon per minute equals 6.30902 liter per second.

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