EngiRef / Flow rate conversion
Convert Gallons/minute (US) to Liters/second (gpm to L/s)
1 gpm = 0.0630901964 L/s. Convert gallons/minute (US) to liters/second with the exact factor, a common-values table and a free converter.
Conversion factor
L/s = gpm × 0.0630901964
1 gpm = 0.0630901964 L/s
Multiply by 0.0630901964 L/s to go from gallons/minute (US) to liters/second, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
gpm to L/s table
| Gallons/minute (US) (gpm) | Liters/second (L/s) |
|---|---|
| 1 gpm | 0.0630901964 L/s |
| 2 gpm | 0.126180393 L/s |
| 5 gpm | 0.315450982 L/s |
| 10 gpm | 0.630901964 L/s |
| 20 gpm | 1.26180393 L/s |
| 50 gpm | 3.15450982 L/s |
| 100 gpm | 6.30901964 L/s |
Every figure is computed at build time by the site’s own converter from the flow rate unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many liters/second are in one gallon/minute (US)?
One gallon/minute (US) is 0.0630901964 L/s, so 100 gpm is 6.30901964 L/s.
What is the formula to convert gallons/minute (US) to liters/second?
L/s = gpm × 0.0630901964. Multiply the value in gallons/minute (US) by 0.0630901964 to get liters/second.
How do I convert liters/second back to gallons/minute (US)?
gpm = L/s × 15.8503231, so 1 L/s is 15.8503231 gpm. The L/s to gpm page carries the same table in that direction.