To convert liters per second to gallons per minute, multiply by 15.85032314.
The calculation uses 1 L/s = 15.85032314 GPM. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in GPM = value in L/s × 15.85032314
L/s- Input unit: liters per second
GPM- Output unit: gallons per minute
How to use this calculator
- Enter a value in L/s.
- Multiply by the stored conversion factor.
- Read the result in GPM; divide by the same factor to convert back.
Worked examples
Worked conversion
1 L/s × 15.85032314 ≈ 15.85032314 GPM.
Reverse conversion
15.85032314 GPM ÷ 15.85032314 ≈ 1 L/s. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 15.85032314 GPM per L/s.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
L/s to GPM table
| L/s | GPM (rounded) |
|---|---|
| 0 | 0 |
| 1 | 15.85032314 |
| 2 | 31.70064628 |
| 5 | 79.25161571 |
| 10 | 158.5032314 |
| 100 | 1585.032314 |
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