To convert cubic meters per second to gallons per minute, multiply by 15850.32314.
The calculation uses 1 m³/s = 15850.32314 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 m³/s × 15850.32314
m³/s- Input unit: cubic meters per second
GPM- Output unit: gallons per minute
How to use this calculator
- Enter a value in m³/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 m³/s × 15850.32314 ≈ 15850.32314 GPM.
Reverse conversion
15850.32314 GPM ÷ 15850.32314 ≈ 1 m³/s. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 15850.32314 GPM per m³/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.
m³/s to GPM table
| m³/s | GPM (rounded) |
|---|---|
| 0 | 0 |
| 1 | 15850.32314 |
| 2 | 31700.64628 |
| 5 | 79251.61571 |
| 10 | 158503.2314 |
| 100 | 1585032.314 |
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