To convert gallons per hour to gallons per minute, multiply by 0.01666666667.
The calculation uses 1 GPH = 0.01666666667 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
GPH- Input unit: gallons per hour
GPM- Output unit: gallons per minute
How to use this calculator
- Enter a value in GPH.
- Multiply by the stored conversion factor.
- Read the result in GPM; divide by the same factor to convert back.
Worked examples
Worked conversion
1 GPH × 0.01666666667 ≈ 0.01666666667 GPM.
Reverse conversion
0.01666666667 GPM ÷ 0.01666666667 ≈ 1 GPH. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.01666666667 GPM per GPH.
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.
GPH to GPM table
| GPH | GPM (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.01666666667 |
| 2 | 0.03333333333 |
| 5 | 0.08333333333 |
| 10 | 0.1666666667 |
| 100 | 1.666666667 |