US gallons per minute to Litres per minute
Convert US gallons per minute to litres per minute instantly.
US gallons per minute to Litres per minute (gpm (US) to L/min) Converter
1 US gallon per minute = 3.7854 litres per minute
Default is 5 significant figures. “Search units as” decides what words like gallon, pint or cup mean when you type them. Shortcuts: Alt+S swap · Alt+C copy · Alt+L link · / search
- 1 gpm (US) = 3.7854 L/min
- 5 gpm (US) = 18.927 L/min
- 10 gpm (US) = 37.854 L/min
- 25 gpm (US) = 94.635 L/min
- Litres per minuteL/min
- US gallons per minutegpm (US)
- Litres per minuteL/min
- US gallons per minutegpm (US)
How it’s calculated
L/min = gpm (US) × 3.785411784
- Multiply the value in US gallons per minute by 3.785411784.
- To go back, divide by 3.785411784 (or multiply by 0.2641720524).
- 1 gpm (US) = 3.785411784 L/min · 1 L/min = 0.2641720524 gpm (US)
Quick examples
1 US gallon per minute = 3.7854 litres per minute · 1 L/min = 0.26417 gpm (US)
- 1 US gallon per minute = 3.7854 litres per minute
- 5 US gallons per minute = 18.927 litres per minute
- 10 US gallons per minute = 37.854 litres per minute
- 25 US gallons per minute = 94.635 litres per minute
- 100 US gallons per minute = 378.54 litres per minute
US gallons per minute to litres per minute conversion table
| US gallons per minute (gpm (US)) | Litres per minute (L/min) |
|---|---|
| 0.1 gpm (US) | 0.37854 L/min |
| 0.5 gpm (US) | 1.8927 L/min |
| 1 gpm (US) | 3.7854 L/min |
| 2 gpm (US) | 7.5708 L/min |
| 3 gpm (US) | 11.356 L/min |
| 4 gpm (US) | 15.142 L/min |
| 5 gpm (US) | 18.927 L/min |
| 6 gpm (US) | 22.712 L/min |
| 7 gpm (US) | 26.498 L/min |
| 8 gpm (US) | 30.283 L/min |
| 9 gpm (US) | 34.069 L/min |
| 10 gpm (US) | 37.854 L/min |
| 15 gpm (US) | 56.781 L/min |
| 20 gpm (US) | 75.708 L/min |
| 25 gpm (US) | 94.635 L/min |
| 30 gpm (US) | 113.56 L/min |
| 40 gpm (US) | 151.42 L/min |
| 50 gpm (US) | 189.27 L/min |
| 75 gpm (US) | 283.91 L/min |
| 100 gpm (US) | 378.54 L/min |
| 250 gpm (US) | 946.35 L/min |
| 500 gpm (US) | 1,892.7 L/min |
| 1,000 gpm (US) | 3,785.4 L/min |
About these units
US gallon per minute (gpm (US))
US customary
1 gpm (US) = 0.0000630901964 m³/s (exact)
Source: NIST SP 811 / Handbook 44
Litre per minute (L/min)
metric (non-SI)
1 L/min ≈ 0.000016666667 m³/s
Source: BIPM SI Brochure (9th ed.) (SI prefixes and accepted units)
Frequently asked questions
How do I convert US gallons per minute to litres per minute?
Use L/min = gpm (US) × 3.785411784. Multiply the value in US gallons per minute by 3.785411784.
How many litres per minute are in 1 US gallon per minute?
1 US gallon per minute (gpm (US)) equals 3.7854 litres per minute (L/min); more precisely 3.785411784.
How many US gallons per minute are in 1 litre per minute?
1 litre per minute (L/min) equals 0.26417 US gallons per minute (gpm (US)); more precisely 0.2641720524.
What is 10 gpm (US) in L/min?
10 US gallons per minute = 37.854 litres per minute.
Is the US gallon per minute a US or a UK unit?
This converter uses the US customary US gallon per minute. US and UK units with the same name can differ, so check which one your source uses.
Related conversions
Formula: L/min = gpm (US) × 3.785411784. Factors last reviewed 2026-10-27.