Liters/min ↔ Gallons/min Converter
Quickly convert between liters per minute (L/min) and gallons per minute (GPM) for pumps, sprinklers, and plumbing systems.
| Liters per minute | Gallons per minute |
|---|---|
| 1 | 0.26417 |
| 10 | 2.64172 |
| 50 | 13.2086 |
| 100 | 26.41721 |
| 200 | 52.83441 |
| 500 | 132.08603 |
| 1,000 | 264.17205 |
| 2,000 | 528.3441 |
| 4,000 | 1,056.68821 |
| 6,000 | 1,585.03231 |
Understanding L/min and GPM 💧
Liters per minute (L/min) and gallons per minute (GPM) are units for measuring the flow rate of liquids.
They are commonly used in plumbing, pumps, sprinklers, and industrial liquid systems.
Correct conversions ensure equipment performs as expected and prevent mis-sizing of pumps or pipes.
Key Facts
- 1 GPM ≈ 3.785 L/min - quick conversion factor between metric and imperial units.
- Use L/min in metric-based systems and GPM in the US and other imperial-based systems.
- Verifying flow requirements against manufacturer specs avoids overloading pumps or underfeeding systems.
Formulas
L/min = GPM × 3.785- Convert US gallons per minute to liters per minute.GPM = L/min ÷ 3.785- Convert liters per minute to US gallons per minute.
Typical Flow Rates
- A small faucet ≈ 6 L/min (≈ 1.6 GPM)
- Garden hose ≈ 15–25 L/min (≈ 4–6.6 GPM)
- Shower flow ≈ 8–12 L/min (≈ 2–3 GPM)
- Residential pump ≈ 200–500 L/min (≈ 53–132 GPM)
- Irrigation system ≈ 1000–4000 L/min (≈ 264–1057 GPM)
FAQs
Why use L/min or GPM?
L/min is standard in metric systems, while GPM is standard in the US. Using the correct unit ensures consistency with equipment ratings and specifications.
How do I convert between L/min and GPM?
Multiply GPM by 3.785 to get L/min, or divide L/min by 3.785 to get GPM.
Can I use these conversions for industrial pumps?
Yes, these conversions are valid for all flow rates, but always check pump and pipe ratings for pressure and capacity limits.