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计算器: Gallons per Minute to Liters per Minute Converter.

使用计算器: Gallons per Minute to Liters per Minute Converter，根据输入获得清晰实用的结果。

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Liters per minute (L/min): 3.785411784

Liters per minute (L/min)

3.7854117840

Uses the US liquid gallon: 1 gal = 3.785411784 L.

FAQs

How does the gallons per minute to liters per minute converter work?

Uses the US liquid gallon: 1 gal = 3.785411784 L.

Cite this calculator

Canonical URL: https://mathify.one/zh/conversion/gallons-per-minute-to-liters-per-minute

Cite as: Mathify. (2026). 计算器: Gallons per Minute to Liters per Minute Converter. https://mathify.one/zh/conversion/gallons-per-minute-to-liters-per-minute

Use Cases

Industrial and Agricultural Flow Monitoring

Quickly convert flow rates from US GPM to L/min for pumps, pipes, or irrigation systems, ensuring compatibility with metric-based equipment or reporting.

Example: A pump rated at 50 GPM delivers 189.27 L/min.

Home and DIY Projects

When working with water features, aquariums, or plumbing, convert flow rates to liters per minute for easier comparison with metric-rated components.

Example: A 5 GPM water pump equals 18.93 L/min.

Frequently Asked Questions

How do I convert gallons per minute to liters per minute?
To convert US gallons per minute (GPM) to liters per minute (L/min), multiply the GPM value by 3.785411784. For example, 10 GPM equals 37.85411784 L/min. This converter does the calculation for you instantly.
What is the difference between US gallons and imperial gallons?
US gallons are smaller than imperial gallons. One US gallon equals 3.785411784 liters, while one imperial gallon equals 4.54609 liters. This converter uses US gallons per minute, so ensure you have the correct gallon type for accurate results.
Can I use this converter for any liquid?
Yes, this converter works for any liquid flow rate measured in US gallons per minute. It converts the volume flow rate to liters per minute, regardless of the liquid type, as long as the flow is in US gallons per minute.

Tips & Common Mistakes

Tips

  • Always confirm that your flow rate is in US gallons per minute, not imperial gallons, to avoid conversion errors.
  • For precise conversions, use the exact factor 3.785411784. Rounding to 3.785 is usually sufficient for most practical purposes.
  • If you need to convert liters per minute back to gallons per minute, divide the L/min value by 3.785411784.
  • Double-check your input value for typos, especially decimal points, to ensure accurate results.

Common Mistakes to Avoid

  • Using imperial gallons instead of US gallons, which leads to an overestimation of about 20%.
  • Confusing gallons per minute with other flow units like liters per second or cubic meters per hour.
  • Rounding the conversion factor too early, which can cause significant errors in large flow rates.

Last updated: August 13, 2026