Flow Rate Converter

Convert between liters per minute, gallons per minute, cubic feet per second, and other flow-rate units with analysis and charts.
Calculator
Enter your values
Results
1 Gallons per Minute (GPM) =
3.78541
Liters per Minute (L/min)
Base Unit Equivalent
3.78541
Base unit: liters per minute
Target Unit Context
measuring household, plumbing, and irrigation flow in metric terms.
Conversion Analysis
Interpret the result and compare it across supported units

Result Summary

1 GPM equals 3.78541 L/min. The same amount is 3.78541 in the base unit.

Unit Context

Gallons per Minute are commonly used when measuring water fixtures, pumps, and irrigation in us customary units. Liters per Minute are useful when measuring household, plumbing, and irrigation flow in metric terms.

Practical Comparison

Switching units does not change the underlying quantity. This analysis and the charts show how the same value scales across larger and smaller units so you can choose the most readable format.

How to Use

Step-by-step instructions
  1. 1Enter the flow rate value.
  2. 2Choose the source unit.
  3. 3Choose the target flow unit.
  4. 4Use the analysis and charts to compare the same flow across all supported systems.

Flow Rate Conversion Formula

Each flow rate is normalized to liters per minute before conversion to the target unit.
Converted Value = Input x (From Unit in L/min) / (To Unit in L/min)

Variables:

L/minLiters per minute, the base unit used by this converter

Example

GPM to Liters per Minute

Inputs:

Value:10
From:Gallons per Minute
To:Liters per Minute

Steps:

  1. 1.1 GPM equals 3.78541 L/min.
  2. 2.10 GPM equals 37.8541 L/min.
Result:
10 GPM = 37.8541 L/min

Frequently Asked Questions

What is GPM?

GPM means gallons per minute, a common US unit for water and pump flow.