Gallons/min (US) to L/min Converter
Convert gallons/min (us) to l/min instantly. Exact factor: 1 gpm = 3.785 Lmin.
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Convert gallons/min (us) to l/min
The exact conversion factor is 1 gpm = 3.785 Lmin. Type any value and the result updates instantly; the math is shown beneath the board.
Worked by hand
Multiply the gallons/min (us) value by 3.785 to get l/min.
Worked example
- Take 1 gpm
- multiply by 3.785
- the result is 3.785 Lmin
How to use it
- Enter your gallons/min (us)
- Read the l/min result
- Check the factor line to verify by hand
Frequently asked questions
How many l/min are in one gallons/min (us)?
Exactly 3.785 Lmin, by the SI/NIST definition.
How do I convert l/min back to gallons/min (us)?
Divide by 3.785 — or use the full converter where both directions are one click.
Is this rounding or exact?
The factor is exact; only the displayed decimals are rounded.