Unit converter

Volume Flow Rate converter

Convert cubic meters, liters, gallons, and cubic feet per unit time.

Enter a value and choose units. Results update instantly.

1 L/min = 0.2641720524 US gpm

All Flow rate units

From 1 L/min
UnitValue
Cubic meter per second m³/s 0.0000166667
Cubic meter per hour m³/h 0.06
Liter per second L/s 0.0166666667
Liter per minute L/min 1
US gallon per minute US gpm 0.2641720524
Imperial gallon per minute imp gpm 0.2199692483
Cubic foot per minute cfm 0.0353146667
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Common tasks

Liter per minute to US gallon per minuteL/min to US gpm US gallon per minute to Liter per minuteUS gpm to L/min Cubic meter per hour to Liter per minutem³/h to L/min Cubic foot per minute to Cubic meter per hourcfm to m³/h Liter per second to Liter per minuteL/s to L/min Imperial gallon per minute to Liter per minuteimp gpm to L/min

Reference

How volume flow rate conversion works

Volumetric flow is volume passing a point per unit of time. US gallons and Imperial gallons remain explicitly separated.

Values are converted to cubic meter per second first, then from that reference into the requested unit. Keeping a single documented reference reduces inconsistent pair-by-pair constants.

Accuracy note: Unit conversion does not account for compressibility, pressure, or temperature effects on actual fluid volume.

Unit reference

UnitSymbol1 unit in m³/s
Cubic meter per secondm³/s1
Cubic meter per hourm³/h0.000277777778
Liter per secondL/s0.001
Liter per minuteL/min0.000016666667
US gallon per minuteUS gpm0.000063090196
Imperial gallon per minuteimp gpm0.000075768167
Cubic foot per minutecfm0.000471947443

Long-tail directory

Every indexed conversion

Choose a source unit to see all available destinations.

From Cubic meter per second (m³/s)
Cubic meter per second to Cubic meter per hourCubic meter per second to Liter per secondCubic meter per second to Liter per minuteCubic meter per second to US gallon per minuteCubic meter per second to Imperial gallon per minuteCubic meter per second to Cubic foot per minute
From Cubic meter per hour (m³/h)
Cubic meter per hour to Cubic meter per secondCubic meter per hour to Liter per secondCubic meter per hour to Liter per minuteCubic meter per hour to US gallon per minuteCubic meter per hour to Imperial gallon per minuteCubic meter per hour to Cubic foot per minute
From Liter per second (L/s)
Liter per second to Cubic meter per secondLiter per second to Cubic meter per hourLiter per second to Liter per minuteLiter per second to US gallon per minuteLiter per second to Imperial gallon per minuteLiter per second to Cubic foot per minute
From Liter per minute (L/min)
Liter per minute to Cubic meter per secondLiter per minute to Cubic meter per hourLiter per minute to Liter per secondLiter per minute to US gallon per minuteLiter per minute to Imperial gallon per minuteLiter per minute to Cubic foot per minute
From US gallon per minute (US gpm)
US gallon per minute to Cubic meter per secondUS gallon per minute to Cubic meter per hourUS gallon per minute to Liter per secondUS gallon per minute to Liter per minuteUS gallon per minute to Imperial gallon per minuteUS gallon per minute to Cubic foot per minute
From Imperial gallon per minute (imp gpm)
Imperial gallon per minute to Cubic meter per secondImperial gallon per minute to Cubic meter per hourImperial gallon per minute to Liter per secondImperial gallon per minute to Liter per minuteImperial gallon per minute to US gallon per minuteImperial gallon per minute to Cubic foot per minute
From Cubic foot per minute (cfm)
Cubic foot per minute to Cubic meter per secondCubic foot per minute to Cubic meter per hourCubic foot per minute to Liter per secondCubic foot per minute to Liter per minuteCubic foot per minute to US gallon per minuteCubic foot per minute to Imperial gallon per minute

Primary source

Definitions and standards

Conversion constants and definitions for this category are checked against NIST SP 811 and exact volume definitions.

See Methods & sources for rounding rules, exact-value handling, and review policy.

Questions

Volume Flow Rate FAQ

What is the reference unit for volume flow rate conversions?

ConvertWin uses cubic meter per second (m³/s) as the internal reference for this category, then converts to the selected output unit.

How accurate is this volume flow rate converter?

Unit conversion does not account for compressibility, pressure, or temperature effects on actual fluid volume.