What is the flow rate converter?
The flow rate converter is a collection of calculators for changing one flow rate unit into another. Convert flow rate units for water systems, pumps, HVAC, process engineering, and fluid calculations.
Flow rate conversions are useful for pumps, water systems, HVAC airflow, irrigation, process equipment, and fluid engineering.
Available flow rate units
This category includes the following units:
- Cubic Meter per Second (m3/s)
- Liter per Second (L/s)
- Liter per Minute (L/min)
- Cubic Foot per Minute (cfm)
- US Gallon per Minute (gpm)
Common flow rate use cases
Use this category when the same measurement appears in different unit systems, data sheets, calculators, reports, or regional conventions.
- Flow Rate conversions help compare measurements across specifications, calculators, labels, and technical references.
- Use this category when source data and target documents use different flow rate units.
- The dedicated conversion pages show formulas, examples, tables, related pages, and FAQ for individual unit pairs.
Popular flow rate units explained
These short unit notes help readers choose the right starting unit before opening a specific conversion page.
Cubic Meter per Second (m3/s)
Cubic Meter per Second (m3/s) is a flow rate unit.
Browse cubic-meters-per-second conversionsLiter per Second (L/s)
Liter per Second (L/s) is a flow rate unit.
Browse liters-per-second conversionsLiter per Minute (L/min)
Liter per Minute (L/min) is a flow rate unit.
Browse liters-per-minute conversionsCubic Foot per Minute (cfm)
Cubic Foot per Minute (cfm) is a flow rate unit.
Browse cubic-feet-per-minute conversionsUS Gallon per Minute (gpm)
US Gallon per Minute (gpm) is a flow rate unit.
Browse gallons-per-minute conversionsCommon flow rate conversion mistakes
Most wrong answers come from mixing unit systems, rounding too early, or choosing a unit that looks similar but means something different.
- Do not hide the original flow rate unit when copying a result into a report, label, or calculator.
- Do not round intermediate values when the result will be reused in another formula.
- Check whether the source and target units describe the same physical quantity before comparing flow rate values.
Popular flow rate conversion pages
Start with one of these common flow rate conversions:
- liters-per-minute to gallons-per-minute
- gallons-per-minute to liters-per-minute
- cubic-feet-per-minute to liters-per-second
- liters-per-second to cubic-feet-per-minute
- cubic-meters-per-second to liters-per-second
- liters-per-second to cubic-meters-per-second
Browse flow rate conversions by starting unit
Use these grouped links when you know the unit you are starting from and want to compare several destination units.
Cubic Meter per Second conversions
Start with cubic meters per second and convert to common flow rate units.
Liter per Second conversions
Start with liters per second and convert to common flow rate units.
Liter per Minute conversions
Start with liters per minute and convert to common flow rate units.
Cubic Foot per Minute conversions
Start with cubic feet per minute and convert to common flow rate units.
US Gallon per Minute conversions
Start with US gallons per minute and convert to common flow rate units.
All flow rate conversion pages
This complete index helps users and search engines discover every generated flow rate conversion page.
Related categories and references
Use these links to move between neighboring converter categories, hand-written unit references, popular units, and complete site indexes.
Unit Wiki and references
Popular flow rate units
Complete indexes and tools
How flow rate conversion works
Flow Rate conversions use a standard reference unit as the bridge between source and target units, so each page can show both the direct formula and practical examples.
How to use this converter
Enter a value, choose the units, and read the converted result immediately. Each dedicated conversion page also includes a formula, examples, a conversion table, related links, and FAQ.
FAQ
Which flow rate units are included?
This category includes cubic meters per second, liters per second, liters per minute, cubic feet per minute, US gallons per minute and related units.
Are formulas included?
Yes. Individual conversion pages include formulas, manual steps, examples, and conversion tables.