Skip to main content

Convert Cubic Meters per Second to US Gallons per Minute

No popups. No autoplay ads. Accurate answers with formulas shown.

Engineering

Flow Rate Converter
10 sig. figures
Formula1 m³/s × 15850.32314 = 15850.32314 US gpm

About Flow Rate Conversions

Volumetric flow rate measures how much fluid volume passes a point per unit of time. The SI unit is the cubic metre per second (m³/s), but practitioners almost never work at that scale — plumbing uses litres per minute, irrigation uses litres per second or cubic metres per hour, and HVAC balances run on cubic feet per minute (CFM). A key trap in international work is the gallon: the US gallon equals 3.785411784 L while the UK (imperial) gallon equals 4.54609 L, so 1 UK gpm is about 1.201 US gpm. Mixing them silently distorts pump and piping specifications by roughly 20%. A modern efficient shower head flows around 9.5 L/min (2.5 US gpm), while a garden hose at full open delivers 40 to 60 L/min. HVAC engineers translate refrigeration tonnage to airflow: rooftop units often spec 400 CFM per ton. Our converter uses exact SI-to-imperial relationships so that pump head, pipe sizing, and cooling tower duty calculations remain consistent across regions.

Quick Conversions

Cubic Meters per SecondUS Gallons per Minute
1 m³/s15850.3 US gpm
2 m³/s31700.6 US gpm
5 m³/s79251.6 US gpm
10 m³/s158503 US gpm
25 m³/s396258 US gpm
50 m³/s792516 US gpm
100 m³/s1585030 US gpm
250 m³/s3962580 US gpm
500 m³/s7925160 US gpm
1000 m³/s15850300 US gpm
Unit NameSymbolPer 1 Cubic Meter per Second
Cubic Foot per MinuteCFM2118.88
Cubic Foot per SecondCFS35.3147
Cubic Meter per Hourm³/h3600
Cubic Meter per Minutem³/min60
Cubic Meter per Secondm³/s1
Liter per HourL/h3600000
Liter per MinuteL/min60000
Liter per SecondL/s1000
Milliliter per SecondmL/s1000000
UK Gallon per MinuteUK gpm13198.2
US Gallon per HourUS gph951019
US Gallon per MinuteUS gpm15850.3

Frequently Asked Questions

How do I convert Cubic Meters per Second to US Gallons per Minute?

To convert Cubic Meters per Second to US Gallons per Minute, use the conversion where 1 Cubic Meter per Second (m³/s) = 15850.3 US Gallons per Minute (US gpm). For example, 1 Cubic Meter per Second = 15850.3 US Gallons per Minute.

What are common Cubic Meter per Second to US Gallon per Minute conversions?

Here are common conversions: 1 Cubic Meters per Second = 15850.3 US Gallons per Minute, 5 Cubic Meters per Second = 79251.6 US Gallons per Minute, 10 Cubic Meters per Second = 158503 US Gallons per Minute, 25 Cubic Meters per Second = 396258 US Gallons per Minute, 50 Cubic Meters per Second = 792516 US Gallons per Minute, 100 Cubic Meters per Second = 1585030 US Gallons per Minute.

When would I need to convert Cubic Meters per Second to US Gallons per Minute?

Converting between these units is common in international trade, scientific research, and everyday situations where different measurement systems are used.

How precise are the conversions?

All conversions use exact factors verified against NIST and ISO standards with up to 10 significant figures of precision. Results are calculated using IEEE 754 double-precision arithmetic, which provides approximately 15-17 significant digits. For temperature and other non-linear conversions, exact formulas are used rather than approximations.