Convert US gallons per second to Millilitres per minute

Convert US gallons per second (gal/s) to Millilitres per minute (mL/min) instantly and accurately.

US gallons per second (gal/s)
Millilitres per minute (mL/min)

Conversion Formula

mL/min = gal/s × 227124.707

About US gallons per second

The US gallon per second (gal/s) equals 3.785411784×10⁻³ m³/s, used for very large pump discharge rates and fire-suppression deluge systems. A large centrifugal fire pump rated 1 500 US gal/min delivers exactly 25 US gal/s; industrial cooling-tower makeup lines are sized in gal/s at peak demand. 1 US gal/s = 3.785411784×10⁻³ m³/s = 60 US gal/min ≈ 227.1 L/min.

About Millilitres per minute

The millilitre per minute (mL/min) equals 10⁻⁶/60 ≈ 1.667×10⁻⁸ m³/s, the standard flow rate unit for HPLC and preparative chromatography. A reverse-phase HPLC column (4.6 mm i.d.) operates at 1-2 mL/min; a cardiac output catheter measures 4 000-8 000 mL/min (= L/min). 1 mL/min ≈ 1.667×10⁻⁸ m³/s = 60 mL/h.

Quick Reference Table

US gallons per second (gal/s)Millilitres per minute (mL/min)
1 gal/s227125 mL/min
2 gal/s454249 mL/min
5 gal/s1135620 mL/min
10 gal/s2271250 mL/min
25 gal/s5678120 mL/min
50 gal/s11356200 mL/min
100 gal/s22712500 mL/min

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