Convert US gallons per second to Millilitres per second

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

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

Conversion Formula

mL/s = gal/s × 3785.411784

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 second

The millilitre per second (mL/s) equals 10⁻⁶ m³/s, common in laboratory syringe pumps, HPLC systems, and medical infusion devices. A standard IV drip running at 1 mL/s would deliver 3.6 L/h - a rapid infusion rate used in resuscitation; analytical HPLC columns run 0.5-5 mL/s. 1 mL/s = 10⁻⁶ m³/s = 60 mL/min = 3.6 L/h.

Quick Reference Table

US gallons per second (gal/s)Millilitres per second (mL/s)
1 gal/s3785.41 mL/s
2 gal/s7570.82 mL/s
5 gal/s18927.1 mL/s
10 gal/s37854.1 mL/s
25 gal/s94635.3 mL/s
50 gal/s189271 mL/s
100 gal/s378541 mL/s

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