Convert Cubic inches per minute to US gallons per second

Convert Cubic inches per minute (in³/min) to US gallons per second (gal/s) instantly and accurately.

Cubic inches per minute (in³/min)
US gallons per second (gal/s)

Conversion Formula

gal/s = in³/min × 7.215007215e-5

About Cubic inches per minute

The cubic inch per minute (in³/min) equals 1.6387064×10⁻⁵/60 ≈ 2.731×10⁻⁷ m³/s, common in US pneumatic and hydraulic circuit design. Air-tool consumption is rated in SCIM (standard cubic inches per minute); small hydraulic cylinders advancing at 10 in/min with 1 in² bore consume 10 in³/min: exactly 0.163 mL/s. 1 in³/min ≈ 2.731×10⁻⁷ m³/s.

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.

Quick Reference Table

Cubic inches per minute (in³/min)US gallons per second (gal/s)
1 in³/min7.215 × 10-5 gal/s
2 in³/min0.0001443 gal/s
5 in³/min0.00036075 gal/s
10 in³/min0.000721501 gal/s
25 in³/min0.00180375 gal/s
50 in³/min0.0036075 gal/s
100 in³/min0.00721501 gal/s

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