Convert Cubic inches per second to US gallons per second
Convert Cubic inches per second (in³/s) to US gallons per second (gal/s) instantly and accurately.
Conversion Formula
gal/s = in³/s × 0.004329004329
About Cubic inches per second
The cubic inch per second (in³/s) equals 1.6387064×10⁻⁵ m³/s, used in US automotive engineering for engine displacement sweep rate, fuel-injector calibration, and hydraulic actuator speed specifications. An engine injector delivering 15 in³/s of fuel corresponds to roughly 15.5 mL/s; hydraulic jacks in US equipment are rated in in³/s at operating pressure. 1 in³/s ≈ 1.639×10⁻⁵ m³/s = 0.016387 L/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 second (in³/s) | US gallons per second (gal/s) |
|---|---|
| 1 in³/s | 0.004329 gal/s |
| 2 in³/s | 0.00865801 gal/s |
| 5 in³/s | 0.021645 gal/s |
| 10 in³/s | 0.04329 gal/s |
| 25 in³/s | 0.108225 gal/s |
| 50 in³/s | 0.21645 gal/s |
| 100 in³/s | 0.4329 gal/s |