Convert Cubic inches per minute to Cubic feet per second

Convert Cubic inches per minute (in³/min) to Cubic feet per second (ft³/s) instantly and accurately.

Cubic inches per minute (in³/min)
Cubic feet per second (ft³/s)

Conversion Formula

ft³/s = in³/min × 9.645061728e-6

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 Cubic feet per second

The cubic foot per second (ft³/s or cfs) equals 0.028316846592 m³/s, the primary unit for measuring river discharge and open-channel flow in the United States. The US Geological Survey publishes all streamflow data in cfs; irrigation water rights, flood-control gates, and dam spillway capacities are specified in cfs. The Colorado River at full natural flow is ≈22 000 cfs. 1 cfs = 0.028316846592 m³/s ≈ 28.317 L/s ≈ 448.8 US gpm.

Quick Reference Table

Cubic inches per minute (in³/min)Cubic feet per second (ft³/s)
1 in³/min9.645 × 10-6 ft³/s
2 in³/min1.929 × 10-5 ft³/s
5 in³/min4.823 × 10-5 ft³/s
10 in³/min9.645 × 10-5 ft³/s
25 in³/min0.000241127 ft³/s
50 in³/min0.000482253 ft³/s
100 in³/min0.000964506 ft³/s

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