Convert Cubic feet per day to Cubic inches per second

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

Cubic feet per day (ft³/d)
Cubic inches per second (in³/s)

Conversion Formula

in³/s = ft³/d × 0.02

About Cubic feet per day

The cubic foot per day (ft³/d) equals 0.028316846592/86400 ≈ 3.277×10⁻⁷ m³/s, found in US oil-and-gas production reports for low-rate gas wells and groundwater monitoring wells. A marginal coalbed-methane well producing 50 Mcf/d (50 000 ft³/d) of gas represents a modest but economic flow; residential water-well yield tests report in ft³/d. 1 ft³/d ≈ 3.277×10⁻⁷ m³/s.

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.

Quick Reference Table

Cubic feet per day (ft³/d)Cubic inches per second (in³/s)
1 ft³/d0.02 in³/s
2 ft³/d0.04 in³/s
5 ft³/d0.1 in³/s
10 ft³/d0.2 in³/s
25 ft³/d0.5 in³/s
50 ft³/d1 in³/s
100 ft³/d2 in³/s

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