Convert US quarts per minute to Cubic inches per minute

Convert US quarts per minute (qt/min) to Cubic inches per minute (in³/min) instantly and accurately.

US quarts per minute (qt/min)
Cubic inches per minute (in³/min)

Conversion Formula

in³/min = qt/min × 57.75

About US quarts per minute

The US quart per minute (qt/min) equals 3.785411784×10⁻³/4/60 ≈ 1.577×10⁻⁵ m³/s, encountered in US small-engine fuel system testing and food-processing pump calibration. Engine dynamometer fuel-flow instrumentation sometimes uses qt/min when testing small gasoline engines consuming 1-6 qt/min at full load. 1 US qt/min ≈ 1.577×10⁻⁵ m³/s.

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.

Quick Reference Table

US quarts per minute (qt/min)Cubic inches per minute (in³/min)
1 qt/min57.75 in³/min
2 qt/min115.5 in³/min
5 qt/min288.75 in³/min
10 qt/min577.5 in³/min
25 qt/min1443.75 in³/min
50 qt/min2887.5 in³/min
100 qt/min5775 in³/min

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