Convert Pounds per minute to Slugs per hour

Convert Pounds per minute (lb/min) to Slugs per hour (slug/h) instantly and accurately.

Pounds per minute (lb/min)
Slugs per hour (slug/h)

Conversion Formula

slug/h = lb/min × 1.86485701

About Pounds per minute

The pound per minute (lb/min) equals 0.45359237/60 ≈ 7.560×10⁻³ kg/s, the standard unit for US fire-suppression system design (sprinkler flow demand) and HVAC hydronic loop balancing. A fire-sprinkler head at 15 psi discharges roughly 30-40 lb/min of water; industrial humidifiers are rated in lb/min of steam. 1 lb/min ≈ 7.560×10⁻³ kg/s = 60 lb/h.

About Slugs per hour

The slug per hour (slug/h) equals 14.5939029372/3600 ≈ 4.054×10⁻³ kg/s, used in aviation aerodynamics problems expressed in foot-pound-second units. Engine mass-flow data from legacy US military specifications and NASA test reports use slug/h as an intermediate unit between the tiny slug/s and large slug/day. 1 slug/h ≈ 4.054×10⁻³ kg/s ≈ 32.174 lb/h.

Quick Reference Table

Pounds per minute (lb/min)Slugs per hour (slug/h)
1 lb/min1.86486 slug/h
2 lb/min3.72971 slug/h
5 lb/min9.32429 slug/h
10 lb/min18.6486 slug/h
25 lb/min46.6214 slug/h
50 lb/min93.2429 slug/h
100 lb/min186.486 slug/h

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