Convert Slugs per hour to Grains per hour

Convert Slugs per hour (slug/h) to Grains per hour (gr/h) instantly and accurately.

Slugs per hour (slug/h)
Grains per hour (gr/h)

Conversion Formula

gr/h = slug/h × 225218.3399

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.

About Grains per hour

The grain per hour (gr/h) equals 6.479891×10⁻⁵/3600 ≈ 1.800×10⁻⁸ kg/s, used in HVAC psychrometric calculations for dehumidifier capacity and moisture-removal rates. ASHRAE load calculation spreadsheets report latent loads in grains of water per hour; a typical residential dehumidifier removes 5×10⁵-2×10⁶ gr/h. 1 gr/h ≈ 1.800×10⁻⁸ kg/s.

Quick Reference Table

Slugs per hour (slug/h)Grains per hour (gr/h)
1 slug/h225218 gr/h
2 slug/h450437 gr/h
5 slug/h1126090 gr/h
10 slug/h2252180 gr/h
25 slug/h5630460 gr/h
50 slug/h11260900 gr/h
100 slug/h22521800 gr/h

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