Convert Grains per minute to Grains per hour

Convert Grains per minute (gr/min) to Grains per hour (gr/h) instantly and accurately.

Grains per minute (gr/min)
Grains per hour (gr/h)

Conversion Formula

gr/h = gr/min × 60

About Grains per minute

The grain per minute (gr/min) equals 6.479891×10⁻⁵/60 ≈ 1.080×10⁻⁶ kg/s. This unit appears in HVAC humidity engineering: moisture added or removed from conditioned air is traditionally expressed in grains of water per pound of dry air per minute in US practice. A whole-house humidifier may evaporate 300-600 gr/min at design load. 1 gr/min ≈ 1.080×10⁻⁶ kg/s.

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

Grains per minute (gr/min)Grains per hour (gr/h)
1 gr/min60 gr/h
2 gr/min120 gr/h
5 gr/min300 gr/h
10 gr/min600 gr/h
25 gr/min1500 gr/h
50 gr/min3000 gr/h
100 gr/min6000 gr/h

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