Convert Grains per minute to Long hundredweights per day
Convert Grains per minute (gr/min) to Long hundredweights per day (cwt/d) instantly and accurately.
Conversion Formula
cwt/d = gr/min × 0.001836734694
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 Long hundredweights per day
The long hundredweight per day (cwt/d, UK) equals 50.80234544/86400 ≈ 5.880×10⁻⁴ kg/s, encountered in legacy British industrial reports for colliery output, port-handling capacity, and sugar-refinery throughput. Historical British coal-mine productivity was routinely expressed in long cwt per miner per day. 1 long cwt/d ≈ 5.880×10⁻⁴ kg/s = 112 lb/d.
Quick Reference Table
| Grains per minute (gr/min) | Long hundredweights per day (cwt/d) |
|---|---|
| 1 gr/min | 0.00183673 cwt/d |
| 2 gr/min | 0.00367347 cwt/d |
| 5 gr/min | 0.00918367 cwt/d |
| 10 gr/min | 0.0183673 cwt/d |
| 25 gr/min | 0.0459184 cwt/d |
| 50 gr/min | 0.0918367 cwt/d |
| 100 gr/min | 0.183673 cwt/d |