Convert Milligrams per minute to Grains per hour
Convert Milligrams per minute (mg/min) to Grains per hour (gr/h) instantly and accurately.
Conversion Formula
gr/h = mg/min × 0.9259415012
About Milligrams per minute
The milligram per minute (mg/min) equals 10⁻⁶/60 ≈ 1.667×10⁻⁸ kg/s, the preferred unit for laboratory peristaltic pump output and aerosol generator calibration. Metered-dose inhalers deliver 100-500 µg of active compound per actuation; at 1 actuation per minute that is 0.1-0.5 mg/min. 1 mg/min = 1/60 mg/s ≈ 1.667×10⁻⁸ 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
| Milligrams per minute (mg/min) | Grains per hour (gr/h) |
|---|---|
| 1 mg/min | 0.925942 gr/h |
| 2 mg/min | 1.85188 gr/h |
| 5 mg/min | 4.62971 gr/h |
| 10 mg/min | 9.25942 gr/h |
| 25 mg/min | 23.1485 gr/h |
| 50 mg/min | 46.2971 gr/h |
| 100 mg/min | 92.5942 gr/h |