Convert Grains per hour to Milligrams per minute
Convert Grains per hour (gr/h) to Milligrams per minute (mg/min) instantly and accurately.
Conversion Formula
mg/min = gr/h × 1.079981833
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.
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.
Quick Reference Table
| Grains per hour (gr/h) | Milligrams per minute (mg/min) |
|---|---|
| 1 gr/h | 1.07998 mg/min |
| 2 gr/h | 2.15996 mg/min |
| 5 gr/h | 5.39991 mg/min |
| 10 gr/h | 10.7998 mg/min |
| 25 gr/h | 26.9995 mg/min |
| 50 gr/h | 53.9991 mg/min |
| 100 gr/h | 107.998 mg/min |