Convert Grains per second to Milligrams per minute
Convert Grains per second (gr/s) to Milligrams per minute (mg/min) instantly and accurately.
Conversion Formula
mg/min = gr/s × 3887.9346
About Grains per second
The grain per second (gr/s) equals 64.79891 mg/s or 6.479891×10⁻⁵ kg/s. The grain (= 1/7000 lb exactly) is the smallest avoirdupois mass unit, still used in ballistics for bullet and propellant-charge weights. A .308 Winchester rifle bullet of 168 gr fired in 1 s represents 168 gr/s; powder charge is typically 40-46 gr. 1 gr/s = 6.479891×10⁻⁵ kg/s = 64.79891 mg/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 second (gr/s) | Milligrams per minute (mg/min) |
|---|---|
| 1 gr/s | 3887.93 mg/min |
| 2 gr/s | 7775.87 mg/min |
| 5 gr/s | 19439.7 mg/min |
| 10 gr/s | 38879.3 mg/min |
| 25 gr/s | 97198.4 mg/min |
| 50 gr/s | 194397 mg/min |
| 100 gr/s | 388793 mg/min |