Convert Grains per second to Kilograms per minute
Convert Grains per second (gr/s) to Kilograms per minute (kg/min) instantly and accurately.
Conversion Formula
kg/min = gr/s × 0.0038879346
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 Kilograms per minute
The kilogram per minute (kg/min) equals 1/60 kg/s ≈ 0.01667 kg/s, convenient for medium-scale industrial processes and chemical reactors. A cement transit-mixer discharges ready-mix at ≈200-400 kg/min; a grain auger on a combine harvester typically moves 300-600 kg/min; an industrial coffee roaster cycles 120-180 kg/min of beans through the drum. 1 kg/min = 1/60 kg/s = 60 kg/h.
Quick Reference Table
| Grains per second (gr/s) | Kilograms per minute (kg/min) |
|---|---|
| 1 gr/s | 0.00388793 kg/min |
| 2 gr/s | 0.00777587 kg/min |
| 5 gr/s | 0.0194397 kg/min |
| 10 gr/s | 0.0388793 kg/min |
| 25 gr/s | 0.0971984 kg/min |
| 50 gr/s | 0.194397 kg/min |
| 100 gr/s | 0.388793 kg/min |