Convert Kilograms per minute to Grains per second
Convert Kilograms per minute (kg/min) to Grains per second (gr/s) instantly and accurately.
Conversion Formula
gr/s = kg/min × 257.2059725
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.
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.
Quick Reference Table
| Kilograms per minute (kg/min) | Grains per second (gr/s) |
|---|---|
| 1 kg/min | 257.206 gr/s |
| 2 kg/min | 514.412 gr/s |
| 5 kg/min | 1286.03 gr/s |
| 10 kg/min | 2572.06 gr/s |
| 25 kg/min | 6430.15 gr/s |
| 50 kg/min | 12860.3 gr/s |
| 100 kg/min | 25720.6 gr/s |