Convert Grains per second to Long tons per minute
Convert Grains per second (gr/s) to Long tons per minute (long ton/min) instantly and accurately.
Conversion Formula
long ton/min = gr/s × 3.826530612e-6
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 Long tons per minute
The long ton per minute (long ton/min) equals 1 016.0469088/60 ≈ 16.934 kg/s, historically used in British blast-furnace output measurements, port handling-rate calculations, and Royal Navy fuel-consumption specifications. A large grain terminal loading a Panamax vessel may achieve 4 000 long ton/h = ≈67 long ton/min. 1 long ton/min ≈ 16.934 kg/s.
Quick Reference Table
| Grains per second (gr/s) | Long tons per minute (long ton/min) |
|---|---|
| 1 gr/s | 3.827 × 10-6 long ton/min |
| 2 gr/s | 7.653 × 10-6 long ton/min |
| 5 gr/s | 1.913 × 10-5 long ton/min |
| 10 gr/s | 3.827 × 10-5 long ton/min |
| 25 gr/s | 9.566 × 10-5 long ton/min |
| 50 gr/s | 0.000191327 long ton/min |
| 100 gr/s | 0.000382653 long ton/min |