Convert Grains (gr) to US Tons (short ton)
Enter a value below to convert Grains (gr) to US Tons (short ton).
Conversion:
1 Grains (gr) = 7.1428571429e-8 US Tons (short ton)
How to Convert Grains (gr) to US Tons (short ton)
1 gr = 7.1428571429e-8 ton
1 ton = 14000000 gr
Example: convert 15 Grains (gr) to US Tons (short ton):
25 gr = 0.0000017857142857 ton
Grains (gr) to US Tons (short ton) Conversion Table
| Grains (gr) | US Tons (short ton) |
|---|---|
| 0.01 gr | 7.1428571429e-10 ton |
| 0.1 gr | 7.1428571429e-9 ton |
| 1 gr | 7.1428571429e-8 ton |
| 2 gr | 1.4285714286e-7 ton |
| 3 gr | 2.1428571429e-7 ton |
| 5 gr | 3.5714285714e-7 ton |
| 10 gr | 7.1428571429e-7 ton |
| 20 gr | 0.0000014285714286 ton |
| 50 gr | 0.0000035714285714 ton |
| 100 gr | 0.0000071428571429 ton |
| 1000 gr | 0.000071428571429 ton |
Grains (gr)
Definition
A grain (gr) is one of the oldest units of mass, equal to approximately 64.799 milligrams or 1/7000 of a pound avoirdupois.
History
The grain is historically based on the weight of a single cereal grain (wheat or barley). It has been used since ancient civilizations and was the basis for many historical weight systems including the troy and apothecaries' systems.
Current use
Grains are used in ammunition and firearms (bullet and powder charge weights), archery (arrow weights), and some pharmaceutical compounding. The gold and jewelry industries use troy grains.
US Tons (short ton)
Definition
A US ton (short ton) is a unit of mass equal to 2,000 pounds or approximately 907.185 kilograms. It is distinct from the metric ton (1,000 kg) and the UK long ton (2,240 lb).
History
The short ton evolved in the United States as a simplified version of the British long ton, rounding down from 2,240 to 2,000 pounds for easier calculation. It became the standard ton measure in American commerce and industry.
Current use
Short tons are used in the United States for measuring bulk materials (gravel, sand), truck payloads, coal production, and demolition debris. The US mining and construction industries predominantly use short tons.