A grain is exactly 64.79891 milligrams.
Grains to Short tons Converter — gr to ton
Convert Grain (gr) to Short ton (ton) using the exact conversion factor (1 grain = 7.142857e-8 short ton). See the formula, worked examples, and conversion table.
Grains to Short tons converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Context values
Some unit families need one extra value for a physically accurate result.
A US short ton is 2,000 pounds.
Result = input x 6.479891e-5 / 907.18474.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains to Short tons
Weight conversions between Grain and Short ton come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Specifically: A grain is exactly 64.79891 milligrams, and a US short ton is 2,000 pounds.
Formula
short tons = grains × 7.142857e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 grain equals 0.00006479891 base units, and 1 short ton equals 907.18474 base units, so dividing one by the other gives the direct grain-to-short ton factor of 7.142857e-8.
Simple example
1 gr × 7.142857e-8 = 7.142857e-8 ton
1 grain = 7.142857e-8 short tons.
Real-world example
50 gr × 7.142857e-8 = 0.0000035714 ton
50 grains = 0.0000035714 short tons.
Conversion table
| Grain (gr) | Short ton (ton) |
|---|---|
| 1 gr | 7.142857e-8 ton |
| 5 gr | 3.571429e-7 ton |
| 10 gr | 7.142857e-7 ton |
| 25 gr | 0.0000017857 ton |
| 50 gr | 0.0000035714 ton |
| 100 gr | 0.0000071429 ton |
Reverse conversion: Short ton to Grain
7.142857e-8 ton × 14000000 = 0.99999998 gr
7.142857e-8 short tons = 0.99999998 grains.
grains = short tons × 14000000
For a page dedicated to this direction, see Short ton to Grain.
Understanding the Grain (gr)
A grain is exactly 64.79891 milligrams.
Understanding the Short ton (ton)
A US short ton is 2,000 pounds.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many short tons are in 1 grain?
1 grain equals 7.142857e-8 short tons, using the exact defined conversion factor rather than an estimate.
How do I convert grain to short ton?
Multiply the grain value by 7.142857e-8. The converter above does this instantly to whatever precision you set.
How do I convert short ton back to grain?
Use the reverse factor: 1 short ton equals 14,000,000 grains. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain?
Grain (gr) is a unit of mass/weight.
What is a short ton?
Short ton (ton) is a unit of mass/weight.
Is the grain to short ton conversion exact?
Yes. Both grain and short ton are defined by fixed standards rather than physical artifacts, so the factor of 7.142857e-8 used above is exact to as many digits as you choose to display.