A British long ton is 2,240 pounds.
Long tons to Grains Converter — long ton to gr
Convert Long ton (long ton) to Grain (gr) using the exact conversion factor (1 long ton = 15,680,000 grain). See the formula, worked examples, and conversion table.
Long tons to Grains 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 grain is exactly 64.79891 milligrams.
Result = input x 1016.046909 / 6.479891e-5.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons to Grains
Weight conversions between Long ton and Grain 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 British long ton is 2,240 pounds, and a grain is exactly 64.79891 milligrams.
Formula
grains = long tons × 15680000
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton equals 1016.0469088 base units, and 1 grain equals 0.00006479891 base units, so dividing one by the other gives the direct long ton-to-grain factor of 15680000.
Simple example
1 long ton × 15680000 = 15,680,000 gr
1 long ton = 15,680,000 grains.
Real-world example
50 long ton × 15680000 = 784,000,000 gr
50 long tons = 784,000,000 grains.
Conversion table
| Long ton (long ton) | Grain (gr) |
|---|---|
| 1 long ton | 15,680,000 gr |
| 5 long ton | 78,400,000 gr |
| 10 long ton | 156,800,000 gr |
| 25 long ton | 392,000,000 gr |
| 50 long ton | 784,000,000 gr |
| 100 long ton | 1,568,000,000 gr |
Reverse conversion: Grain to Long ton
1 gr × 6.377551e-8 = 6.377551e-8 long ton
1 grain = 6.377551e-8 long tons.
long tons = grains × 6.377551e-8
For a page dedicated to this direction, see Grain to Long ton.
Understanding the Long ton (long ton)
A British long ton is 2,240 pounds.
Understanding the Grain (gr)
A grain is exactly 64.79891 milligrams.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains are in 1 long ton?
1 long ton equals 15,680,000 grains, using the exact defined conversion factor rather than an estimate.
How do I convert long ton to grain?
Multiply the long ton value by 15680000. The converter above does this instantly to whatever precision you set.
How do I convert grain back to long ton?
Use the reverse factor: 1 grain equals 6.377551e-8 long tons. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton?
Long ton (long ton) is a unit of mass/weight.
What is a grain?
Grain (gr) is a unit of mass/weight.
Is the long ton to grain conversion exact?
Yes. Both long ton and grain are defined by fixed standards rather than physical artifacts, so the factor of 15680000 used above is exact to as many digits as you choose to display.