A British long ton is 2,240 pounds.
Long tons to Drams Converter — long ton to dr
Convert Long ton (long ton) to Dram (dr) using the exact conversion factor (1 long ton = 573,440 dram). See the formula, worked examples, and conversion table.
Long tons to Drams 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.
An avoirdupois dram is 1/16 ounce.
Result = input x 1016.046909 / 0.001771845195.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons to Drams
Weight conversions between Long ton and Dram 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 an avoirdupois dram is 1/16 ounce.
Formula
drams = long tons × 573440
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 dram equals 0.00177184519531 base units, so dividing one by the other gives the direct long ton-to-dram factor of 573440.
Simple example
1 long ton × 573440 = 573,440 dr
1 long ton = 573,440 drams.
Real-world example
50 long ton × 573440 = 28,672,000 dr
50 long tons = 28,672,000 drams.
Conversion table
| Long ton (long ton) | Dram (dr) |
|---|---|
| 1 long ton | 573,440 dr |
| 5 long ton | 2,867,200 dr |
| 10 long ton | 5,734,400 dr |
| 25 long ton | 14,336,000 dr |
| 50 long ton | 28,672,000 dr |
| 100 long ton | 57,344,000 dr |
Reverse conversion: Dram to Long ton
1 dr × 0.000001743861607 = 0.0000017439 long ton
1 dram = 0.0000017439 long tons.
long tons = drams × 0.00000174386160714
For a page dedicated to this direction, see Dram to Long ton.
Understanding the Long ton (long ton)
A British long ton is 2,240 pounds.
Understanding the Dram (dr)
An avoirdupois dram is 1/16 ounce.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams are in 1 long ton?
1 long ton equals 573,440 drams, using the exact defined conversion factor rather than an estimate.
How do I convert long ton to dram?
Multiply the long ton value by 573440. The converter above does this instantly to whatever precision you set.
How do I convert dram back to long ton?
Use the reverse factor: 1 dram equals 0.0000017439 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 dram?
Dram (dr) is a unit of mass/weight.
Is the long ton to dram conversion exact?
Yes. Both long ton and dram are defined by fixed standards rather than physical artifacts, so the factor of 573440 used above is exact to as many digits as you choose to display.