Dram to Long Ton (UK) Converter
Convert Dram (dr) to Long Ton (UK) (long ton) instantly. 1 dr = 1.743862e-6 long ton.
Mass Converter
26 units available
1 dr = 1.743862e-6 long ton
Formula:
long ton = dr × 0.0000017439With your value: 1 dr = 1.743862e-6 long ton
How big is that?
Everyday references on a logarithmic scale, all expressed in dram so you can sanity-check the result.
Other Dram to Long Ton (UK) conversions
Dram to Long Ton (UK) Conversion Table
| Dram (dr) | Long Ton (UK) (long ton) |
|---|---|
| 0.5 | 8.719308e-7 |
| 1 | 1.743862e-6 |
| 2 | 3.487723e-6 |
| 5 | 8.719308e-6 |
| 10 | 1.743862e-5 |
| 15 | 2.615792e-5 |
| 20 | 3.487723e-5 |
| 25 | 4.359654e-5 |
| 50 | 8.719308e-5 |
| 100 | 0.000174 |
| 250 | 0.000436 |
| 500 | 0.000872 |
| 1000 | 0.001744 |
Long Ton (UK) to Dram Conversion Table
| Long Ton (UK) (long ton) | Dram (dr) |
|---|---|
| 0.5 | 286,720 |
| 1 | 573,440 |
| 2 | 1,146,880 |
| 5 | 2,867,200 |
| 10 | 5,734,400 |
| 15 | 8,601,600 |
| 20 | 11,468,800 |
| 25 | 14,336,000 |
| 50 | 28,672,000 |
| 100 | 57,344,000 |
| 250 | 143,360,000 |
| 500 | 286,720,000 |
| 1000 | 573,440,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Dram (dr)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Long Ton (UK) (long ton)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Dram to Long Ton (UK)
To convert from Dram (dr) to Long Ton (UK) (long ton), multiply the value by 1.743862e-6.
Formula: long ton = dr × 0.0000017439
Reverse: dr = long ton × 573,440
Step-by-Step Example
- Start with your value in Dram. For example: 5 dr
- Multiply by the conversion factor: 5 x 1.743862e-6
- The result is: 8.719308e-6 long ton
About Dram
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: mass calculations, engineering and science, education.
About Long Ton (UK)
The long ton (imperial ton) equals 2,240 pounds or 1,016.0469088 kg, and remains in use for shipping displacement.
Common uses: shipping, UK industry (historic).
Frequently Asked Questions
How many Long Ton (UK) are in 1 Dram?
There are exactly 1.743862e-6 Long Ton (UK) in 1 Dram. This means the conversion factor from Dram to Long Ton (UK) is 1.743862e-6.
What is the formula to convert Dram to Long Ton (UK)?
The formula to convert Dram to Long Ton (UK) is: long ton = dr × 0.0000017439. For example, to convert 10 Dram to Long Ton (UK), you would multiply 10 by 1.743862e-6.
What is a Dram?
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Long Ton (UK)?
The long ton (imperial ton) equals 2,240 pounds or 1,016.0469088 kg, and remains in use for shipping displacement.
What are the common uses of Dram?
The Dram is commonly used in mass calculations, engineering and science, education.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Dram to Long Ton (UK) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/dram-to-long_ton