Density and Mass
drtoton (UK)
Convert drams (avoirdupois) (dr) to long tons (UK tons) (ton (UK)).
Factor1 dr = 1.743862e-6 ton (UK)
Converter
dr
Accepts numbers or expressions, e.g. 150 + 14.7
Result
ton (UK)
Rendered to 6 significant figures.
Formula
Formula
ton (UK) = dr × 1.743862e-6
Multiply any value in drams (avoirdupois) by 1.743862e-6 to obtain the value in long tons (UK tons).
Worked example
Convert 573440 dr to ton (UK).
- 01Start with 573440 dr.
- 02Multiply by the conversion factor: 573440 × 1.743862e-6 = 1 ton (UK).
Result573440 dr = 1 ton (UK)
Conversion table
| dr | ton (UK) |
|---|---|
| 1 | 1.7439e-6 |
| 2 | 3.4877e-6 |
| 5 | 8.7193e-6 |
| 10 | 1.7439e-5 |
| 20 | 3.4877e-5 |
| 50 | 8.7193e-5 |
| 100 | 0.00017439 |
| 200 | 0.00034877 |
| 500 | 0.00087193 |
| 1000 | 0.0017439 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from dr to ton (UK)?
1 dr equals 1.743862e-6 ton (UK). To convert, multiply the value in drams (avoirdupois) by 1.743862e-6.
How do I convert 1 dr to ton (UK)?
1 dr = 1.74386e-6 ton (UK). For any value, multiply by 1.743862e-6.
How do I convert ton (UK) back to dr?
Divide by the same factor — or equivalently, multiply by 573440. So 1 ton (UK) = 573440 dr.
When would I need to convert dram (avoirdupois) to long ton (UK ton)?
Mass conversions appear in material balances, reagent dosing, and reconciling vendor specifications across imperial/metric systems.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).