Density and Mass
dwttoton (UK)
Convert pennyweights (troy) (dwt) to long tons (UK tons) (ton (UK)).
Factor1 dwt = 1.530612e-6 ton (UK)
Converter
dwt
Accepts numbers or expressions, e.g. 150 + 14.7
Result
ton (UK)
Rendered to 6 significant figures.
Formula
Formula
ton (UK) = dwt × 1.530612e-6
Multiply any value in pennyweights (troy) by 1.530612e-6 to obtain the value in long tons (UK tons).
Worked example
Convert 700000 dwt to ton (UK).
- 01Start with 700000 dwt.
- 02Multiply by the conversion factor: 700000 × 1.530612e-6 = 1.07143 ton (UK).
Result700000 dwt = 1.07143 ton (UK)
Conversion table
| dwt | ton (UK) |
|---|---|
| 1 | 1.5306e-6 |
| 2 | 3.0612e-6 |
| 5 | 7.6531e-6 |
| 10 | 1.5306e-5 |
| 20 | 3.0612e-5 |
| 50 | 7.6531e-5 |
| 100 | 0.00015306 |
| 200 | 0.00030612 |
| 500 | 0.00076531 |
| 1000 | 0.0015306 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from dwt to ton (UK)?
1 dwt equals 1.530612e-6 ton (UK). To convert, multiply the value in pennyweights (troy) by 1.530612e-6.
How do I convert 1 dwt to ton (UK)?
1 dwt = 1.53061e-6 ton (UK). For any value, multiply by 1.530612e-6.
How do I convert ton (UK) back to dwt?
Divide by the same factor — or equivalently, multiply by 653333.3. So 1 ton (UK) = 653333 dwt.
When would I need to convert pennyweight (troy) 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).