Force and Torque
pdltotnf (UK)
Convert poundals (pdl) to UK long tons-force (tnf (UK)).
Factor1 pdl = 1.387542e-5 tnf (UK)
Converter
pdl
Accepts numbers or expressions, e.g. 150 + 14.7
Result
tnf (UK)
Rendered to 6 significant figures.
Formula
Formula
tnf (UK) = pdl × 1.387542e-5
Multiply any value in poundals by 1.387542e-5 to obtain the value in UK long tons-force.
Worked example
Convert 100000 pdl to tnf (UK).
- 01Start with 100000 pdl.
- 02Multiply by the conversion factor: 100000 × 1.387542e-5 = 1.38754 tnf (UK).
Result100000 pdl = 1.38754 tnf (UK)
Conversion table
| pdl | tnf (UK) |
|---|---|
| 1 | 1.3875e-5 |
| 2 | 2.7751e-5 |
| 5 | 6.9377e-5 |
| 10 | 0.00013875 |
| 20 | 0.00027751 |
| 50 | 0.00069377 |
| 100 | 0.0013875 |
| 200 | 0.0027751 |
| 500 | 0.0069377 |
| 1000 | 0.013875 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from pdl to tnf (UK)?
1 pdl equals 1.387542e-5 tnf (UK). To convert, multiply the value in poundals by 1.387542e-5.
How do I convert 1 pdl to tnf (UK)?
1 pdl = 1.38754e-5 tnf (UK). For any value, multiply by 1.387542e-5.
How do I convert tnf (UK) back to pdl?
Divide by the same factor — or equivalently, multiply by 72069.87. So 1 tnf (UK) = 72069.9 pdl.
When would I need to convert poundal to UK long ton-force?
Force conversions between pdl and tnf (UK) are needed in structural analysis, mechanical equipment design, lifting and rigging calculations, and load specification. Newtons and kilonewtons are standard in SI-based structural codes; pound-force and kips are common in US codes and vendor datasheets.
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).