Convert Millinewtons per metre to Poundals per inch
Convert Millinewtons per metre (mN/m) to Poundals per inch (pdl/in) instantly and accurately.
Conversion Formula
pdl/in = mN/m × 0.0001837185518
About Millinewtons per metre
The millinewton per metre (mN/m) equals 10⁻³ N/m, the most widely used practical unit for liquid surface tension worldwide. Water at 20 °C: 72.8 mN/m; ethanol: 22.1 mN/m; mercury: 485 mN/m; olive oil: ~32 mN/m. Numerically identical to dyn/cm, erg/cm² and mJ/m². 1 mN/m = 10⁻³ N/m.
About Poundals per inch
The poundal per inch (pdl/in) equals 0.45359237 × 12 N/m = 5.44310844 N/m exactly (since 0.3048/0.0254 = 12). A foot-pound-second (FPS) unit rarely encountered in modern practice but found in historical US engineering tables predating SI adoption. 1 pdl/in = 5.44310844 N/m ≈ 5 443 mN/m.
Quick Reference Table
| Millinewtons per metre (mN/m) | Poundals per inch (pdl/in) |
|---|---|
| 1 mN/m | 0.000183719 pdl/in |
| 2 mN/m | 0.000367437 pdl/in |
| 5 mN/m | 0.000918593 pdl/in |
| 10 mN/m | 0.00183719 pdl/in |
| 25 mN/m | 0.00459296 pdl/in |
| 50 mN/m | 0.00918593 pdl/in |
| 100 mN/m | 0.0183719 pdl/in |