Convert Micronewtons per metre to Poundals per inch
Convert Micronewtons per metre (µN/m) to Poundals per inch (pdl/in) instantly and accurately.
Conversion Formula
pdl/in = µN/m × 1.837185518e-7
About Micronewtons per metre
The micronewton per metre (µN/m) equals 10⁻⁶ N/m, used in precision thin-film capillarity studies and cryogenic surface-tension measurements. Liquid helium-4 at 2 K has a surface tension of ~0.37 mN/m (370 µN/m); liquid ³He near absolute zero is even lower. Numerically identical to µJ/m². 1 µN/m = 10⁻³ mN/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
| Micronewtons per metre (µN/m) | Poundals per inch (pdl/in) |
|---|---|
| 1 µN/m | 1.837 × 10-7 pdl/in |
| 2 µN/m | 3.674 × 10-7 pdl/in |
| 5 µN/m | 9.186 × 10-7 pdl/in |
| 10 µN/m | 1.837 × 10-6 pdl/in |
| 25 µN/m | 4.593 × 10-6 pdl/in |
| 50 µN/m | 9.186 × 10-6 pdl/in |
| 100 µN/m | 1.837 × 10-5 pdl/in |