Convert Poundal feet to Kilonewton metres
Convert Poundal feet (pdl·ft) to Kilonewton metres (kN·m) instantly and accurately.
Conversion Formula
kN·m = pdl·ft × 4.214011009e-5
About Poundal feet
The poundal foot (pdl·ft) equals ≈ 0.04214 N·m, the torque unit of the absolute foot-pound-second system, where force is in poundals (1 pdl = 1 lb·ft/s²) rather than pound-force. It appeared in pre-SI British and American engineering texts and NACA aerodynamic stability reports alongside slug inertia values. 1 pdl·ft = 0.45359237 × 0.3048² N·m ≈ 0.04214 N·m ≈ 0.3730 lbf·in.
About Kilonewton metres
The kilonewton metre (kN·m) equals 1000 N·m, the standard unit for structural and civil engineering bending moments and large-machine torques. Steel beam connection bolts, industrial gearbox output shafts, ship propeller shaft flanges, and large AC induction motor ratings are specified in kN·m. Wind turbine mainshaft torques reach 1-10 MN·m. 1 kN·m = 1000 N·m ≈ 737.6 lbf·ft ≈ 0.7376 kip·ft ≈ 102.0 kgf·m.
Quick Reference Table
| Poundal feet (pdl·ft) | Kilonewton metres (kN·m) |
|---|---|
| 1 pdl·ft | 4.214 × 10-5 kN·m |
| 2 pdl·ft | 8.428 × 10-5 kN·m |
| 5 pdl·ft | 0.000210701 kN·m |
| 10 pdl·ft | 0.000421401 kN·m |
| 25 pdl·ft | 0.0010535 kN·m |
| 50 pdl·ft | 0.00210701 kN·m |
| 100 pdl·ft | 0.00421401 kN·m |