Convert Kip to Teranewtons
Convert Kip (kip) to Teranewtons (TN) instantly and accurately.
Conversion Formula
TN = kip × 4.448221615e-9
About Kip
One kip (kilo-pound) is exactly 1,000 lbf - approximately 4,448 N. It is the primary force unit in US structural engineering: AISC and ACI 318 specify column loads, beam reactions, and connection capacities in kips and kip·ft or kip·in. 'ksi' (kips per square inch) gives steel yield strength - ASTM A36 yields at 36 ksi; A992/A572 at 50 ksi. Crane capacities, prestressed concrete jacking forces, and soil bearing limits in US geotechnical practice are all in kips. 1 kip = 1,000 lbf = 4,448.22 N = 453.59 kgf.
About Teranewtons
One teranewton (TN) is 10¹² N - the force scale of plate tectonics and planetary dynamics. Mantle convection drags tectonic plates with 10¹³-10¹⁵ N per plate, putting the plate-driving slab-pull force (~10¹³ N) firmly in the TN range. Mid-ocean ridge lithosphere sustains several TN per km of spreading length in tension. The tidal force differential across Earth's diameter from the Sun is ~4 × 10¹⁷ N = 4 × 10⁵ TN. Proposed megastructures (space elevators, orbital rings) would also require teranewton-scale structural capacity. 1 TN = 1,000 GN = 10¹² N ≈ 10¹¹ kgf.
Quick Reference Table
| Kip (kip) | Teranewtons (TN) |
|---|---|
| 1 kip | 4.448 × 10-9 TN |
| 2 kip | 8.896 × 10-9 TN |
| 5 kip | 2.224 × 10-8 TN |
| 10 kip | 4.448 × 10-8 TN |
| 25 kip | 1.112 × 10-7 TN |
| 50 kip | 2.224 × 10-7 TN |
| 100 kip | 4.448 × 10-7 TN |