Convert Ounce-Force to Teranewtons
Convert Ounce-Force (ozf) to Teranewtons (TN) instantly and accurately.
Conversion Formula
TN = ozf × 2.780138510e-13
About Ounce-Force
One ounce-force (ozf) is 1/16 of a pound-force - approximately 0.2780 N. It is used for small-scale US customary force measurements: postal scales, miniature connector insertion forces, and small latch springs. Hobby servo motor torque is rated in oz·in (ounce-inches); dividing by arm length gives force in ozf. Snap, zipper, and hook-and-loop closure test gauges specify pull-off forces in ozf. Cosmetic packaging component actuation forces (lipstick, compact closures) also use ozf. 1 ozf = 1/16 lbf = 28.3495 gf = 0.27801 N.
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
| Ounce-Force (ozf) | Teranewtons (TN) |
|---|---|
| 1 ozf | 2.78 × 10-13 TN |
| 2 ozf | 5.56 × 10-13 TN |
| 5 ozf | 1.39 × 10-12 TN |
| 10 ozf | 2.78 × 10-12 TN |
| 25 ozf | 6.95 × 10-12 TN |
| 50 ozf | 1.39 × 10-11 TN |
| 100 ozf | 2.78 × 10-11 TN |