Convert Ounce-Force to Kilonewtons
Convert Ounce-Force (ozf) to Kilonewtons (kN) instantly and accurately.
Conversion Formula
kN = ozf × 0.000278013851
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 Kilonewtons
A kilonewton (kN) is 1,000 N - the standard force unit for structural engineering outside North America. A 70 kg person exerts ~0.687 kN; a heavy goods vehicle axle 100-130 kN; a loaded Boeing 747 on its landing gear ~2,800 kN. Eurocode and BS EN structural codes express beam loads and foundation reactions in kN and bending moments in kN·m. Universal testing machines for materials testing are rated 10-10,000 kN. Prestressed concrete tendons are stressed to 100-250 kN each. 1 kN = 1,000 N = 224.81 lbf = 101.97 kgf.
Quick Reference Table
| Ounce-Force (ozf) | Kilonewtons (kN) |
|---|---|
| 1 ozf | 0.000278014 kN |
| 2 ozf | 0.000556028 kN |
| 5 ozf | 0.00139007 kN |
| 10 ozf | 0.00278014 kN |
| 25 ozf | 0.00695035 kN |
| 50 ozf | 0.0139007 kN |
| 100 ozf | 0.0278014 kN |