Ounce-force (ozf)
The ounce-force (ozf) is 1/16 of a pound-force, about 0.278 N.
Symbol: ozf
Quantity: force
SI relation: 1 ozf = 0.2780138509538 N (exact)
Derivation: 1 ozf = 1/16 lbf = 0.27801385095378 N
Exact: yes, by definition
Typical uses
- Small spring and switch forces
- Keyboard actuation force (often in grams-force)
Convert ounces-force to other units
| Conversion | 1 ozf equals | Reverse |
|---|---|---|
| ounce-force to newton | 0.278013851 N | newton to ounce-force |
| ounce-force to kilonewton | 0.000278013851 kN | kilonewton to ounce-force |
| ounce-force to pound-force | 0.0625 lbf | pound-force to ounce-force |
| ounce-force to kilogram-force | 0.02834952313 kgf | kilogram-force to ounce-force |
| ounce-force to kip | 0.0000625 kip | kip to ounce-force |
| ounce-force to dyne | 27801.3851 dyn | dyne to ounce-force |
| ounce-force to gram-force | 28.34952313 gf | gram-force to ounce-force |
Open the Force Converter to convert any value between all units.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "ounce (avoirdupois)-force (ozf)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Ounce-force (ozf). Retrieved October 17, 2026, from https://scientificconverters.com/units/ounce-force/
IEEE
Scientific Converters, "Ounce-force (ozf)," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/units/ounce-force/