Convert Ounces-force to Pounds-force
1 ounce-force (ozf) equals 0.0625 pounds-force (lbf).
1 ozf = 0.0625 lbf
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk ounce-force to pound-force converter to paste a column from Excel.
How to Convert Ounce-force to Pound-force
- 1 ozf = 0.0625 lbf
- 1 lbf = 16 ozf
- Example: convert 15 ozf to lbf: 15 ozf = 15 × 0.0625 lbf = 0.9375 lbf
Formula
lbf = ozf ÷ 16
Derivation from SI units:
- 1 ozf = 1/16 lbf = 0.27801385095378 N
- 1 lbf = 0.45359237 kg × 9.80665 m/s² = 4.4482216152605 N
- 1 ozf = 0.2780138509538 N ÷ 4.448221615261 N per lbf = 0.0625 lbf
Both units are defined exactly, so the factor is exact. Ounce-force definition: ounce-force; Pound-force definition: pound-force.
Worked examples
- A reading of 4 ozf converts to 0.25 lbf.
4 ozf × 0.0625 = 0.25 lbf - A value of 16 ozf is 1 lbf.
16 ozf × 0.0625 = 1 lbf
Ounce-force to Pound-force conversion table
| Ounces-force (ozf) | Pounds-force (lbf) |
|---|---|
| 0.5 ozf | 0.03125 lbf |
| 1 ozf | 0.0625 lbf |
| 2 ozf | 0.125 lbf |
| 4 ozf | 0.25 lbf |
| 8 ozf | 0.5 lbf |
| 10 ozf | 0.625 lbf |
| 16 ozf | 1 lbf |
| 32 ozf | 2 lbf |
| 64 ozf | 4 lbf |
| 100 ozf | 6.25 lbf |
Where it's used
Ounces-force are used for small spring and switch forces, while pounds-force appear in thrust, tension and load ratings in US units. Both measure force, so the conversion is a fixed factor.
Ounce-force to other force units
| Conversion | 1 ozf equals |
|---|---|
| ounce-force to newton | 0.278013851 N |
| ounce-force to kilonewton | 0.000278013851 kN |
| ounce-force to pound-force | 0.0625 lbf |
| ounce-force to kilogram-force | 0.02834952313 kgf |
| ounce-force to kip | 0.0000625 kip |
| ounce-force to dyne | 27801.3851 dyn |
| ounce-force to gram-force | 28.34952313 gf |
Frequently asked questions
How many pounds-force are in 1 ounce-force?
1 ozf = 0.0625 lbf.
How do I convert ounces-force to pounds-force?
Multiply the value in ozf by 0.0625, or divide it by 16. For example, 15 ozf × 0.0625 = 0.9375 lbf.
Is the ozf to lbf conversion exact?
Yes. Both units are defined exactly, and 1 ozf is exactly 0.0625 lbf.
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)".
- 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, "pound-force (lbf)".
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). Convert Ounces-force to Pounds-force. Retrieved October 17, 2026, from https://scientificconverters.com/force/ounce-force-to-pound-force/
IEEE
Scientific Converters, "Convert Ounces-force to Pounds-force," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/force/ounce-force-to-pound-force/