Force and Torque
ozftoN
Convert ounces-force (ozf) to newtons (N).
Factor1 ozf = 0.2780139 N
Converter
ozf
Accepts numbers or expressions, e.g. 150 + 14.7
Result
N
Rendered to 6 significant figures.
Formula
Formula
N = ozf × 0.2780139
Multiply any value in ounces-force by 0.2780139 to obtain the value in newtons.
Worked example
Convert 100 ozf to N.
- 01Start with 100 ozf.
- 02Multiply by the conversion factor: 100 × 0.2780139 = 27.8014 N.
Result100 ozf = 27.8014 N
Conversion table
| ozf | N |
|---|---|
| 1 | 0.27801 |
| 2 | 0.55603 |
| 5 | 1.3901 |
| 10 | 2.7801 |
| 20 | 5.5603 |
| 50 | 13.901 |
| 100 | 27.801 |
| 200 | 55.603 |
| 500 | 139.01 |
| 1000 | 278.01 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from ozf to N?
1 ozf equals 0.2780139 N. To convert, multiply the value in ounces-force by 0.2780139.
How do I convert 1 ozf to N?
1 ozf = 0.278014 N. For any value, multiply by 0.2780139.
How do I convert N back to ozf?
Divide by the same factor — or equivalently, multiply by 3.596943. So 1 N = 3.59694 ozf.
When would I need to convert ounce-force to newton?
Force conversions between ozf and N are needed in structural analysis, mechanical equipment design, lifting and rigging calculations, and load specification. Newtons and kilonewtons are standard in SI-based structural codes; pound-force and kips are common in US codes and vendor datasheets.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).