Ounce-force.
Ounce-forces to Zeptonewtons Converter — ozf to zN
Convert Ounce-force (ozf) to Zeptonewton (zN) using the exact conversion factor (1 ounce-force = 2.780139e+20 zeptonewton). See the formula, worked examples, and conversion table.
Ounce-forces to Zeptonewtons converter
Converter
Force Converter
Convert newtons, dynes, pound-force, kilogram-force, kips, and ounce-force.
Context values
Some unit families need one extra value for a physically accurate result.
Zeptonewton is 1e-21 newton units.
Result = input x 0.278013851 / 1e-21.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounce-forces to Zeptonewtons
Ounce-force and Zeptonewton both measure force, and the conversion matters whenever an SI-trained engineer needs to compare notes with a US-trained one, or vice versa. Specifically: Ounce-force, and zeptonewton is 1e-21 newton units.
Formula
zeptonewtons = ounce-forces × 2.780139e+20
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce-force equals 0.278013850954 base units, and 1 zeptonewton equals 1e-21 base units, so dividing one by the other gives the direct ounce-force-to-zeptonewton factor of 2.780139e+20.
Simple example
1 ozf × 2.780139e+20 = 2.780139e+20 zN
1 ounce-force = 2.780139e+20 zeptonewtons.
Real-world example
10 ozf × 2.780139e+20 = 2.780139e+21 zN
10 ounce-forces = 2.780139e+21 zeptonewtons.
Conversion table
| Ounce-force (ozf) | Zeptonewton (zN) |
|---|---|
| 1 ozf | 2.780139e+20 zN |
| 5 ozf | 1.390069e+21 zN |
| 10 ozf | 2.780139e+21 zN |
| 50 ozf | 1.390069e+22 zN |
| 100 ozf | 2.780139e+22 zN |
| 1,000 ozf | 2.780139e+23 zN |
Reverse conversion: Zeptonewton to Ounce-force
2.780139e+20 zN × 3.596943e-21 = 1.000000176 ozf
2.780139e+20 zeptonewtons = 1.000000176 ounce-forces.
ounce-forces = zeptonewtons × 3.596943e-21
For a page dedicated to this direction, see Zeptonewton to Ounce-force.
Understanding the Ounce-force (ozf)
Ounce-force.
Understanding the Zeptonewton (zN)
Zeptonewton is 1e-21 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many zeptonewtons are in 1 ounce-force?
1 ounce-force equals 2.780139e+20 zeptonewtons, using the exact defined conversion factor rather than an estimate.
How do I convert ounce-force to zeptonewton?
Multiply the ounce-force value by 2.780139e+20. The converter above does this instantly to whatever precision you set.
How do I convert zeptonewton back to ounce-force?
Use the reverse factor: 1 zeptonewton equals 3.596943e-21 ounce-forces. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce-force?
Ounce-force (ozf) is a unit of force.
What is a zeptonewton?
Zeptonewton (zN) is a unit of force.
Is the ounce-force to zeptonewton conversion exact?
Yes. Both ounce-force and zeptonewton are defined by fixed standards rather than physical artifacts, so the factor of 2.780139e+20 used above is exact to as many digits as you choose to display.