Zeptonewton is 1e-21 newton units.
Zeptonewtons to Ounce-forces Converter — zN to ozf
Convert Zeptonewton (zN) to Ounce-force (ozf) using the exact conversion factor (1 zeptonewton = 3.596943e-21 ounce-force). See the formula, worked examples, and conversion table.
Zeptonewtons to Ounce-forces 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.
Ounce-force.
Result = input x 1e-21 / 0.278013851.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Zeptonewtons to Ounce-forces
Zeptonewton and Ounce-force 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: Zeptonewton is 1e-21 newton units, and ounce-force.
Formula
ounce-forces = zeptonewtons × 3.596943e-21
This factor comes from each unit's defined relationship to the category's base unit: 1 zeptonewton equals 1e-21 base units, and 1 ounce-force equals 0.278013850954 base units, so dividing one by the other gives the direct zeptonewton-to-ounce-force factor of 3.596943e-21.
Simple example
1 zN × 3.596943e-21 = 3.596943e-21 ozf
1 zeptonewton = 3.596943e-21 ounce-forces.
Real-world example
10 zN × 3.596943e-21 = 3.596943e-20 ozf
10 zeptonewtons = 3.596943e-20 ounce-forces.
Conversion table
| Zeptonewton (zN) | Ounce-force (ozf) |
|---|---|
| 1 zN | 3.596943e-21 ozf |
| 5 zN | 1.798472e-20 ozf |
| 10 zN | 3.596943e-20 ozf |
| 50 zN | 1.798472e-19 ozf |
| 100 zN | 3.596943e-19 ozf |
| 1,000 zN | 3.596943e-18 ozf |
Reverse conversion: Ounce-force to Zeptonewton
3.596943e-21 ozf × 2.780139e+20 = 0.9999999751 zN
3.596943e-21 ounce-forces = 0.9999999751 zeptonewtons.
zeptonewtons = ounce-forces × 2.780139e+20
For a page dedicated to this direction, see Ounce-force to Zeptonewton.
Understanding the Zeptonewton (zN)
Zeptonewton is 1e-21 newton units.
Understanding the Ounce-force (ozf)
Ounce-force.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounce-forces are in 1 zeptonewton?
1 zeptonewton equals 3.596943e-21 ounce-forces, using the exact defined conversion factor rather than an estimate.
How do I convert zeptonewton to ounce-force?
Multiply the zeptonewton value by 3.596943e-21. The converter above does this instantly to whatever precision you set.
How do I convert ounce-force back to zeptonewton?
Use the reverse factor: 1 ounce-force equals 2.780139e+20 zeptonewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a zeptonewton?
Zeptonewton (zN) is a unit of force.
What is a ounce-force?
Ounce-force (ozf) is a unit of force.
Is the zeptonewton to ounce-force conversion exact?
Yes. Both zeptonewton and ounce-force are defined by fixed standards rather than physical artifacts, so the factor of 3.596943e-21 used above is exact to as many digits as you choose to display.