Yoctonewton is 1e-24 newton units.
Yoctonewtons to Femtonewtons Converter — yN to fN
Convert Yoctonewton (yN) to Femtonewton (fN) using the exact conversion factor (1 yoctonewton = 1e-9 femtonewton). See the formula, worked examples, and conversion table.
Yoctonewtons to Femtonewtons 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.
Femtonewton is 1e-15 newton units.
Result = input x 1e-24 / 1e-15.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Yoctonewtons to Femtonewtons
Yoctonewton and Femtonewton 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: Yoctonewton is 1e-24 newton units, and femtonewton is 1e-15 newton units.
Formula
femtonewtons = yoctonewtons × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 yoctonewton equals 1e-24 base units, and 1 femtonewton equals 1e-15 base units, so dividing one by the other gives the direct yoctonewton-to-femtonewton factor of 1e-9.
Simple example
1 yN × 1e-9 = 1e-9 fN
1 yoctonewton = 1e-9 femtonewtons.
Real-world example
10 yN × 1e-9 = 1e-8 fN
10 yoctonewtons = 1e-8 femtonewtons.
Conversion table
| Yoctonewton (yN) | Femtonewton (fN) |
|---|---|
| 1 yN | 1e-9 fN |
| 5 yN | 5e-9 fN |
| 10 yN | 1e-8 fN |
| 50 yN | 5e-8 fN |
| 100 yN | 1e-7 fN |
| 1,000 yN | 1e-6 fN |
Reverse conversion: Femtonewton to Yoctonewton
1e-9 fN × 1000000000 = 1 yN
1e-9 femtonewtons = 1 yoctonewtons.
yoctonewtons = femtonewtons × 1000000000
For a page dedicated to this direction, see Femtonewton to Yoctonewton.
Understanding the Yoctonewton (yN)
Yoctonewton is 1e-24 newton units.
Understanding the Femtonewton (fN)
Femtonewton is 1e-15 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many femtonewtons are in 1 yoctonewton?
1 yoctonewton equals 1e-9 femtonewtons, using the exact defined conversion factor rather than an estimate.
How do I convert yoctonewton to femtonewton?
Multiply the yoctonewton value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert femtonewton back to yoctonewton?
Use the reverse factor: 1 femtonewton equals 1,000,000,000 yoctonewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a yoctonewton?
Yoctonewton (yN) is a unit of force.
What is a femtonewton?
Femtonewton (fN) is a unit of force.
Is the yoctonewton to femtonewton conversion exact?
Yes. Both yoctonewton and femtonewton are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 used above is exact to as many digits as you choose to display.