A dyne is a CGS force unit.
Dynes to Femtonewtons Converter — dyn to fN
Convert Dyne (dyn) to Femtonewton (fN) using the exact conversion factor (1 dyne = 10,000,000,000 femtonewton). See the formula, worked examples, and conversion table.
Dynes to Femtonewtons converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Femtonewton is 1e-15 newton units.
Result = input x 1e-5 / 1e-15.
Force units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Dynes to Femtonewtons
Dyne and Femtonewton both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: A dyne is a CGS force unit, and femtonewton is 1e-15 newton units.
Formula
femtonewtons = dynes × 10000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 dyne equals 0.00001 base units, and 1 femtonewton equals 1e-15 base units, so dividing one by the other gives the direct dyne-to-femtonewton factor of 10000000000.
Simple example
1 dyn × 10000000000 = 10,000,000,000 fN
1 dyne = 10,000,000,000 femtonewtons.
Real-world example
100 dyn × 10000000000 = 1e+12 fN
100 dynes = 1e+12 femtonewtons.
Conversion table
| Dyne (dyn) | Femtonewton (fN) |
|---|---|
| 1 dyn | 10,000,000,000 fN |
| 10 dyn | 100,000,000,000 fN |
| 50 dyn | 500,000,000,000 fN |
| 100 dyn | 1e+12 fN |
| 500 dyn | 5e+12 fN |
| 1,000 dyn | 1e+13 fN |
Reverse conversion: Femtonewton to Dyne
1 fN × 1e-10 = 1e-10 dyn
1 femtonewton = 1e-10 dynes.
dynes = femtonewtons × 1e-10
For a page dedicated to this direction, see Femtonewton to Dyne.
Understanding the Dyne (dyn)
A dyne is a CGS force unit.
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 dyne?
1 dyne equals 10,000,000,000 femtonewtons, using the exact defined conversion factor rather than an estimate.
How do I convert dyne to femtonewton?
Multiply the dyne value by 10000000000. The converter above does this instantly to whatever precision you set.
How do I convert femtonewton back to dyne?
Use the reverse factor: 1 femtonewton equals 1e-10 dynes. You can also use the swap control in the converter above to flip the direction instantly.
What is a dyne?
Dyne (dyn) is a unit of engineering.
What is a femtonewton?
Femtonewton (fN) is a unit of engineering.
Is the dyne to femtonewton conversion exact?
Yes. Both dyne and femtonewton are defined by fixed standards rather than physical artifacts, so the factor of 10000000000 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.