Femtonewton is 1e-15 newton units.
Femtonewtons to Nanonewtons Converter — fN to nN
Convert Femtonewton (fN) to Nanonewton (nN) using the exact conversion factor (1 femtonewton = 0.000001 nanonewton). See the formula, worked examples, and conversion table.
Femtonewtons to Nanonewtons 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.
Nanonewton is 1e-9 newton units.
Result = input x 1e-15 / 1e-9.
Force units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Femtonewtons to Nanonewtons
Femtonewton and Nanonewton 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: Femtonewton is 1e-15 newton units, and nanonewton is 1e-9 newton units.
Formula
nanonewtons = femtonewtons × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 femtonewton equals 1e-15 base units, and 1 nanonewton equals 1e-9 base units, so dividing one by the other gives the direct femtonewton-to-nanonewton factor of 0.000001.
Simple example
1 fN × 0.000001 = 0.000001 nN
1 femtonewton = 0.000001 nanonewtons.
Real-world example
100 fN × 0.000001 = 0.0001 nN
100 femtonewtons = 0.0001 nanonewtons.
Conversion table
| Femtonewton (fN) | Nanonewton (nN) |
|---|---|
| 1 fN | 0.000001 nN |
| 10 fN | 0.00001 nN |
| 50 fN | 0.00005 nN |
| 100 fN | 0.0001 nN |
| 500 fN | 0.0005 nN |
| 1,000 fN | 0.001 nN |
Reverse conversion: Nanonewton to Femtonewton
0.000001 nN × 1000000 = 1 fN
0.000001 nanonewtons = 1 femtonewton.
femtonewtons = nanonewtons × 1000000
For a page dedicated to this direction, see Nanonewton to Femtonewton.
Understanding the Femtonewton (fN)
Femtonewton is 1e-15 newton units.
Understanding the Nanonewton (nN)
Nanonewton is 1e-9 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanonewtons are in 1 femtonewton?
1 femtonewton equals 0.000001 nanonewtons, using the exact defined conversion factor rather than an estimate.
How do I convert femtonewton to nanonewton?
Multiply the femtonewton value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert nanonewton back to femtonewton?
Use the reverse factor: 1 nanonewton equals 1,000,000 femtonewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a femtonewton?
Femtonewton (fN) is a unit of engineering.
What is a nanonewton?
Nanonewton (nN) is a unit of engineering.
Is the femtonewton to nanonewton conversion exact?
Yes. Both femtonewton and nanonewton are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 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.