Femtonewton is 1e-15 newton units.
Femtonewtons to Piconewtons Converter — fN to pN
Convert Femtonewton (fN) to Piconewton (pN) using the exact conversion factor (1 femtonewton = 0.001 piconewton). See the formula, worked examples, and conversion table.
Femtonewtons to Piconewtons 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.
Piconewton is 1e-12 newton units.
Result = input x 1e-15 / 1e-12.
Force units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Femtonewtons to Piconewtons
Femtonewton and Piconewton 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 piconewton is 1e-12 newton units.
Formula
piconewtons = femtonewtons × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 femtonewton equals 1e-15 base units, and 1 piconewton equals 1e-12 base units, so dividing one by the other gives the direct femtonewton-to-piconewton factor of 0.001.
Simple example
1 fN × 0.001 = 0.001 pN
1 femtonewton = 0.001 piconewtons.
Real-world example
100 fN × 0.001 = 0.1 pN
100 femtonewtons = 0.1 piconewtons.
Conversion table
| Femtonewton (fN) | Piconewton (pN) |
|---|---|
| 1 fN | 0.001 pN |
| 10 fN | 0.01 pN |
| 50 fN | 0.05 pN |
| 100 fN | 0.1 pN |
| 500 fN | 0.5 pN |
| 1,000 fN | 1 pN |
Reverse conversion: Piconewton to Femtonewton
0.001 pN × 1000 = 1 fN
0.001 piconewtons = 1 femtonewton.
femtonewtons = piconewtons × 1000
For a page dedicated to this direction, see Piconewton to Femtonewton.
Understanding the Femtonewton (fN)
Femtonewton is 1e-15 newton units.
Understanding the Piconewton (pN)
Piconewton is 1e-12 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many piconewtons are in 1 femtonewton?
1 femtonewton equals 0.001 piconewtons, using the exact defined conversion factor rather than an estimate.
How do I convert femtonewton to piconewton?
Multiply the femtonewton value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert piconewton back to femtonewton?
Use the reverse factor: 1 piconewton equals 1,000 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 piconewton?
Piconewton (pN) is a unit of engineering.
Is the femtonewton to piconewton conversion exact?
Yes. Both femtonewton and piconewton are defined by fixed standards rather than physical artifacts, so the factor of 0.001 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.