Piconewton is 1e-12 newton units.
Piconewtons to Ronnanewtons Converter — pN to RN
Convert Piconewton (pN) to Ronnanewton (RN) using the exact conversion factor (1 piconewton = 1e-39 ronnanewton). See the formula, worked examples, and conversion table.
Piconewtons to Ronnanewtons 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.
Ronnanewton is 1e+27 newton units.
Result = input x 1e-12 / 1e+27.
Force units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Piconewtons to Ronnanewtons
Piconewton and Ronnanewton 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: Piconewton is 1e-12 newton units, and ronnanewton is 1e+27 newton units.
Formula
ronnanewtons = piconewtons × 1e-39
This factor comes from each unit's defined relationship to the category's base unit: 1 piconewton equals 1e-12 base units, and 1 ronnanewton equals 1e+27 base units, so dividing one by the other gives the direct piconewton-to-ronnanewton factor of 1e-39.
Simple example
1 pN × 1e-39 = 1e-39 RN
1 piconewton = 1e-39 ronnanewtons.
Real-world example
100 pN × 1e-39 = 1e-37 RN
100 piconewtons = 1e-37 ronnanewtons.
Conversion table
| Piconewton (pN) | Ronnanewton (RN) |
|---|---|
| 1 pN | 1e-39 RN |
| 10 pN | 1e-38 RN |
| 50 pN | 5e-38 RN |
| 100 pN | 1e-37 RN |
| 500 pN | 5e-37 RN |
| 1,000 pN | 1e-36 RN |
Reverse conversion: Ronnanewton to Piconewton
1e-39 RN × 1e+39 = 1 pN
1e-39 ronnanewtons = 1 piconewton.
piconewtons = ronnanewtons × 1e+39
For a page dedicated to this direction, see Ronnanewton to Piconewton.
Understanding the Piconewton (pN)
Piconewton is 1e-12 newton units.
Understanding the Ronnanewton (RN)
Ronnanewton is 1e+27 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ronnanewtons are in 1 piconewton?
1 piconewton equals 1e-39 ronnanewtons, using the exact defined conversion factor rather than an estimate.
How do I convert piconewton to ronnanewton?
Multiply the piconewton value by 1e-39. The converter above does this instantly to whatever precision you set.
How do I convert ronnanewton back to piconewton?
Use the reverse factor: 1 ronnanewton equals 1e+39 piconewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a piconewton?
Piconewton (pN) is a unit of engineering.
What is a ronnanewton?
Ronnanewton (RN) is a unit of engineering.
Is the piconewton to ronnanewton conversion exact?
Yes. Both piconewton and ronnanewton are defined by fixed standards rather than physical artifacts, so the factor of 1e-39 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.