Micronewton is 0.000001 newton units.
Micronewtons to Petanewtons Converter — uN to PN
Convert Micronewton (uN) to Petanewton (PN) using the exact conversion factor (1 micronewton = 1e-21 petanewton). See the formula, worked examples, and conversion table.
Micronewtons to Petanewtons 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.
Petanewton is 1000000000000000 newton units.
Result = input x 1e-6 / 1e+15.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micronewtons to Petanewtons
Micronewton and Petanewton 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: Micronewton is 0.000001 newton units, and petanewton is 1000000000000000 newton units.
Formula
petanewtons = micronewtons × 1e-21
This factor comes from each unit's defined relationship to the category's base unit: 1 micronewton equals 0.000001 base units, and 1 petanewton equals 1e+15 base units, so dividing one by the other gives the direct micronewton-to-petanewton factor of 1e-21.
Simple example
1 uN × 1e-21 = 1e-21 PN
1 micronewton = 1e-21 petanewtons.
Real-world example
10 uN × 1e-21 = 1e-20 PN
10 micronewtons = 1e-20 petanewtons.
Conversion table
| Micronewton (uN) | Petanewton (PN) |
|---|---|
| 1 uN | 1e-21 PN |
| 5 uN | 5e-21 PN |
| 10 uN | 1e-20 PN |
| 50 uN | 5e-20 PN |
| 100 uN | 1e-19 PN |
| 1,000 uN | 1e-18 PN |
Reverse conversion: Petanewton to Micronewton
1e-21 PN × 1e+21 = 1 uN
1e-21 petanewtons = 1 micronewton.
micronewtons = petanewtons × 1e+21
For a page dedicated to this direction, see Petanewton to Micronewton.
Understanding the Micronewton (uN)
Micronewton is 0.000001 newton units.
Understanding the Petanewton (PN)
Petanewton is 1000000000000000 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many petanewtons are in 1 micronewton?
1 micronewton equals 1e-21 petanewtons, using the exact defined conversion factor rather than an estimate.
How do I convert micronewton to petanewton?
Multiply the micronewton value by 1e-21. The converter above does this instantly to whatever precision you set.
How do I convert petanewton back to micronewton?
Use the reverse factor: 1 petanewton equals 1e+21 micronewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a micronewton?
Micronewton (uN) is a unit of force.
What is a petanewton?
Petanewton (PN) is a unit of force.
Is the micronewton to petanewton conversion exact?
Yes. Both micronewton and petanewton are defined by fixed standards rather than physical artifacts, so the factor of 1e-21 used above is exact to as many digits as you choose to display.