Zeptonewton is 1e-21 newton units.
Zeptonewtons to Piconewtons Converter — zN to pN
Convert Zeptonewton (zN) to Piconewton (pN) using the exact conversion factor (1 zeptonewton = 1e-9 piconewton). See the formula, worked examples, and conversion table.
Zeptonewtons to Piconewtons 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.
Piconewton is 1e-12 newton units.
Result = input x 1e-21 / 1e-12.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Zeptonewtons to Piconewtons
Zeptonewton and Piconewton 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: Zeptonewton is 1e-21 newton units, and piconewton is 1e-12 newton units.
Formula
piconewtons = zeptonewtons × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 zeptonewton equals 1e-21 base units, and 1 piconewton equals 1e-12 base units, so dividing one by the other gives the direct zeptonewton-to-piconewton factor of 1e-9.
Simple example
1 zN × 1e-9 = 1e-9 pN
1 zeptonewton = 1e-9 piconewtons.
Real-world example
10 zN × 1e-9 = 1e-8 pN
10 zeptonewtons = 1e-8 piconewtons.
Conversion table
| Zeptonewton (zN) | Piconewton (pN) |
|---|---|
| 1 zN | 1e-9 pN |
| 5 zN | 5e-9 pN |
| 10 zN | 1e-8 pN |
| 50 zN | 5e-8 pN |
| 100 zN | 1e-7 pN |
| 1,000 zN | 0.000001 pN |
Reverse conversion: Piconewton to Zeptonewton
1e-9 pN × 1000000000 = 1 zN
1e-9 piconewtons = 1 zeptonewtons.
zeptonewtons = piconewtons × 1000000000
For a page dedicated to this direction, see Piconewton to Zeptonewton.
Understanding the Zeptonewton (zN)
Zeptonewton is 1e-21 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 zeptonewton?
1 zeptonewton equals 1e-9 piconewtons, using the exact defined conversion factor rather than an estimate.
How do I convert zeptonewton to piconewton?
Multiply the zeptonewton value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert piconewton back to zeptonewton?
Use the reverse factor: 1 piconewton equals 1,000,000,000 zeptonewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a zeptonewton?
Zeptonewton (zN) is a unit of force.
What is a piconewton?
Piconewton (pN) is a unit of force.
Is the zeptonewton to piconewton conversion exact?
Yes. Both zeptonewton and piconewton are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 used above is exact to as many digits as you choose to display.