Zettanewton is 1e+21 newton units.
Zettanewtons to Exanewtons Converter — ZN to EN
Convert Zettanewton (ZN) to Exanewton (EN) using the exact conversion factor (1 zettanewton = 1,000 exanewton). See the formula, worked examples, and conversion table.
Zettanewtons to Exanewtons 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.
Exanewton is 1000000000000000000 newton units.
Result = input x 1e+21 / 1e+18.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Zettanewtons to Exanewtons
Zettanewton and Exanewton 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: Zettanewton is 1e+21 newton units, and exanewton is 1000000000000000000 newton units.
Formula
exanewtons = zettanewtons × 1000
This factor comes from each unit's defined relationship to the category's base unit: 1 zettanewton equals 1e+21 base units, and 1 exanewton equals 1e+18 base units, so dividing one by the other gives the direct zettanewton-to-exanewton factor of 1000.
Simple example
1 ZN × 1000 = 1,000 EN
1 zettanewton = 1,000 exanewtons.
Real-world example
10 ZN × 1000 = 10,000 EN
10 zettanewtons = 10,000 exanewtons.
Conversion table
| Zettanewton (ZN) | Exanewton (EN) |
|---|---|
| 1 ZN | 1,000 EN |
| 5 ZN | 5,000 EN |
| 10 ZN | 10,000 EN |
| 50 ZN | 50,000 EN |
| 100 ZN | 100,000 EN |
| 1,000 ZN | 1,000,000 EN |
Reverse conversion: Exanewton to Zettanewton
1 EN × 0.001 = 0.001 ZN
1 exanewton = 0.001 zettanewtons.
zettanewtons = exanewtons × 0.001
For a page dedicated to this direction, see Exanewton to Zettanewton.
Understanding the Zettanewton (ZN)
Zettanewton is 1e+21 newton units.
Understanding the Exanewton (EN)
Exanewton is 1000000000000000000 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many exanewtons are in 1 zettanewton?
1 zettanewton equals 1,000 exanewtons, using the exact defined conversion factor rather than an estimate.
How do I convert zettanewton to exanewton?
Multiply the zettanewton value by 1000. The converter above does this instantly to whatever precision you set.
How do I convert exanewton back to zettanewton?
Use the reverse factor: 1 exanewton equals 0.001 zettanewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a zettanewton?
Zettanewton (ZN) is a unit of force.
What is a exanewton?
Exanewton (EN) is a unit of force.
Is the zettanewton to exanewton conversion exact?
Yes. Both zettanewton and exanewton are defined by fixed standards rather than physical artifacts, so the factor of 1000 used above is exact to as many digits as you choose to display.