Millinewton is 0.001 newton units.
Millinewtons to Attonewtons Converter — mN to aN
Convert Millinewton (mN) to Attonewton (aN) using the exact conversion factor (1 millinewton = 1e+15 attonewton). See the formula, worked examples, and conversion table.
Millinewtons to Attonewtons 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.
Attonewton is 1e-18 newton units.
Result = input x 0.001 / 1e-18.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Millinewtons to Attonewtons
Millinewton and Attonewton 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: Millinewton is 0.001 newton units, and attonewton is 1e-18 newton units.
Formula
attonewtons = millinewtons × 1e+15
This factor comes from each unit's defined relationship to the category's base unit: 1 millinewton equals 0.001 base units, and 1 attonewton equals 1e-18 base units, so dividing one by the other gives the direct millinewton-to-attonewton factor of 1e+15.
Simple example
1 mN × 1e+15 = 1e+15 aN
1 millinewton = 1e+15 attonewtons.
Real-world example
10 mN × 1e+15 = 1e+16 aN
10 millinewtons = 1e+16 attonewtons.
Conversion table
| Millinewton (mN) | Attonewton (aN) |
|---|---|
| 1 mN | 1e+15 aN |
| 5 mN | 5e+15 aN |
| 10 mN | 1e+16 aN |
| 50 mN | 5e+16 aN |
| 100 mN | 1e+17 aN |
| 1,000 mN | 1e+18 aN |
Reverse conversion: Attonewton to Millinewton
1e+15 aN × 1e-15 = 1 mN
1e+15 attonewtons = 1 millinewton.
millinewtons = attonewtons × 1e-15
For a page dedicated to this direction, see Attonewton to Millinewton.
Understanding the Millinewton (mN)
Millinewton is 0.001 newton units.
Understanding the Attonewton (aN)
Attonewton is 1e-18 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many attonewtons are in 1 millinewton?
1 millinewton equals 1e+15 attonewtons, using the exact defined conversion factor rather than an estimate.
How do I convert millinewton to attonewton?
Multiply the millinewton value by 1e+15. The converter above does this instantly to whatever precision you set.
How do I convert attonewton back to millinewton?
Use the reverse factor: 1 attonewton equals 1e-15 millinewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a millinewton?
Millinewton (mN) is a unit of force.
What is a attonewton?
Attonewton (aN) is a unit of force.
Is the millinewton to attonewton conversion exact?
Yes. Both millinewton and attonewton are defined by fixed standards rather than physical artifacts, so the factor of 1e+15 used above is exact to as many digits as you choose to display.