A kip is 1,000 pound-force.
Kips to Attonewtons Converter — kip to aN
Convert Kip (kip) to Attonewton (aN) using the exact conversion factor (1 kip = 4.448222e+21 attonewton). See the formula, worked examples, and conversion table.
Kips to Attonewtons 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.
Attonewton is 1e-18 newton units.
Result = input x 4448.221615 / 1e-18.
Force units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Kips to Attonewtons
Kip and Attonewton 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: A kip is 1,000 pound-force, and attonewton is 1e-18 newton units.
Formula
attonewtons = kips × 4.448222e+21
This factor comes from each unit's defined relationship to the category's base unit: 1 kip equals 4448.22161526 base units, and 1 attonewton equals 1e-18 base units, so dividing one by the other gives the direct kip-to-attonewton factor of 4.448222e+21.
Simple example
1 kip × 4.448222e+21 = 4.448222e+21 aN
1 kip = 4.448222e+21 attonewtons.
Real-world example
100 kip × 4.448222e+21 = 4.448222e+23 aN
100 kips = 4.448222e+23 attonewtons.
Conversion table
| Kip (kip) | Attonewton (aN) |
|---|---|
| 1 kip | 4.448222e+21 aN |
| 10 kip | 4.448222e+22 aN |
| 50 kip | 2.224111e+23 aN |
| 100 kip | 4.448222e+23 aN |
| 500 kip | 2.224111e+24 aN |
| 1,000 kip | 4.448222e+24 aN |
Reverse conversion: Attonewton to Kip
4.448222e+21 aN × 2.248089e-22 = 1.000000086 kip
4.448222e+21 attonewtons = 1.000000086 kips.
kips = attonewtons × 2.248089e-22
For a page dedicated to this direction, see Attonewton to Kip.
Understanding the Kip (kip)
A kip is 1,000 pound-force.
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 kip?
1 kip equals 4.448222e+21 attonewtons, using the exact defined conversion factor rather than an estimate.
How do I convert kip to attonewton?
Multiply the kip value by 4.448222e+21. The converter above does this instantly to whatever precision you set.
How do I convert attonewton back to kip?
Use the reverse factor: 1 attonewton equals 2.248089e-22 kips. You can also use the swap control in the converter above to flip the direction instantly.
What is a kip?
Kip (kip) is a unit of engineering.
What is a attonewton?
Attonewton (aN) is a unit of engineering.
Is the kip to attonewton conversion exact?
Yes. Both kip and attonewton are defined by fixed standards rather than physical artifacts, so the factor of 4.448222e+21 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.