Rontonewton meter is 1e-27 newton meter units.
Rontonewton meters to Attonewton meters Converter — rN m to aN m
Convert Rontonewton meter (rN m) to Attonewton meter (aN m) using the exact conversion factor (1 rontonewton meter = 1e-9 attonewton meter). See the formula, worked examples, and conversion table.
Rontonewton meters to Attonewton meters 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 meter is 1e-18 newton meter units.
Result = input x 1e-27 / 1e-18.
Torque units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Rontonewton meters to Attonewton meters
Rontonewton meter and Attonewton meter 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: Rontonewton meter is 1e-27 newton meter units, and attonewton meter is 1e-18 newton meter units.
Formula
attonewton meters = rontonewton meters × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 rontonewton meter equals 1e-27 base units, and 1 attonewton meter equals 1e-18 base units, so dividing one by the other gives the direct rontonewton meter-to-attonewton meter factor of 1e-9.
Simple example
1 rN m × 1e-9 = 1e-9 aN m
1 rontonewton meter = 1e-9 attonewton meters.
Real-world example
100 rN m × 1e-9 = 1e-7 aN m
100 rontonewton meters = 1e-7 attonewton meters.
Conversion table
| Rontonewton meter (rN m) | Attonewton meter (aN m) |
|---|---|
| 1 rN m | 1e-9 aN m |
| 10 rN m | 1e-8 aN m |
| 50 rN m | 5e-8 aN m |
| 100 rN m | 1e-7 aN m |
| 500 rN m | 5e-7 aN m |
| 1,000 rN m | 0.000001 aN m |
Reverse conversion: Attonewton meter to Rontonewton meter
1e-9 aN m × 1000000000 = 1 rN m
1e-9 attonewton meters = 1 rontonewton meters.
rontonewton meters = attonewton meters × 1000000000
For a page dedicated to this direction, see Attonewton meter to Rontonewton meter.
Understanding the Rontonewton meter (rN m)
Rontonewton meter is 1e-27 newton meter units.
Understanding the Attonewton meter (aN m)
Attonewton meter is 1e-18 newton meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many attonewton meters are in 1 rontonewton meter?
1 rontonewton meter equals 1e-9 attonewton meters, using the exact defined conversion factor rather than an estimate.
How do I convert rontonewton meter to attonewton meter?
Multiply the rontonewton meter value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert attonewton meter back to rontonewton meter?
Use the reverse factor: 1 attonewton meter equals 1,000,000,000 rontonewton meters. You can also use the swap control in the converter above to flip the direction instantly.
What is a rontonewton meter?
Rontonewton meter (rN m) is a unit of engineering.
What is a attonewton meter?
Attonewton meter (aN m) is a unit of engineering.
Is the rontonewton meter to attonewton meter conversion exact?
Yes. Both rontonewton meter and attonewton meter 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.
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.