Rontonewton is 1e-27 newton units.
Rontonewtons to Nanonewtons Converter — rN to nN
Convert Rontonewton (rN) to Nanonewton (nN) using the exact conversion factor (1 rontonewton = 1e-18 nanonewton). See the formula, worked examples, and conversion table.
Rontonewtons to Nanonewtons 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.
Nanonewton is 1e-9 newton units.
Result = input x 1e-27 / 1e-9.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Rontonewtons to Nanonewtons
Rontonewton and Nanonewton 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: Rontonewton is 1e-27 newton units, and nanonewton is 1e-9 newton units.
Formula
nanonewtons = rontonewtons × 1e-18
This factor comes from each unit's defined relationship to the category's base unit: 1 rontonewton equals 1e-27 base units, and 1 nanonewton equals 1e-9 base units, so dividing one by the other gives the direct rontonewton-to-nanonewton factor of 1e-18.
Simple example
1 rN × 1e-18 = 1e-18 nN
1 rontonewton = 1e-18 nanonewtons.
Real-world example
10 rN × 1e-18 = 1e-17 nN
10 rontonewtons = 1e-17 nanonewtons.
Conversion table
| Rontonewton (rN) | Nanonewton (nN) |
|---|---|
| 1 rN | 1e-18 nN |
| 5 rN | 5e-18 nN |
| 10 rN | 1e-17 nN |
| 50 rN | 5e-17 nN |
| 100 rN | 1e-16 nN |
| 1,000 rN | 1e-15 nN |
Reverse conversion: Nanonewton to Rontonewton
1e-18 nN × 1e+18 = 1 rN
1e-18 nanonewtons = 1 rontonewtons.
rontonewtons = nanonewtons × 1e+18
For a page dedicated to this direction, see Nanonewton to Rontonewton.
Understanding the Rontonewton (rN)
Rontonewton is 1e-27 newton units.
Understanding the Nanonewton (nN)
Nanonewton is 1e-9 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanonewtons are in 1 rontonewton?
1 rontonewton equals 1e-18 nanonewtons, using the exact defined conversion factor rather than an estimate.
How do I convert rontonewton to nanonewton?
Multiply the rontonewton value by 1e-18. The converter above does this instantly to whatever precision you set.
How do I convert nanonewton back to rontonewton?
Use the reverse factor: 1 nanonewton equals 1e+18 rontonewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a rontonewton?
Rontonewton (rN) is a unit of force.
What is a nanonewton?
Nanonewton (nN) is a unit of force.
Is the rontonewton to nanonewton conversion exact?
Yes. Both rontonewton and nanonewton are defined by fixed standards rather than physical artifacts, so the factor of 1e-18 used above is exact to as many digits as you choose to display.