Meganewton is 1000000 newton units.
Meganewtons to Ronnanewtons Converter — MN to RN
Convert Meganewton (MN) to Ronnanewton (RN) using the exact conversion factor (1 meganewton = 1e-21 ronnanewton). See the formula, worked examples, and conversion table.
Meganewtons to Ronnanewtons 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.
Ronnanewton is 1e+27 newton units.
Result = input x 1e+6 / 1e+27.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Meganewtons to Ronnanewtons
Meganewton and Ronnanewton 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: Meganewton is 1000000 newton units, and ronnanewton is 1e+27 newton units.
Formula
ronnanewtons = meganewtons × 1e-21
This factor comes from each unit's defined relationship to the category's base unit: 1 meganewton equals 1000000 base units, and 1 ronnanewton equals 1e+27 base units, so dividing one by the other gives the direct meganewton-to-ronnanewton factor of 1e-21.
Simple example
1 MN × 1e-21 = 1e-21 RN
1 meganewton = 1e-21 ronnanewtons.
Real-world example
10 MN × 1e-21 = 1e-20 RN
10 meganewtons = 1e-20 ronnanewtons.
Conversion table
| Meganewton (MN) | Ronnanewton (RN) |
|---|---|
| 1 MN | 1e-21 RN |
| 5 MN | 5e-21 RN |
| 10 MN | 1e-20 RN |
| 50 MN | 5e-20 RN |
| 100 MN | 1e-19 RN |
| 1,000 MN | 1e-18 RN |
Reverse conversion: Ronnanewton to Meganewton
1e-21 RN × 1e+21 = 1 MN
1e-21 ronnanewtons = 1 meganewtons.
meganewtons = ronnanewtons × 1e+21
For a page dedicated to this direction, see Ronnanewton to Meganewton.
Understanding the Meganewton (MN)
Meganewton is 1000000 newton units.
Understanding the Ronnanewton (RN)
Ronnanewton is 1e+27 newton units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ronnanewtons are in 1 meganewton?
1 meganewton equals 1e-21 ronnanewtons, using the exact defined conversion factor rather than an estimate.
How do I convert meganewton to ronnanewton?
Multiply the meganewton value by 1e-21. The converter above does this instantly to whatever precision you set.
How do I convert ronnanewton back to meganewton?
Use the reverse factor: 1 ronnanewton equals 1e+21 meganewtons. You can also use the swap control in the converter above to flip the direction instantly.
What is a meganewton?
Meganewton (MN) is a unit of force.
What is a ronnanewton?
Ronnanewton (RN) is a unit of force.
Is the meganewton to ronnanewton conversion exact?
Yes. Both meganewton and ronnanewton are defined by fixed standards rather than physical artifacts, so the factor of 1e-21 used above is exact to as many digits as you choose to display.