Femtonewton meter is 1e-15 newton meter units.
Femtonewton meters to Rontonewton meters Converter — fN m to rN m
Convert Femtonewton meter (fN m) to Rontonewton meter (rN m) using the exact conversion factor (1 femtonewton meter = 1e+12 rontonewton meter). See the formula, worked examples, and conversion table.
Femtonewton meters to Rontonewton meters converter
Converter
Torque Converter
Convert newton meters, pound-feet, pound-inches, ounce-inches, and kilogram-force meters.
Context values
Some unit families need one extra value for a physically accurate result.
Rontonewton meter is 1e-27 newton meter units.
Result = input x 1e-15 / 1e-27.
Torque uses the newton meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Femtonewton meters to Rontonewton meters
Femtonewton meter and Rontonewton meter both measure torque, and the conversion is essential for anyone using a torque wrench specified in one unit against a bolt or engine spec given in the other. Specifically: Femtonewton meter is 1e-15 newton meter units, and rontonewton meter is 1e-27 newton meter units.
Formula
rontonewton meters = femtonewton meters × 1e+12
This factor comes from each unit's defined relationship to the category's base unit: 1 femtonewton meter equals 1e-15 base units, and 1 rontonewton meter equals 1e-27 base units, so dividing one by the other gives the direct femtonewton meter-to-rontonewton meter factor of 1e+12.
Simple example
1 fN m × 1e+12 = 1e+12 rN m
1 femtonewton meter = 1e+12 rontonewton meters.
Real-world example
10 fN m × 1e+12 = 1e+13 rN m
10 femtonewton meters = 1e+13 rontonewton meters.
Conversion table
| Femtonewton meter (fN m) | Rontonewton meter (rN m) |
|---|---|
| 1 fN m | 1e+12 rN m |
| 5 fN m | 5e+12 rN m |
| 10 fN m | 1e+13 rN m |
| 50 fN m | 5e+13 rN m |
| 100 fN m | 1e+14 rN m |
| 500 fN m | 5e+14 rN m |
Reverse conversion: Rontonewton meter to Femtonewton meter
1e+12 rN m × 1e-12 = 1 fN m
1e+12 rontonewton meters = 1 femtonewton meter.
femtonewton meters = rontonewton meters × 1e-12
For a page dedicated to this direction, see Rontonewton meter to Femtonewton meter.
Understanding the Femtonewton meter (fN m)
Femtonewton meter is 1e-15 newton meter units.
Understanding the Rontonewton meter (rN m)
Rontonewton meter is 1e-27 newton meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many rontonewton meters are in 1 femtonewton meter?
1 femtonewton meter equals 1e+12 rontonewton meters, using the exact defined conversion factor rather than an estimate.
How do I convert femtonewton meter to rontonewton meter?
Multiply the femtonewton meter value by 1e+12. The converter above does this instantly to whatever precision you set.
How do I convert rontonewton meter back to femtonewton meter?
Use the reverse factor: 1 rontonewton meter equals 1e-12 femtonewton meters. You can also use the swap control in the converter above to flip the direction instantly.
What is a femtonewton meter?
Femtonewton meter (fN m) is a unit of torque.
What is a rontonewton meter?
Rontonewton meter (rN m) is a unit of torque.
Is the femtonewton meter to rontonewton meter conversion exact?
Yes. Both femtonewton meter and rontonewton meter are defined by fixed standards rather than physical artifacts, so the factor of 1e+12 used above is exact to as many digits as you choose to display.