Meganewton meter is 1000000 newton meter units.
Meganewton meters to Femtonewton meters Converter — MN m to fN m
Convert Meganewton meter (MN m) to Femtonewton meter (fN m) using the exact conversion factor (1 meganewton meter = 1e+21 femtonewton meter). See the formula, worked examples, and conversion table.
Meganewton meters to Femtonewton 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.
Femtonewton meter is 1e-15 newton meter units.
Result = input x 1e+6 / 1e-15.
Torque uses the newton meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Meganewton meters to Femtonewton meters
Meganewton meter and Femtonewton 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: Meganewton meter is 1000000 newton meter units, and femtonewton meter is 1e-15 newton meter units.
Formula
femtonewton meters = meganewton meters × 1e+21
This factor comes from each unit's defined relationship to the category's base unit: 1 meganewton meter equals 1000000 base units, and 1 femtonewton meter equals 1e-15 base units, so dividing one by the other gives the direct meganewton meter-to-femtonewton meter factor of 1e+21.
Simple example
1 MN m × 1e+21 = 1e+21 fN m
1 meganewton meter = 1e+21 femtonewton meters.
Real-world example
10 MN m × 1e+21 = 1e+22 fN m
10 meganewton meters = 1e+22 femtonewton meters.
Conversion table
| Meganewton meter (MN m) | Femtonewton meter (fN m) |
|---|---|
| 1 MN m | 1e+21 fN m |
| 5 MN m | 5e+21 fN m |
| 10 MN m | 1e+22 fN m |
| 50 MN m | 5e+22 fN m |
| 100 MN m | 1e+23 fN m |
| 500 MN m | 5e+23 fN m |
Reverse conversion: Femtonewton meter to Meganewton meter
1e+21 fN m × 1e-21 = 1 MN m
1e+21 femtonewton meters = 1 meganewton meters.
meganewton meters = femtonewton meters × 1e-21
For a page dedicated to this direction, see Femtonewton meter to Meganewton meter.
Understanding the Meganewton meter (MN m)
Meganewton meter is 1000000 newton meter units.
Understanding the Femtonewton meter (fN m)
Femtonewton meter is 1e-15 newton meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many femtonewton meters are in 1 meganewton meter?
1 meganewton meter equals 1e+21 femtonewton meters, using the exact defined conversion factor rather than an estimate.
How do I convert meganewton meter to femtonewton meter?
Multiply the meganewton meter value by 1e+21. The converter above does this instantly to whatever precision you set.
How do I convert femtonewton meter back to meganewton meter?
Use the reverse factor: 1 femtonewton meter equals 1e-21 meganewton meters. You can also use the swap control in the converter above to flip the direction instantly.
What is a meganewton meter?
Meganewton meter (MN m) is a unit of torque.
What is a femtonewton meter?
Femtonewton meter (fN m) is a unit of torque.
Is the meganewton meter to femtonewton meter conversion exact?
Yes. Both meganewton meter and femtonewton meter 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.