Femtonewton meter is 1e-15 newton meter units.
Femtonewton meters to Meganewton meters Converter — fN m to MN m
Convert Femtonewton meter (fN m) to Meganewton meter (MN m) using the exact conversion factor (1 femtonewton meter = 1e-21 meganewton meter). See the formula, worked examples, and conversion table.
Femtonewton meters to Meganewton 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.
Meganewton meter is 1000000 newton meter units.
Result = input x 1e-15 / 1e+6.
Torque uses the newton meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Femtonewton meters to Meganewton meters
Femtonewton meter and Meganewton 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 meganewton meter is 1000000 newton meter units.
Formula
meganewton meters = femtonewton meters × 1e-21
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 meganewton meter equals 1000000 base units, so dividing one by the other gives the direct femtonewton meter-to-meganewton meter factor of 1e-21.
Simple example
1 fN m × 1e-21 = 1e-21 MN m
1 femtonewton meter = 1e-21 meganewton meters.
Real-world example
10 fN m × 1e-21 = 1e-20 MN m
10 femtonewton meters = 1e-20 meganewton meters.
Conversion table
| Femtonewton meter (fN m) | Meganewton meter (MN m) |
|---|---|
| 1 fN m | 1e-21 MN m |
| 5 fN m | 5e-21 MN m |
| 10 fN m | 1e-20 MN m |
| 50 fN m | 5e-20 MN m |
| 100 fN m | 1e-19 MN m |
| 500 fN m | 5e-19 MN m |
Reverse conversion: Meganewton meter to Femtonewton meter
1e-21 MN m × 1e+21 = 1 fN m
1e-21 meganewton meters = 1 femtonewton meters.
femtonewton meters = meganewton meters × 1e+21
For a page dedicated to this direction, see Meganewton meter to Femtonewton meter.
Understanding the Femtonewton meter (fN m)
Femtonewton meter is 1e-15 newton meter units.
Understanding the Meganewton meter (MN m)
Meganewton meter is 1000000 newton meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many meganewton meters are in 1 femtonewton meter?
1 femtonewton meter equals 1e-21 meganewton meters, using the exact defined conversion factor rather than an estimate.
How do I convert femtonewton meter to meganewton meter?
Multiply the femtonewton meter value by 1e-21. The converter above does this instantly to whatever precision you set.
How do I convert meganewton meter back to femtonewton meter?
Use the reverse factor: 1 meganewton meter equals 1e+21 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 meganewton meter?
Meganewton meter (MN m) is a unit of torque.
Is the femtonewton meter to meganewton meter conversion exact?
Yes. Both femtonewton meter and meganewton 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.