Zeptonewton meter is 1e-21 newton meter units.
Zeptonewton meters to Femtonewton meters Converter — zN m to fN m
Convert Zeptonewton meter (zN m) to Femtonewton meter (fN m) using the exact conversion factor (1 zeptonewton meter = 1e-6 femtonewton meter). See the formula, worked examples, and conversion table.
Zeptonewton 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-21 / 1e-15.
Torque uses the newton meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Zeptonewton meters to Femtonewton meters
Zeptonewton 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: Zeptonewton meter is 1e-21 newton meter units, and femtonewton meter is 1e-15 newton meter units.
Formula
femtonewton meters = zeptonewton meters × 1e-6
This factor comes from each unit's defined relationship to the category's base unit: 1 zeptonewton meter equals 1e-21 base units, and 1 femtonewton meter equals 1e-15 base units, so dividing one by the other gives the direct zeptonewton meter-to-femtonewton meter factor of 1e-6.
Simple example
1 zN m × 1e-6 = 1e-6 fN m
1 zeptonewton meter = 1e-6 femtonewton meters.
Real-world example
10 zN m × 1e-6 = 0.00001 fN m
10 zeptonewton meters = 0.00001 femtonewton meters.
Conversion table
| Zeptonewton meter (zN m) | Femtonewton meter (fN m) |
|---|---|
| 1 zN m | 1e-6 fN m |
| 5 zN m | 0.000005 fN m |
| 10 zN m | 0.00001 fN m |
| 50 zN m | 0.00005 fN m |
| 100 zN m | 0.0001 fN m |
| 500 zN m | 0.0005 fN m |
Reverse conversion: Femtonewton meter to Zeptonewton meter
0.000001 fN m × 1000000 = 1 zN m
0.000001 femtonewton meters = 1 zeptonewton meters.
zeptonewton meters = femtonewton meters × 1000000
For a page dedicated to this direction, see Femtonewton meter to Zeptonewton meter.
Understanding the Zeptonewton meter (zN m)
Zeptonewton meter is 1e-21 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 zeptonewton meter?
1 zeptonewton meter equals 1e-6 femtonewton meters, using the exact defined conversion factor rather than an estimate.
How do I convert zeptonewton meter to femtonewton meter?
Multiply the zeptonewton meter value by 1e-6. The converter above does this instantly to whatever precision you set.
How do I convert femtonewton meter back to zeptonewton meter?
Use the reverse factor: 1 femtonewton meter equals 1,000,000 zeptonewton meters. You can also use the swap control in the converter above to flip the direction instantly.
What is a zeptonewton meter?
Zeptonewton meter (zN m) is a unit of torque.
What is a femtonewton meter?
Femtonewton meter (fN m) is a unit of torque.
Is the zeptonewton meter to femtonewton meter conversion exact?
Yes. Both zeptonewton meter and femtonewton meter are defined by fixed standards rather than physical artifacts, so the factor of 1e-6 used above is exact to as many digits as you choose to display.