Cubic metric volume unit.
Cubic Femtometers to Cubic Nanometers Converter — fm3 to nm3
Convert Cubic Femtometer (fm3) to Cubic Nanometer (nm3) using the exact conversion factor (1 cubic femtometer = 1e-18 cubic nanometer). See the formula, worked examples, and conversion table.
Cubic Femtometers to Cubic Nanometers converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Cubic metric volume unit.
Result = input x 1e-45 / 1e-27.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Femtometers to Cubic Nanometers
Cubic Femtometer and Cubic Nanometer appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Both are cubic metric volume unit units.
Formula
cubic nanometers = cubic femtometers × 1e-18
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic femtometer equals 1e-45 base units, and 1 cubic nanometer equals 1e-27 base units, so dividing one by the other gives the direct cubic femtometer-to-cubic nanometer factor of 1e-18.
Simple example
1 fm3 × 1e-18 = 1e-18 nm3
1 cubic femtometer = 1e-18 cubic nanometers.
Real-world example
10 fm3 × 1e-18 = 1e-17 nm3
10 cubic femtometers = 1e-17 cubic nanometers.
Conversion table
| Cubic Femtometer (fm3) | Cubic Nanometer (nm3) |
|---|---|
| 1 fm3 | 1e-18 nm3 |
| 5 fm3 | 5e-18 nm3 |
| 10 fm3 | 1e-17 nm3 |
| 25 fm3 | 2.5e-17 nm3 |
| 50 fm3 | 5e-17 nm3 |
| 100 fm3 | 1e-16 nm3 |
Reverse conversion: Cubic Nanometer to Cubic Femtometer
1e-18 nm3 × 1e+18 = 1 fm3
1e-18 cubic nanometers = 1 cubic femtometers.
cubic femtometers = cubic nanometers × 1e+18
For a page dedicated to this direction, see Cubic Nanometer to Cubic Femtometer.
Understanding the Cubic Femtometer (fm3)
Cubic metric volume unit.
Understanding the Cubic Nanometer (nm3)
Cubic metric volume unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic nanometers are in 1 cubic femtometer?
1 cubic femtometer equals 1e-18 cubic nanometers, using the exact defined conversion factor rather than an estimate.
How do I convert cubic femtometer to cubic nanometer?
Multiply the cubic femtometer value by 1e-18. The converter above does this instantly to whatever precision you set.
How do I convert cubic nanometer back to cubic femtometer?
Use the reverse factor: 1 cubic nanometer equals 1e+18 cubic femtometers. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic femtometer?
Cubic Femtometer (fm3) is a unit of volume.
What is a cubic nanometer?
Cubic Nanometer (nm3) is a unit of volume.
Is the cubic femtometer to cubic nanometer conversion exact?
Yes. Both cubic femtometer and cubic nanometer are defined by fixed standards rather than physical artifacts, so the factor of 1e-18 used above is exact to as many digits as you choose to display.