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Convert Kilometer to Femtometer
Please provide values below to convert kilometer [km] to femtometer [fm], or vice versa.
Kilometer to Femtometer Conversion Table
| Kilometer [km] | Femtometer [fm] |
|---|---|
| 0.01 km | 1.0E+16 fm |
| 0.1 km | 1.0E+17 fm |
| 1 km | 1.0E+18 fm |
| 2 km | 2.0E+18 fm |
| 3 km | 3.0E+18 fm |
| 5 km | 5.0E+18 fm |
| 10 km | 1.0E+19 fm |
| 20 km | 2.0E+19 fm |
| 50 km | 5.0E+19 fm |
| 100 km | 1.0E+20 fm |
| 1000 km | 1.0E+21 fm |
How to Convert Kilometer to Femtometer
1 km = 1.0E+18 fm
1 fm = 1.0E-18 km
Example: convert 15 km to fm:
15 km = 15 × 1.0E+18 fm = 1.5E+19 fm