Example: To convert 5 Electron mass (rest) to femtogram, multiply 5 by 1097768382880.8 to get 5.4888e+12 fg (5.4888e+12 fg).
| m_e | fg |
|---|---|
| 5 m_e | 5.4888e+12 fg (5.4888e+12 fg) |
| 6 m_e | 6.5866e+12 fg (6.5866e+12 fg) |
| 7 m_e | 7.6844e+12 fg (7.6844e+12 fg) |
| 8 m_e | 8.7821e+12 fg (8.7821e+12 fg) |
| 9 m_e | 9.8799e+12 fg (9.8799e+12 fg) |
| 10 m_e | 1.0978e+13 fg (1.0978e+13 fg) |
| 11 m_e | 1.2075e+13 fg (1.2075e+13 fg) |
| 12 m_e | 1.3173e+13 fg (1.3173e+13 fg) |
| 13 m_e | 1.4271e+13 fg (1.4271e+13 fg) |
| 14 m_e | 1.5369e+13 fg (1.5369e+13 fg) |
| 15 m_e | 1.6467e+13 fg (1.6467e+13 fg) |
| 16 m_e | 1.7564e+13 fg (1.7564e+13 fg) |
| 17 m_e | 1.8662e+13 fg (1.8662e+13 fg) |
| 18 m_e | 1.9760e+13 fg (1.9760e+13 fg) |
| 19 m_e | 2.0858e+13 fg (2.0858e+13 fg) |