Example: To convert 5 femtogram to tetradrachma (Biblical Greek), multiply 5 by 13599999999999978 to get 6.8000e+16 tetra_gr (6.8000e+16 tetra_gr).
| fg | tetra_gr |
|---|---|
| 3 fg | 4.0800e+16 tetra_gr (4.0800e+16 tetra_gr) |
| 4 fg | 5.4400e+16 tetra_gr (5.4400e+16 tetra_gr) |
| 5 fg | 6.8000e+16 tetra_gr (6.8000e+16 tetra_gr) |
| 6 fg | 8.1600e+16 tetra_gr (8.1600e+16 tetra_gr) |
| 7 fg | 9.5200e+16 tetra_gr (9.5200e+16 tetra_gr) |
| 8 fg | 1.0880e+17 tetra_gr (1.0880e+17 tetra_gr) |
| 9 fg | 1.2240e+17 tetra_gr (1.2240e+17 tetra_gr) |
| 10 fg | 1.3600e+17 tetra_gr (1.3600e+17 tetra_gr) |
| 11 fg | 1.4960e+17 tetra_gr (1.4960e+17 tetra_gr) |
| 12 fg | 1.6320e+17 tetra_gr (1.6320e+17 tetra_gr) |
| 13 fg | 1.7680e+17 tetra_gr (1.7680e+17 tetra_gr) |
| 14 fg | 1.9040e+17 tetra_gr (1.9040e+17 tetra_gr) |
| 15 fg | 2.0400e+17 tetra_gr (2.0400e+17 tetra_gr) |
| 16 fg | 2.1760e+17 tetra_gr (2.1760e+17 tetra_gr) |
| 17 fg | 2.3120e+17 tetra_gr (2.3120e+17 tetra_gr) |