Example: To convert 5 femtogram to kilogram, multiply 5 by 999999999999999900 to get 5.0000e+18 kg (5.0000e+18 kg).
| fg | kg |
|---|---|
| 1e-18 fg | 1 kg (1.0000e+0 kg) |
| 1 fg | 1.0000e+18 kg (1.0000e+18 kg) |
| 2 fg | 2.0000e+18 kg (2.0000e+18 kg) |
| 3 fg | 3.0000e+18 kg (3.0000e+18 kg) |
| 4 fg | 4.0000e+18 kg (4.0000e+18 kg) |
| 5 fg | 5.0000e+18 kg (5.0000e+18 kg) |
| 6 fg | 6.0000e+18 kg (6.0000e+18 kg) |
| 7 fg | 7.0000e+18 kg (7.0000e+18 kg) |
| 8 fg | 8.0000e+18 kg (8.0000e+18 kg) |
| 9 fg | 9.0000e+18 kg (9.0000e+18 kg) |
| 10 fg | 1.0000e+19 kg (1.0000e+19 kg) |
| 11 fg | 1.1000e+19 kg (1.1000e+19 kg) |
| 12 fg | 1.2000e+19 kg (1.2000e+19 kg) |
| 13 fg | 1.3000e+19 kg (1.3000e+19 kg) |
| 14 fg | 1.4000e+19 kg (1.4000e+19 kg) |