| Femtograms | Tons |
|---|---|
| 1 fg | 1.0E-21 t |
| 2 fg | 2.0E-21 t |
| 3 fg | 3.0E-21 t |
| 4 fg | 4.0E-21 t |
| 5 fg | 5.0E-21 t |
| 6 fg | 6.0E-21 t |
| 7 fg | 7.0E-21 t |
| 8 fg | 8.0E-21 t |
| 9 fg | 9.0E-21 t |
| 10 fg | 1.0E-20 t |
| Femtograms | Tons |
|---|---|
| 15 fg | 1.5E-20 t |
| 20 fg | 2.0E-20 t |
| 30 fg | 3.0E-20 t |
| 40 fg | 4.0E-20 t |
| 50 fg | 5.0E-20 t |
| 60 fg | 6.0E-20 t |
| 70 fg | 7.0E-20 t |
| 80 fg | 8.0E-20 t |
| 90 fg | 9.0E-20 t |
| 100 fg | 1.0E-19 t |
| Femtograms | Tons |
|---|---|
| 500 fg | 5.0E-19 t |
| 1000 fg | 1.0E-18 t |
| 1500 fg | 1.5E-18 t |
| 10000 fg | 1.0E-17 t |
| 50000 fg | 5.0E-17 t |
| 100000 fg | 1.0E-16 t |
| 500000 fg | 5.0E-16 t |
| 1000000 fg | 1.0E-15 t |
| 5000000 fg | 5.0E-15 t |
| 10000000 fg | 1.0E-14 t |