| Femtogram | Quintal |
| 1 fg | 2.0429009193054E-19 quintal |
| 2 fg | 4.0858018386108E-19 quintal |
| 3 fg | 6.1287027579162E-19 quintal |
| 4 fg | 8.1716036772217E-19 quintal |
| 5 fg | 1.0214504596527E-18 quintal |
| 6 fg | 1.2257405515832E-18 quintal |
| 7 fg | 1.4300306435138E-18 quintal |
| 8 fg | 1.6343207354443E-18 quintal |
| 9 fg | 1.8386108273749E-18 quintal |
| 10 fg | 2.0429009193054E-18 quintal |
| 11 fg | 2.247191011236E-18 quintal |
| 12 fg | 2.4514811031665E-18 quintal |
| 13 fg | 2.655771195097E-18 quintal |
| 14 fg | 2.8600612870276E-18 quintal |
| 15 fg | 3.0643513789581E-18 quintal |
| 16 fg | 3.2686414708887E-18 quintal |
| 17 fg | 3.4729315628192E-18 quintal |
| 18 fg | 3.6772216547497E-18 quintal |
| 19 fg | 3.8815117466803E-18 quintal |
| 20 fg | 4.0858018386108E-18 quintal |