| Carats | Quintal |
| 1 ct | 4.0858018386108E-6 quintal |
| 2 ct | 8.1716036772217E-6 quintal |
| 3 ct | 1.2257405515832E-5 quintal |
| 4 ct | 1.6343207354443E-5 quintal |
| 5 ct | 2.0429009193054E-5 quintal |
| 6 ct | 2.4514811031665E-5 quintal |
| 7 ct | 2.8600612870276E-5 quintal |
| 8 ct | 3.2686414708887E-5 quintal |
| 9 ct | 3.6772216547497E-5 quintal |
| 10 ct | 4.0858018386108E-5 quintal |
| 11 ct | 4.4943820224719E-5 quintal |
| 12 ct | 4.902962206333E-5 quintal |
| 13 ct | 5.3115423901941E-5 quintal |
| 14 ct | 5.7201225740552E-5 quintal |
| 15 ct | 6.1287027579162E-5 quintal |
| 16 ct | 6.5372829417773E-5 quintal |
| 17 ct | 6.9458631256384E-5 quintal |
| 18 ct | 7.3544433094995E-5 quintal |
| 19 ct | 7.7630234933606E-5 quintal |
| 20 ct | 8.1716036772217E-5 quintal |