| Carats | Short Hundredweights (US) |
| 1 ct | 4.4092449520759E-6 sh cwt |
| 2 ct | 8.8184899041518E-6 sh cwt |
| 3 ct | 1.3227734856228E-5 sh cwt |
| 4 ct | 1.7636979808304E-5 sh cwt |
| 5 ct | 2.2046224760379E-5 sh cwt |
| 6 ct | 2.6455469712455E-5 sh cwt |
| 7 ct | 3.0864714664531E-5 sh cwt |
| 8 ct | 3.5273959616607E-5 sh cwt |
| 9 ct | 3.9683204568683E-5 sh cwt |
| 10 ct | 4.4092449520759E-5 sh cwt |
| 11 ct | 4.8501694472835E-5 sh cwt |
| 12 ct | 5.2910939424911E-5 sh cwt |
| 13 ct | 5.7320184376987E-5 sh cwt |
| 14 ct | 6.1729429329063E-5 sh cwt |
| 15 ct | 6.6138674281139E-5 sh cwt |
| 16 ct | 7.0547919233214E-5 sh cwt |
| 17 ct | 7.495716418529E-5 sh cwt |
| 18 ct | 7.9366409137366E-5 sh cwt |
| 19 ct | 8.3775654089442E-5 sh cwt |
| 20 ct | 8.8184899041518E-5 sh cwt |