carat (karat)
| Symbol: | ct, Kt |
| Category: | Fraction |
| SI Equivalent: | 4.16667×10-2 |
| Dimension: | nil (fraction) |
| System: | INT |
| Notes | |
| Commonly used in the precious metal industry, it corresponds to the mass fraction of gold in precious alloys used in jewelry. 1 carat = 1/24 | |
1 ct, Kt =
| Fraction | ||
| Symbol | Unit Name | |
| 4.16667×107 | ppb | part per billion |
| 4.16667 | pph, % | part per hundred |
| 4.16667×106 | pphm | part per hundred million |
| 4166.67 | ppht | part per hundred thousand |
| 4.16667×104 | ppm | part per million |
| 4.16667×1013 | ppq | part per quadrillion |
| 4.16667×1010 | ppt | part per tera |
| 41.6667 | ppt | part per thousand |
