| Value | Description | Notes | Issue number | Modified in Issue |
|---|---|---|---|---|
| cm | Centimeters | Millimeters are the preferred metric unit of length | 6 | |
| gr | Grams | 0 | ||
| in | Inches (US) | 0 | ||
| kg | Kilograms | Grams are the preferred metric unit of weight | 9 | |
| lb | Pounds (US) | Ounces are the preferred US customary unit of weight | 0 | 64 |
| mm | Millimeters | 0 | ||
| oz | Ounces (US) | 0 | ||
| px | Pixels | 9 |