THCA and Delta-9 THC are two forms of the same compound. THCA is the form found in raw hemp flower. Heat, such as lighting or vaporizing flower, turns THCA into Delta-9 THC. Edibles like gummies list Delta-9 THC directly.
Why flower uses % and gummies use mg
| Product | How strength is shown | Example |
|---|---|---|
| Flower and pre-rolls | Percent THCA by dry weight | 25% THCA |
| Gummies and edibles | Milligrams per piece and per pack | 40 mg per gummy, 400 mg per pack |
| Vapes | Percent of the oil, or mg per device | Varies by brand |
Converting % to mg
To compare flower with an edible, convert the percent to milligrams. One gram is 1,000 mg, so:
- 1 g of flower at 25% THCA holds 250 mg of THCA.
- After heat, that is about 219 mg of Delta-9 THC (250 × 0.877).
This is the most you could get from the material. How much reaches you depends on how it is used.
Other names you will see
- Delta-8 THC. A related compound sold in some edibles and vapes. Labels list it in mg like Delta-9.
- CBD. A different compound from THC. Some products combine CBD and THC; the label lists both amounts.
Where to check the numbers
Every strength on our product pages comes from the product’s label or its lab report. See How to read a COA to check them yourself.
Adults 21+ only.