Understanding CBD Strength: Milligrams and Millilitres
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CBD labels commonly show milligrams, millilitres and sometimes percentages. These figures describe different things. Understanding them makes it easier to compare products without relying on vague strength claims.
Total CBD in milligrams
The milligram figure usually states the total quantity of CBD in the entire bottle or pack. It does not necessarily describe the amount in one measured serving.
Container size in millilitres
Millilitres describe liquid volume. Two bottles can both contain 1500mg CBD but have different concentrations if their volumes are different.
How to calculate CBD per millilitre
Total CBD (mg) ÷ total volume (ml) = CBD per ml
| Total CBD | Bottle size | Approximate CBD per 1ml |
|---|---|---|
| 1000mg | 30ml | 33.3mg |
| 1500mg | 30ml | 50mg |
| 3000mg | 30ml | 100mg |
| 6000mg | 30ml | 200mg |
Drop size can vary between droppers and products. Avoid converting milligrams per millilitre into milligrams per drop unless the manufacturer provides a reliable drop volume.
How gummy strengths work
For gummies, the most useful figures are CBD per gummy, the number of gummies and total CBD in the pack. Multiply the first two figures to check the total.
- 25 gummies × 25mg = 625mg total CBD
- 25 gummies × 50mg = 1250mg total CBD
- 20 gummies × 70mg = 1400mg total CBD
The amount in one whole gummy is not automatically a recommended daily amount. This distinction is especially important for products containing more than the current FSA daily advisory level.
What does a percentage mean?
Percentage labelling can depend on the product and the calculation method used. When comparing products, use the clearly stated total CBD, container volume and CBD per measured unit. Ask the seller if the basis of a percentage is unclear.
Strength is not a benefit claim
A higher concentration means more CBD in a given volume or unit. It does not prove that the product is more suitable, more effective or medically beneficial.
CBD label checklist
- Total CBD in the container
- CBD per 1ml, gummy or other measured unit
- Container or pack size
- Complete ingredients
- Spectrum type
- Batch number and certificate of analysis
- Directions, warnings and best-before information
