Size 2 capsules are a smaller capsule size commonly used for:
- lower-dose supplements
- vitamins
- concentrated ingredients
- sensitive users
- easier swallowing
They provide a balance between:
- compact size
- moderate powder capacity
- user comfort
This guide explains the approximate volume, dimensions, and powder capacity of size 2 empty capsules.
Size 2 Capsule Volume
The approximate internal volume of a size 2 capsule is:
0.37 ml
This smaller volume makes size 2 capsules suitable for moderate to lower-dose formulations.
How Many mg Fit in a Size 2 Capsule?
The approximate powder capacity of a size 2 capsule is:
| Powder Type | Approximate Capacity |
|---|---|
| Light powders | 180–220 mg |
| Medium density powders | 250–320 mg |
| Dense powders | 370 mg |
Actual capacity depends on:
- powder density
- particle size
- moisture content
- powder compression
Size 2 Capsule Dimensions
| Measurement | Approximate Size |
|---|---|
| Length | 17.3 mm |
| Diameter | 6.1 mm |
| Volume | 0.37 ml |
Size 2 capsules are smaller than:
- size 000
- size 00
- size 0
- size 1
making them easier for many people to swallow.
What Are Size 2 Capsules Used For?
Size 2 capsules are commonly used for:
- lower-dose supplements
- vitamins
- probiotics
- concentrated herbal extracts
- sensitive users
- daily wellness products
They are often chosen when:
- smaller capsules are preferred
- swallowing comfort is important
- lower doses are required
Size 2 Capsule Capacity by Powder Density
Different powders can produce very different fill weights inside the same capsule.
Low Density Powders
Examples:
- mushroom powders
- fluffy herbs
- some botanical powders
Approximate fill:
- 180–220 mg
Medium Density Powders
Examples:
- vitamins
- nutritional supplements
- amino acid blends
Approximate fill:
- 250–320 mg
High Density Powders
Examples:
- minerals
- dense extracts
- compact powders
Approximate fill:
- up to 370 mg
Size 2 vs Other Capsule Sizes
| Capsule Size | Approximate Capacity |
|---|---|
| 000 | 700–1400 mg |
| 00 | 500–950 mg |
| 0 | 300–700 mg |
| 1 | 250–500 mg |
| 2 | 180–370 mg |
| 3 | 150–300 mg |
| 4 | 100–210 mg |
Size 2 capsules are considered:
- smaller capsules
- suitable for lighter dosages
- easier to swallow than larger sizes
Are Size 2 Capsules Easy to Swallow?
Yes. Size 2 capsules are generally considered easy to swallow due to their smaller dimensions.
They are commonly chosen for:
- children (where appropriate)
- sensitive users
- people who dislike large capsules
- daily wellness supplements
Gelatin vs HPMC Size 2 Capsules
Size 2 capsules are available in both:
- gelatin capsules
- HPMC vegetarian capsules
Gelatin Capsules
- traditional material
- smooth texture
- commonly used
HPMC Capsules
- vegetarian and vegan friendly
- plant-based
- suitable for clean-label products
Both types have similar internal capacities and dimensions.
Choosing Size 2 Capsules
Size 2 capsules may be suitable if you want:
- smaller capsules
- moderate or lower powder capacity
- easier swallowing
- compact supplement doses
If your formulation requires larger doses, you may prefer:
- size 1
- size 0
- size 00
- size 000
Frequently Asked Questions
How many mg fit in a size 2 capsule?
Typically around 180–370 mg depending on powder density.
What is the volume of a size 2 capsule?
A size 2 capsule has an approximate volume of 0.37 ml.
Are size 2 capsules easy to swallow?
Yes. Size 2 capsules are smaller than many standard capsule sizes and are generally easier to swallow.
Are vegetarian size 2 capsules available?
Yes. HPMC vegetarian size 2 capsules are widely available.
What are size 2 capsules commonly used for?
They are commonly used for vitamins, probiotics, concentrated supplements, and lower-dose formulations.
Related Pages
- Capsule Sizes Explained
- Capsule Size Chart
- Capsule Volume Chart
- Capsule Capacity Calculator
- Powder Density Calculator
- How Many mg Fit in a Capsule
- Size 000 Capsule Capacity
- Size 00 Capsule Capacity
- Size 0 Capsule Capacity
- Size 1 Capsule Capacity
- Size 3 Capsule Capacity