Capsule Sizes report

capsulesYou may be asking yourself what size capsule is best to choose when encapsulating powder. You are right to ask yourself this question before purchasing. It can be challenging to determine which size is right for your needs with all these different capsule sizes.

Manufacturers must consider standard capsule sizes before starting to produce capsules, which, if done correctly, will save a lot of time and money in the long run. Choosing the correct capsule sizes is also critical for encapsulating professionals when preparing to encapsulate a formulation or create a product line.

Nowadays, all kinds of medicines or health food are packed into capsules of different sizes according to the optimal dosage. Have you noticed the difference between these capsules? Many consumers or hobbyists are not familiar with the industry standards of capsule sizes. This lack of knowledge often leads to purchasing the wrong sized capsule, resulting in product returns. The following post will explain more details about standard capsule sizes.

Capsule Size Guide

There are standard size capsules that are named by numerical values. They are numbered: 000, 00, 0, 1, 2, 3, and 4. These sizes are the same for all Gelatin, HPMC, and Pullulan types. The majority of capsule filling machines are manufactured to be compatible with these standard sizes. We have put together these size charts to help you understand the different sizes.

Capsule Size Charts

There is a lot of information on the following size table; here is a key to reading these sections.

  • Weight - The weight of the capsule when empty in milligrams.
  • Volume Capacity - The volume of the inside of the capsule in milliliters.
  • Tolerance - The acceptable variance in dimensions.
  • Powder Density - The weight capacity of the capsule (dependant on bulk density of formulation) in milligrams.
  • Overall Closed Length - The length of the capsule when it is fully closed and locked in millimeters.
  • Individual Lengths - Measures the body and the cap separately.
Capsule Sizing
https://www.capsulesizes.com/capsule-size-chart/

Below are some capsule size charts that show measurements and weights for various capsule sizes.

SizeWeight (mg)Weight Tolerance (mg)Volume Capacity (ml)Body LengthCap LengthBody&Cap Length Tolerance
000163 mg± 11 mg
1.37 ml0.874" / 22.20 cm
0.510" / 12.95 cm
± 0.018" / 0.46 cm
00118 mg± 7 mg
0.91 ml0.796" / 20.22 cm
0.462" / 11.74 cm± 0.018" / 0.46 cm
096 mg± 6 mg
0.68 ml0.726" / 18.44 cm
0.422" / 10.72 cm± 0.018" / 0.46 cm
176 mg± 5 mg
0.50 ml0.654" / 16.61 cm0.385" / 9.78 cm± 0.018" / 0.46 cm
261 mg± 4 mg
0.37 ml0.601" / 15.27 cm0.352" / 8.94 cm± 0.018" / 0.46 cm
348 mg± 3 mg
0.30 ml0.535" / 13.59 cm0.318" / 8.08 cm± 0.018" / 0.46 cm
438 mg± 3 mg
0.21 ml0.480" / 12.19 cm0.284" / 7.21 cm± 0.018" / 0.46 cm

Powder Density - Capsule Capacity

Capsule Size - Capsule Capacity0.6 g / mL0.8 g / mL1 g / mL2 g / mL
000822 mg1096 mg
1370 mg
1644 mg
00546 mg728 mg910 mg1092 mg
0408 mg544 mg680 mg816 mg
1300 mg400 mg500 mg600 mg
2222 mg296 mg370 mg444 mg
3180 mg240 mg300 mg360 mg
4126 mg168 mg210 mg252 mg

External Diameter

Capsule SizeBody (in)Body (mm)Cap (in)Cap (mm)
000
0.376
9.55
0.390
9.91
000.322
8.180.336
8.53
00.2897.340.300
7.64
10.2616.630.2726.91
20.2396.070.2506.53
30.2165.576.355.82
40.1995.055.825.32

Overall Closed Length

capsule sizes

Capsule SizeInchesTolerance (in)MillimeteresTolerance (mm)
0001.029"
± 0.012"
26.1 mm± 0.3 mm
000.917"± 0.012"
23.3 mm± 0.3 mm
00.854"± 0.012"
21.7 mm± 0.3 mm
10.765"± 0.012"
19.4 mm± 0.3 mm
20.709"± 0.012"
18.0 mm± 0.3 mm
30.626"± 0.012"
15.9 mm± 0.3 mm
40.563"± 0.012"
14.3 mm± 0.3 mm

Capsule sizes range from 000 to 4, with 0 to 4 being the most popular. As you can know from the above size charts, higher numbers indicate capsule smaller sizes. It is important to understand each option's weight, capacity, and volume density capacities.


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