Capsule Size Chart

To understand capsule size chart is somewhat substantial for professionals and individuals. Selecting a proper capsule according to your need takes a lot of time and research, hence the capsule size chart will save your time and energy. Many consumers are unfamiliar with industrial standards for selecting a correct capsule size that results in purchasing wrong-sized capsules ultimately poor production output.

Whether you are a professional or hobbyist, the capsule size chart and explanation on this page can be exceptionally helpful to you.

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    1.Basic Dimensions of a Capsule are?

    SIZE 000 00 0 1 2 3 4 5
    Capsule Volume (ml) 1.37 0.95 0.68 0.50 0.37 0.30 0.21 0.13
    Capsule Weight (mg) 163 123 96 76 61 48 38 28
    Body length (in) 0.874 0.795 0.726 0.654 0.601 0.535 0.480 0.366
    Body Length (mm) 22.20 20.20 18.44 16.61 15.27 13.59 12.19 9.30
    Cap length (in) 0.510 0.464 0.422 0.385 0.352 0.318 0.284 0.244
    Cap length (mm) 12.95 11.80 10.72 9.78 8.94 8.08 7.21 6.20
    Well-knit length (in) 1.029 0.925 0.854 0.765 0.709 0.626 0.563 0.437
    Well-knit length (mm) 26.1 23.5 21.7 19.4 18.0 15.9 14.3 11.1
    Body diameter (in) 0.376 0.322 0.289 0.261 0.239 0.219 0.199 0.184
    Body diameter (mm) 9.55 8.20 7.34 6.63 6.07 5.57 5.05 4.68
    Cap diameter (in) 0.390 0.336 0.300 0.272 0.250 0.229 0.209 0.193
    Cap diameter (mm) 9.91 8.54 7.64 6.91 6.35 5.82 5.32 4.91

    To understand the basic dimensions of the capsule is very important to assess the capsule sizes. No matter what type of capsule you use, either gelatin, vegetarian, or HPMC, their structure is almost similar in all instances.


    An overall closed length involved size of the capsule includes a closed shell with the formulation. A cap length is the shortest region of the capsule that is the best fit to the top of the body once a capsule is filled with formulation content. Whereas the body is the long end of the capsule that holds the formulation inside.


    Weight capacity ensures the concentration of formulation that can perfectly fit into the body of the capsule. Weight capacity depends upon the density of the formulation substances. You won’t be able to significantly fit lighter substances into desired capsules as you would do with a greater density even the same ingredients are produced by two different manufacturers.

    Discussed below are the basic points of capsule dimension that will help you to understand the capsule size chart easily.

    Capsule Weight

    Capsule Weight

    An empty capsule weight is known as capsule weight.

    Volume Capacity

    Volume Capacity

    The inside volume of the capsule is known as volume capacity, expressed in milliliters.

    Weight Capacity

    Weight Capacity

    The weight capacity of the capsule depends upon the density of formulation, expressed in milligrams.

    Overall Length

    Overall Length

    It is measured as the length of the capsule when closed entirely and locked. It is expressed in millimeters.

    Individual Length

    Individual Length

    When you measure the length of the capsule such as the cap and the body individually. It is known as the individual length of the capsule.



    It is the acceptable deviation in dimensions.

    2.The Standard Sizes of a Capsule are?


    Many different capsule sizes around you make it difficult to figure out the correct capsule size according to your need. For many applications commonly used capsule sizes range from 00 to 0 which is often known as a standard size of the capsule.

    These are considered as common sizes because they contain a usual dose for therapeutic medications. Such as:

    • ‘00’ has the affinity to hold 735 milligrams or 0.735grams while
    • ‘0’ has an affinity to cover 500 milligrams or 0.5 grams of powdered ingredients.

    Furthermore, you can classify capsule sizes into three main parts:

    Large Capsule


    A size ‘000’ is known as the largest capsule size that has the capacity to hold nearly 1000mg or 1 gram. But this weight is dependent upon the density of the ingredient. Therefore, it is recommended to assess the mesh size and density of filling powders from the capsule size chart below in this blog.

    Average Size Capsule


    A size ‘00’ is known as an average size capsule that has an affinity to hold material 750 mg, while the volume of the capsule is 0.68ml. Due to size and great filling capacity, most of the nutraceutical or supplement industry prefer these capsules.


    A size ‘0’ has an affinity to hold a dose of 500 mg which is an average dose size. This is the most applied form of capsule which is implemented for pharmaceutical and beauty industries. The volume of the capsule for ‘0’ is 0.68ml.

    Small Capsules


    Some people might face trouble with swallowing large or average capsules. For this small capsule is preferred that is of size ‘1’ holds about 400 milligrams. Size ‘1’ capsule has the capacity to hold 0.5 ml of volume which is indeed not the best fit for those who want a high dosage formulation.


    Furthermore, size ‘2’ is a small capsule class, that can hold about 300 milligrams filling ingredients preferably used for those consumers who have problems with swallowing the large capsule.
    Mostly small capsules require an intricate and complex filling procedure, that is why these are not popular among consumers as a buying choice. But, due to lower-cost material, they are available as the cheapest form of capsules.

    3.How do you determine the overall length of a capsule through a size chart?

    Representative (prpximamntiy Capsule Sizes Capsule Size Typiali Wights (mg)
    Acual Fi Weighs may vany and depend on powder chaneteristies
    Volume Theorctical Locked Length External Diumeter Cut Lcngh Single Wall Thickoes Weight (Avg of 100)
    Powder Density (ml) +/- 0.76 (mm) Tolenece (mm) +/-051 (mm) +/+ 0.03 (mm) +-10% (mg)
    0.45 (light) 0.70 (typical) 1:00 (heavy) Componen
    000 615 960 1370 1.37 26.14 Cap 9.91 12.95 0.112 163
    Body 9.55 22.20 0.110
    00 430 665 950 0.95 23.30 Cap 8.53 11.74 0.109 118
    Body 8.18 20.22 0.107
    0 305 475 680 0.68 21.70 Cap 7.65 10.72 0.107 96
    Body 7.34 18.4 0.104
    1 225 350 500 0.50 19.40 Cap 6.91 9.78 0.104 76
    Body 6.63 16.61 0.102
    2 165 260 370 0.37 18.00 Cap 6.35 894 0.102 61
    Body 6.07 15.27 0.099
    3 135 210 300 0.30 15.90 Cap 5.82 8.08 0.092 48
    Body 5.56 13.59 0.890
    4 95 145 210 0.21 14.30 Cap 5.31 7.21 0.096 38
    Body 5.05 12.19 0.091
    5 60 90 130 0.13 11.1 Cap 4.91 6.2 0.089 28
    Body 4.68 9.32 0.086

    Whether you are a manufacturer or hobbyist and want you to encapsulate your own formulation. Choosing a capsule with the best fit size will make a better difference and enhance the product quality. Today’s market has plenty of various capsule sizes supplemented by competitive manufacturers.

    Discussing the following points will enable you to select the correct size of the capsule through a size chart.

    For easy understanding see below the illustration. Here, you can find ‘millimeters’ on the left side while ‘inches’ on the right side.

    capsule through a size chart-1

    Size ‘000’

    • The largest capsule size that is sometimes also known as ‘triple zero’.
    • You can estimate volume through chart by the coinciding end of capsule with inches, that is 1.39ml.
    • The lock length of the "000"capsule is determined as 26.1mm.
    • While the external diameter is of the cap estimated as 9.91mm.
    • The external diameter of the body is estimated as 9.55 mm.

    Size ‘00’

    • Also known as "Double Zero"capsules.
    • Such sizes are commonly used for supplements and pharmaceutical medicines.
    • The entire weight retaining capacity of  is observed as 0.9ml.
    • The entire length was estimated as 23.4mm.
    • The external diameter of these capsules was observed as 8.56mm.
    • The external diameter of the body is estimated as 8.18 mm.

    Size ‘0’

    • The volume holding capacity of size ‘0’ capsules is estimated as 0.68 ml.
    • The entire length or well-knit length is estimated as 21.7 mm.
    • The external diameter of the cap is estimated as 7.64mm.
    • The external diameter of the body is estimated as 7.34 mm.
    • Each "0" capsule will hold 400mg-800mg powder when filling capsules.

    Size ‘1’

    • The size ‘1’ capsules are commonly used capsule size which is slightly smaller than size ‘0’ capsules.
    • The volume holding capacity of the ‘1’ size capsule is 0.48ml.
    • The entire length or well-knit length is estimated as 19.4mm.
    • The external diameter of size ‘1’ capsule is estimated as 6.96mm.
    • The external diameter of the body is estimated as 6.63 mm.

    Size ‘2’

    • Commonly used for dispensing pharmacy products.
    • Not frequently preferred for dispensing food supplements.
    • The volume is estimated as 0.36ml.
    • The entire length is recorded as 19.6mm.
    • The external diameter is estimated as 6.35mm.
    • The external diameter of the body is estimated as 6.07 mm.

    Size ‘3’

    • These capsules are less commonly used due to their smaller size.
    • The volume of the size ‘3’ capsule is estimated as 0.27ml.
    • The overall length noted in the size ‘3’ capsule is 15.7mm.
    • The external diameter of the cap of size ‘3’ is 5.85mm.
    • The external diameter of the body is estimated as 5.56 mm.

    Size ‘4’

    • Known as the second smallest capsule.
    • Restricted for special cases or specialized medicines.
    • The volume holding capacity is 0.2ml.
    • The overall length is estimated as 14.3mm.
    • Whereas the external diameter of the cap is estimated as 5.33mm.
    • The external diameter of the body is estimated as 5.05 mm.

    Size ‘5’

    • The smallest capsule standard size.
    • Implemented for pharmaceutical usage/applications.
    • The volume holding capacity is 0.31ml.
    • The overall length is estimated at 11.1mm.
    • The external diameter of a cap is 4.91mm.
    • The external diameter of the body of this "4" capsule is estimated as 4.68 mm.

    4.How do you determine formulation density & mass?

    For encapsulation, you must consider two primary things: formulation density and mass.

    Formulation density is determined by the following formula:

    Density= Mass/Volume

    Density is expressed in gram/ml, while mass is given in gram, and volume is given in ml.

    Mass is simply assessed by weighing the weight of the product using an accurate scale.

    Volume is the concentration of substance enclosed within a capsule.

    In simpler words, if you want to encapsulate 600mg of substance, you need to place 600mg into a measuring spoon and determine its volume you need to fill their volume till demarcation. For instance, demarcation is 1ml. So, divide 600mg/1ml that will yield gm/ml. Thus, formulation density is 0.6 grams/ml.

    The next step is to see the chart.

    Empy Capsule Size
    Capsule Slze 000 00E 00 0E 0 1 2 3 4 5
    Empy Capsule Weight (Gelatin)
    Average Weight (mg) 158 143 123 107 99 76 61 48 38 28
    Tolerance 土10  土10 土7 土7 土6 土5 士4 土3  土3 土2
    Empty Capsule Weight (Vegetarian)
    Average Weight (mg) 163 152 136 107 105 79 63 50 40 30
    Tolerance 土10 土10 土7 土7 士6 土5 土4 土3  土3 土2
    Empty Capsule Volume Capacity(ml)
    Capacity 1.37 1.00 0.90 0.78 0.68 0.48 0.36 0.27 0.20 0.13
    Empty Capsule Waight Capacityby Formulation Density (mg)
    Formulation Density
    0.6g/mi 822 600 540 468 408 288 216 162 120 78
    0.8g/ml 1096 800 720 624 544 384 288 216 160 104
    1.0 g/ml 1370 1000 900 780 680 480 360 270 200 130
    1.2 g/ml 1644 1200 1080 936 816 576 432 324 240 156

    See the density closest to 600mg, in mentioned chart ‘00’ size is suitable to accommodate your requirement.

    5.How do you find a suitable bottle volume and a capsule count?

    It is important to match capsule size with bottle volume. By doing this, you can estimate the capsule count for each bottle or container.

    A Guidance Chart for Capsule Count Per Bottle Size


    Bottle Size
    60ml 100ml 120ml 150ml 180ml 200ml 300ml 400ml 500ml Capsule
    000 30 60 90 120 180
    00 30 60 90 120 180
    0 30 60 90 120 180
    1 30 60 90 120

    The following chart has three main parameters

    • Capsule size
    • Bottle size
    • Capsule per bottle

    According to the capsule size and bottle capacity, you can easily assess the number of capsules in each bottle. For instance, if you want to pack size ‘000’ capsules in a bottle. Through a guidance chart, you can assess capsule count, such as:

    • 30 capsules in 120 ml bottle
    • 60 capsules in 200 ml bottle
    • 90 capsules in 300 ml bottle
    • 120 capsules in 400 ml bottle
    • 180 capsules in 500 ml bottle


    The exact aim of this blog is to make you capable to understand and learn the basic terminologies and techniques to determine the capsule size. We hope now you will be capable enough to decide the correct capsule size according to your formulation density. It’s time to begin scrutinizing and order the bulk empty capsules now.

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