Empty Capsule Size Chart

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Wondering what size capsule you need to purchase for encapsulating your supplement dosage? Don’t worry, you're not alone. We are frequently asked this question and have put together this sizing chart for your convenience. After all, no one wants to buy the wrong size capsules and have to return them. So which empty capsules do you need to buy, size 0, size 000, size 1? Check out our helpful size chart to find out.




Empty Capsule Size
Capsule Size 000 00E 00 0E 0 1 2 3 4 5
Empty Capsule Weight (Gelatin)
Average Weight (mg) 158 143 123 107 99 76 61 48 38 28
Tolerance ±10 ±10 ±7 ±7 ±6 ±5 ±4 ±3 ±3 ±2
Empty Capsule Weight (Vegetarian)
Average Weight (mg) 163 152 136 107 105 79 63 50 40 30
Tolerance ±10 ±10 ±7 ±7 ±6 ±5 ±4 ±3 ±3 ±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 Weight Capacity by Formulation Density (mg)
Formulation Density
0.6 g/ml 822 600 540 468 408 288 216 162 120 78
0.8 g/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
Empty Capsule Overall Closed Length
(mm) 26.1 25.3 23.4 23.5 21.6 19.4 17.6 15.7 14.3 11.1
Tolerance  (mm) ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.4
inches 1.029 0.996 0.921 0.909 0.85 0.764 0.693 0.618 0.563 0.437
Tolerance inches ±0.012 ±0.012 ±0.012 ±0.012 ±0.012 ±0.012 ±0.012 ±0.012 ±0.012 ±0.016
Empty Capsule Individual Lengths (Cap)
Cap (mm) 12.95 12.95 11.80 11.68 10.85 9.85 8.80 8.00 7.20 6.20
Tolerance ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.29
Cap (inches) 0.510 0.510 0.464 0.460 0.427 0.388 0.346 0.315 0.283 0.244
Tolerance ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.012
Empty Capsule Individual Lengths (Body)
Body (mm) 22.20 22.20 20.22 20.19 18.35 16.40 15.15 13.45 12.10 9.30
Tolerance ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.35 ±0.29
Body (inches) 0.879 0.879 0.796 0.795 0.722 0.645 0.596 0.529 0.476 0.366
Tolerance ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.014 ±0.012
Empty Capsule External Diameter
Cap (mm) 9.91 8.58 8.56 7.65 7.64 6.96 6.39 5.85 5.33 4.91
Cap (inches) 0.390 0.338 0.337 0.301 0.301 0.274 0.252 0.230 0.210 0.193
Body (mm) 9.55 8.25 8.23 7.36 7.35 6.63 6.12 5.6 5.08 4.68
Body (inches) 0.375 0.376 0.322 0.289 0.289 0.290 0.240 0.220 0.200 0.184
Empty Capsule Quantity Per Case
Capsules Per Box 50,000 65,000 75,000 90,000 100,000 125,000 175,000 200,000 250,000 350,000

Visit the Empty Capsule Guide

How to read Capsuline’s Empty Capsule Size Chart

  • Capsule Weight - The total weight of the capsule, measured in milligrams (mg).
  • Volume Capacity - The total volume of the inside of the capsule in milliliters (ml) - Note 1 milliliter(ml) = 1 gram(g).
  • Weight Capacity by Formulation - The total weight capacity of the capsule measured in milligrams(mg) depending on the density of your formulation.
  • Overall Closed Length - The total length of the capsule when it is fully closed and locked.
  • Individual Lengths - Measures both the body and the cap of the capsule’s in both millimeters and inches. The Body is the longer part of the capsule that is filled with your material. The Cap is shorter than the body and is placed over the body to form a complete capsule.
  • External Diameter - The total diameter of both the body and the cap.
  • Tolerance - The allowable variance in dimensions that is allowed prior to a product being considered flawed and/or unfit for sale.

Still have questions?  Visit the Empty Capsules Guide

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