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Pouch Capacity Calculator

Estimate pouch volume from internal width, height, effective gusset depth, and a user-entered usable-volume fraction. Formula: rectangular-envelope volume = width × height × gusset depth; estimated usable volume = envelope volume × usable fraction. This geometric estimate is not a package rating or fill-weight estimate.

Example values are prefilled to demonstrate the calculation. Replace them with values for your product, package, equipment, and operating conditions.

Inputs

Pouch dimensions and usable fraction

Range: at least 0 in

Enter the inside layflat width in inches; it must be greater than zero.

Range: at least 0 in

Enter usable inside height in inches, excluding any top seal or closure area not available for fill; it must be greater than zero.

Range: at least 0 in

Enter the effective inside depth when the pouch is opened, not the folded gusset panel width. This model treats the opened cross-section as rectangular; it must be greater than zero.

Range: 0–1 0–1

Enter a measured or assumed fraction from 0 to 1; no fill factor is supplied. Actual usable fill depends on pouch shape, product, headspace, closure, and filling process.

Result

Valid
Rectangular-envelope volume
96.00 in³
Estimated usable volume
67.20 in³
Estimated usable volume
37.24 U.S. fl oz
Usable fraction applied
0.7
Volume estimate limitations
Rectangular-envelope geometry only. The opened gusset and actual pouch cross-section may not be rectangular; the user-supplied usable fraction is not validated. Results do not determine package rating, liquid-fill capacity, product fill weight, headspace, or seal performance. U.S. fluid ounces are a volume unit, not ounces by weight.

Calculation

Rectangular-envelope volume
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Estimated usable volume
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Estimated usable volume
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