Pouch Size Calculator
Enter the net weight and bulk density of your product to estimate the pouch width, height and gusset depth you need. Leave the width empty to get three recommended sizes.
Your product and pouch
Typical bulk density, varies by product - please confirm.
Share of the pouch interior occupied by product; the rest is headspace and filling allowance. Range 50-95%.
Advanced settings
When full, the bottom opens to a thickness of about k × gusset depth. Empirical coefficient.
Results
This is a planning estimate; actual filled shape depends on film stiffness and filling method. We can confirm with a sample.
How it works
How to use
- Pick a product preset or type your own bulk density.
- Enter the net weight, pouch type and fill ratio.
- Optionally enter a pouch width to get the height for that width; otherwise three sizes are recommended.
- Press Calculate and compare the options. Confirm with a sample.
How it is calculated
- Product volume (cm³) = net weight (g) ÷ bulk density (g/cm³).
- Inner volume (cm³) = product volume ÷ fill ratio.
- Effective inner width = pouch width - 2 × side seal. Inner volume in mm³ = cm³ × 1000.
- Full thickness T: stand-up = k × gusset depth; flat-bottom = gusset depth (close to a box); side-gusset = side gusset depth; 3-side seal = pouch width × 0.12 (average estimate).
- Effective inner height = inner volume (mm³) ÷ (effective inner width × T). Pouch height = effective inner height + top and bottom seals.
- Recommended sizes: gusset depth is 0.30-0.40 × width; all sizes are rounded up to a multiple of 5 mm.
- 1 inch = 25.4 mm. Capacity in ml = inner volume in cm³.
Reference sizes for common products
Calculated with the same formula, using a stand-up pouch, 80% fill, 25 mm top and bottom seals, 8 mm side seals, k = 0.60 and the Standard width option.
| Product | Net weight | Density g/cm³ | Inner ml | W × H × Gusset mm |
|---|
Need a sample to confirm?
Send us your product, weight and pouch type and we will confirm the size with a sample.