Unit Converter for Packaging: Length, Film Thickness, Weight, Volume and Density
Convert between metric and imperial units used in flexible packaging quotes. Type in any box and the other units update instantly. Results are rounded to 4 decimal places.
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Length
Pouch size quick converter
Enter width × height × gusset. Inches are rounded to the nearest 1/16 inch and shown as fractions.
Film thickness
1 mil = 25.4 µm. 1 gauge = 0.254 µm = 0.01 mil, so 100 gauge = 1 mil. 1 inch = 25400 µm.
Weight
1 oz = 28.3495 g. 1 lb = 0.45359237 kg.
Volume
1 US fl oz = 29.5735 ml. 1 US gallon = 3.78541 L.
Area & basis weight
Basis weight
1 m² = 10.7639 ft². 1 oz/yd² = 33.906 g/m².
Weight ↔ volume by density
Volume (ml) = weight (g) ÷ density (g/ml). Preset densities are typical values only; bulk density varies by grind, moisture and packing, so test your own product.
Quick reference: common pouch sizes
Common pouch sizes in inches with the equivalent in millimetres and centimetres.
| Size (in) | Size (mm) | Size (cm) |
|---|
How to use and assumptions
- Type a value in any field; the other fields in the same tab update immediately.
- Values are rounded to a maximum of 4 decimal places for display.
- Pouch sizes are rounded to the nearest 1/16 inch for easy reading on drawings and quotes.
- Volume units are US customary. Density results are estimates based on typical values.
Need help with pouch sizes or specifications?
Send us your target size, film structure and quantity and we will recommend a suitable pouch.
Shenzhen Yongliantai New Material Technology Co., Ltd.
Building 7, No.9 Baoqing Road, Baolong Street, Longgang District, Shenzhen 518115, China