Initializing BerryLabs
Initializing BerryLabs
Estimate poly bag weight and order value from length, width, flap and thickness — in gauge, microns or millimetres.
Runs right here in your browser — nothing to install, no account needed.
Enter the bag's flat size, the flap and the film thickness.
Poly bag weight & value
Width, length plus flap and thickness give the weight per 1000 bags.
Bag size
Dimension unit
Thickness
Order
Result
Enter length, width and thickness to see the weight.
How the numbers are worked out
The trade formula works in inches and gauge and returns kilograms per 1000 bags; other units are converted first.
The flap adds to the length because it is cut from the same film run.
Microns and millimetres convert to gauge at 1 gauge = 0.254 micron.
Part of the BerryLabs workspace for Windows and macOS — Linux is on the way. One account, every platform.
Why the desktop app
Works offline
Once installed it keeps working without a connection — useful on a factory floor or in a warehouse.
Every tool in one window
PolyCalc sits alongside the rest of the One Tools set, a keystroke away while you work.
Carries into your workspace
Results drop straight into the BerryLabs modules you already use, instead of being retyped.
Free with your BerryLabs account
No credit card required
Same licence on every device
PolyCalc for Windows
Build not published yet
The Windows build isn't published yet — use the calculator above in the meantime.
Windows
Windows 10 or later · 64-bit
macOS
macOS 12 Monterey or later · Apple silicon & Intel
Linux
Ubuntu 22.04 or later · AppImage & .deb
Every One Tools utility ships with the BerryLabs workspace, next to the modules that run the rest of your business. Free plan, no credit card.
No credit card · Cancel anytime · Every tool included