
Initializing BerryLabs

Initializing BerryLabs
Build a garment's sewing operations and total the thread each one consumes — by ISO stitch class, seam length and stitch density.
Runs right here in your browser — nothing to install, no account needed.

Add one row per sewing operation, then split each seam's thread across needle, bobbin and looper.
Sewing thread consumption
One row per operation. Shares split each seam's thread across needle, bobbin and looper.
Thread split
0% allocatedResult
Total thread consumption
0m
Set a needle, bobbin or looper share above to see the per-ticket breakdown.
1 operation
How the numbers are worked out
Every ISO 4915 stitch class consumes a known multiple of the seam it sews, quoted at a reference stitch density.
Running tighter than that reference density scales consumption proportionally — 12 SPI on a 10 SPI class uses 20% more thread.
The breakdown groups by ticket size and position, so you can see which cone each metre comes off.
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
SewCalc 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
SewCalc 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