Material library
The selected fabric supplies its approved thickness automatically, so there is no manual lookup.
Roller shade productionRoll diameter
Roll diameter
calculator
Know the finished roll size before you build. Fabric thickness, tube selection, and chart breakpoints are handled automatically.
01
Shade details
Measurements round up to the next chart breakpoint. The finished diameter always rounds upward to the next ⅛″.
02
LiveFinished roll
Theoretical outside diameter3″
3″
2″
Recommended tube2″
Fabric length144″
Fabric thickness0.024″
From the approved material library
Chart lookup72″ × 132″
Next equal-or-higher breakpoint
Automatic production logic
Two decisions made for you, every time.
Tube selection
The width × height chart recommends a tube at the next equal-or-higher breakpoint.
D = √(d² + 4tL ÷ π)Current unrounded diameter: 2.8983″. Actual results may vary with compression, weave, coatings, and winding tension.