Fabric Calculator

Slatted Roman Shades

Slatted Roman Shade Illustration
Unit of Measurement
A. Width (?)
The finished shade width. Include molding in width for external mounting. 3-inch (77.2 mm) is automatically added to facing material for edge finishing. 2-inch (50.8 mm) is added to the lining fabric.
B. Height (?)
The finished shade height. Not including top and bottom hems.
Fabric Width (?)
Actual width of fabric (often 46, 54, or 60 inches -- 1168, 1372, and 1524 mm)
Width of slat battens (?)
The width of the battens that will be inserted in each slat pocket. Usually between .75 to 4 inches (8 to 100 mm).
Quantity  (?)
Total number of shades with these dimensions.
Vertical Repeat (?)
The vertical repeat of a patterned fabric. Needed if quantity is greater than one or curtain width exceeds fabric width. Decimals are permitted.
Desired Rough Height of Folded Stack (?)
A rough indication of the desired depth of the top-most fold in the shade--the "valance". The actual depth of this fold as well as the total stack height of the retracted shade will vary due to rounding and depending upon battens and hardware used. The calculated default is our recommendation (we think that it will result in the best looking shade -- the best balance between height and fold depth) but it can be modified if desired.

Click here for the Slatted Roman Shade Fabrication eBook