The Sailrite Fabric Calculator

Folded Over (Quick and Easy) Foam Cushions

Unit of Measurement inches mm
A. Finished Width (?)
Width of finished cushion. Foam should be oversized -- 1% (1/2 inch (13 mm) minimum) larger than the finished size on length and width.
Decimals!
B. Finished Length (?)
Length of the finished cushion. Cut foam oversized -- 1% (1/2 inch (13 mm) minimum) larger than the finished cushion on width and length.
Decimals!
C. Thickness (?)
Thickness of cushion foam.
Decimals!
Quantity (?)
Total number of cushions needed with these dimensions.
Integer!
Fabric Width (?)
Actual width of fabric (often 46, 54, or 60 inches -- 1168, 1372, and 1524 mm)
Numbers!
Cushion Style: (?)
Fabric Bottom = fabric is used as the underside of the cushion.
Platform = a backer board is used as the underside of the cushion, the edge boxing is stapled to this backer board.
Fabric Bottom Platform
Orientation--Cushion length on fabric: (?)
Use this to position the cushion lengthwise or widthwise on the fabric. Often used to orient a pattern, like stripes, a certain direction on the fabric or to keep from seaming sections of fabric together for an extra-long length of cushion.
Length Width
Key Dimensions: The top plate (with facing) will be {{data.widthFinal}} {{data.UofM}} wide and {{data.lengthFinal}} {{data.UofM}} long. {{data.numOfPlates}} {{data.plates}}.
Cut corner notches {{data.cornerNotch}} {{data.UofM}} deep.
Foam width = {{data.foamWidth}} {{data.UofM}}.
Foam length = {{data.foamLength}} {{data.UofM}} .
Seam allowances = {{data.edgeAllowance}} {{data.UofM}} .
Bottom plate or platform = {{data.width}} x {{data.length}} {{data.UofM}} .
Centering margin = {{data.centering}} {{data.UofM}} -- separation offset = {{data.horizontalSeparation}}.

Boxing width = {{data.boxingWidth}} {{data.UofM}} -- minimum length = {{data.boxingLength}}. Plaque width = {{data.plaque}} {{data.UofM}} -- minimum length = {{data.plaqueLength}}.

List of Materials: Decor & Upholstery Fabric required for top plate = {{data.rollLength}} {{data.UofM}} or {{data.yards}} yards.
Cushion Underlining required for bottom plate = {{data.width}} x {{data.length}} {{data.UofM}} (or a platform to these dimensions).
Foam = {{data.foamWidth}} {{data.UofM}} x {{data.foamLength}} {{data.UofM}}
Seamstick 1/4" Basting Tape for Canvas and Upholstery (Item #104167) {{data.seamStick}} roll.
V-46 or V-69 Thread from Sailrite.
Continuous Zipper Chain #5 for installation on bottom fabric plate (not needed if platform is used) (Item #28218 or #100029)
Zipper Slider #5 Plastic Single Pull for installation on bottom fabric plate (not needed if platform is used) (Item #103178 or #103179)

Canvas not supported
Canvas not supported