Enter dimensions in the boxes, then click the “Show Prices” button.
Dimensions will be rounded to the nearest 1/8" (3 mm).
Find out how to properly measure and order your foam.
This trapezoid shape has a back that is parallel to its front. The left side and the right side are of unequal length, and neither side forms a right angle with the front or back. If your cushion more closely resembles one of the similar shapes below, please click on it to use that shape instead:
Right Trapezoid
Equilateral Trapezoid
Slanted Trapezoid
Parallelogram
Four-Sided Shape with no parallel sides
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