I have a handy dandy App for my IPhone called QuiltCalc by Robert Kaufman. It came up with: 1st border-1 1/3 yds (7 strips @ 6 1/2 inches), 2nd border- 1 yd (8 strips @ 4 1/2 inches), 3rd border - 1 5/8 yd (9 strips @ 6 1/2 inches). I hope this helps.