Fitted Bottom Sheet
The finished measurements for fitted bottom sheets are: twin, 39-by-75 inches; extra-long twin, 39-by-80 inches; full or double, 54-by-75 inches; queen, 60-by-80 inches; and king, 76-by-80 inches. To the desired finished length for all sizes, add 2 inches. Cut to length.
For twin sizes, cut the fabric to 41 inches wide. For full size, cut two pieces each 28½ inches wide. For queen size, cut three pieces 21½ inches wide; for king, cut three pieces 26¾ inches wide.
If needed, sew pieces together to create the correct width. Zig-zag each edge individually to finish raw edges. Press open the seam or seams and topstitch through both thicknesses on either side of the seam(s).
Round off each corner to create a gentle curve. Turn under ½ inch twice on all sides and stitch down.
Cut a 6-inch length of ¼-inch elastic. Stretch to 9 inches and pin to each corner. Zig-zag through elastic and sheet.
Flat Top Sheet
The finished size for flat top sheets are twin, 66-by-96 inches; extra long twin, 66-by-102 inches; full, 81-by-96 inches; queen, 90-by-102 inches; and king, 108-by-102 inches.
To the desired finished length for all sizes, add 6 inches. Cut fabric.
Cut the width of sheets as follows: For twin, cut two pieces 35½ inches wide; for full, cut two pieces 43 inches wide; for queen, cut three pieces 32 inches wide; for king, cut three pieces 38 inches wide.
Piece strips together to create the appropriate width. Sew, press and topstitch as described for fitted sheets.
On each side and at the foot of the sheet, fold under 1 inch twice and stitch down. At the top, fold under 1 inch, then another 3 inches. Stitch across the bottom of the 3-inch hem.