Patch Tool to create fabric from your scraps
Turn your scraps into made-to-measure blocks. Enter your block size and square size and we’ll tell you how many squares you need, plus the trimming allowance and block cut size.
Pieced Squares Block Calculator
Work out how many squares you need to piece a block. Includes ¼″ seam allowance on each square and shows trimming room plus block cut size.
Finished width after internal seams (inches)
Finished height after internal seams (inches)
Choose whether you’re entering the cut size or the finished (visible) size
Default ¼″ = 0.25
Squares across × down
Total squares
Each square — finished
Each square — cut
Produced block (finished)
Block cut size (add outer seams)
Trimming allowance
Trimming allowance is the extra amount beyond your requested block size after we round up to whole squares.
It lets you square up the edges neatly. Shown as produced size − block size (width × height).
Estimates are for planning purposes only and may vary based on final project details.
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