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Thinset calculator
Estimate the number of thinset bags from the tile area, tile size, trowel, bag coverage, and waste.
Square footage
Tile size
Mosaic / up to 2 in.
Up to 8 x 8 in.
Up to 12 x 12 in.
12 x 24 in.
Larger than 12 x 24 in.
Trowel size
1/4 x 1/4 in. square notch
1/4 x 3/8 in. square notch
1/2 x 1/2 in. square notch
3/4 in. U-notch
Bag coverage (sq. ft.)
Use the coverage printed on your thinset bag when available.
Waste percentage
%