tilegroutcalc

TEC grout calculator

100 ft² of 12 × 12 in tile, 5/16 in thick, 1/8 in joint

  • Power Grout 1× 25 lb bag 5.7 lb · 437 ft² each · chart

Your numbers

Section through a 1/8 in joint between 5/16 in tiles 1/8 in joint 5/16 in 12 × 12 in tile Thinset bed on the floor

TEC coverage chart

Power Grout: ft² per 25 lb bag. Joint width across, tile down.
Tile1/161/81/43/81/2
4 × 4 in1/2 in thick17991473325
4 × 8 in1/2 in thick250122624233
6 × 6 in1/2 in thick278137684836
8 × 8 in5/16 in thick6252921469773
8 × 8 in1/2 in thick357182916146
10 × 10 in5/16 in thick72536418212291
12 × 12 in5/16 in thick875437219146109
16 × 16 in5/16 in thick1,163547273182137
18 × 18 in5/16 in thick1,275625312208156
24 × 24 in5/16 in thick2,500874437292219
1 × 1 in1/4 in thick9351
2 × 2 in1/4 in thick17996

Scroll sideways for every joint. Computed cells are set in italics.

Only the tile sizes and joints on Power Grout's published chart are shown.

Other brands

Sources

Figures built September 2026.

Where these numbers come from (2)
  • Grout waste: LATICRETE, “SpectraLOCK PRO Grout Installation & Maintenance Guide, TDS 400 PRO”, R 9 October 2009, retrieved from https://cdn-global.laticrete.com/-/media/project/laticrete-international/shared/files/support-and-downloads/technical-datasheets/tds400-pro.ashx?la=en on 2026-09-24. Chart values are restated as numbers; no text or table is reproduced.
  • Coverage: H.B. Fuller Construction Products, “TEC® Power Grout® Product Data”, DS550 R0317-20, retrieved from https://pdf.lowes.com/installationguides/082093558101_install.pdf on 2026-09-24. Chart values are restated as numbers; no text or table is reproduced.

Quantities are estimates for buying materials. Actual use depends on tile variation, joint depth and installation; manufacturers publish their coverage figures for estimating only.