How much tile and grout do I need?

Pick the tile size and grout joint width. Get the tile count and bags of grout.

Room length (ft)Room width (ft)Tile size (in)Grout jointLayout

Tiles to buy

44 tiles

Grout (25 lb bags)1 bag

Tile with waste88 sq ft

Estimated material cost

Tile with waste

88 x $$3.00 per sq ft

$264

Grout

1 x $$25.00 per 25 lb bag

$25.00

Estimated total$289

Typical store prices before tax and delivery. Change any price to match your store.

How to measure

Measure the floor's length and width. Choose your tile size and the grout joint width printed on the spacers you plan to use.

Tips from the field

Grout is figured for 3/8 inch thick tile. Thicker tile or wider joints use more.
Large tiles need a flat floor. Check for dips with a long straightedge before you start.

What you'll need

Floor tileThinset mortarGroutTile spacers and leveling clips

Common questions

How much extra tile should I buy?

Add 10% for straight layouts and 15% for diagonal or herringbone patterns. Large tile may need more because each broken tile costs more area.

How much grout do I need?

Small joints and large tiles use very little. Narrow joints with small tiles use much more. One 25 lb bag covers a lot for most floors.

What grout joint should I use?

1/16 to 1/8 inch for rectified tiles, and 3/16 to 1/4 inch for tiles with uneven edges.

Add this calculator to your websiteFree

Contractors, bloggers, and real estate agents can put this calculator on their own site for free. Copy the code below and paste it into any page.

<iframe id="hc-tile-calculator" src="https://housecalcs.com/embed/tile-calculator" title="Tile and grout calculator" width="100%" height="640" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="font:14px sans-serif">Free <a href="https://housecalcs.com/tools/tile-calculator">tile and grout calculator</a> from HouseCalcs</p>
<script>window.addEventListener("message",function(e){if(e.origin==="https://housecalcs.com"&&e.data&&e.data.hcSlug==="tile-calculator"){var f=document.getElementById("hc-tile-calculator");if(f)f.style.height=e.data.hcHeight+"px"}});</script>

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