# Tile Coverage Estimator Estimate how many tiles you need to cover a room, including layout-aware waste (straight, 45° diagonal, herringbone, basketweave), boxes to buy, grout volume and weight, and an optional cost total. Enter room and tile dimensions plus joint width to get a ready-to-order material list. > Canonical page: https://elysiatools.com/en/tools/tile-coverage-estimator - **Category:** Calculator - **Keywords:** tile calculator, tile coverage, tiling, floor tiles, wall tiles, grout calculator, ceramic tiles, porcelain, herringbone, diagonal tiling, material estimator, home renovation, interior design, building materials ## Overview A tiling material estimator for homeowners, tilers, interior designers and building-materials sales: 1. **Room & tile** — enter the room length/width and the tile length/width/thickness (square or rectangle tiles supported). 2. **Layout pattern** — pick straight (90°), diagonal (45°), herringbone or basketweave. Each carries a different default waste % (diagonal/herringbone waste more). 3. **Grout** — set joint width and depth; the tool computes the joint volume and the grout weight in kg (with 10% excess for waste/cleanup). 4. **Pricing (optional)** — enter tile price per m² and grout price per kg to get a cost estimate. 5. **Order list** — get tiles to order, boxes (if you provide tiles-per-box or tiles-per-m² pack spec), grout bags, and a total cost. Pure geometry — no external data. Results round up tiles/boxes so you order whole pieces. ## Inputs - **Layout pattern** (select) - **Tile shape** (select) - **Room length (m)** (number): e.g. 5 - **Room width (m)** (number): e.g. 4 - **Tile length (cm)** (number): e.g. 60 - **Tile width (cm)** (number): e.g. 60 - **Tile thickness (mm)** (number): e.g. 9 - **Grout joint width (mm)** (number): e.g. 3 - **Grout depth (mm)** (number): defaults to tile thickness - **Boxes come in** (select) - **Tiles per box** (number): e.g. 4 - **Tiles per m² (pack spec)** (number): e.g. 2.78 - **Tile price (per m²)** (number): optional, e.g. 25 - **Grout price (per kg)** (number): optional, e.g. 2.5 - **Custom waste %** (number): leave 0 for layout default - **Decimal places** (number): 2 ## When to use - Planning a home renovation or tiling project and needing to estimate the total number of tiles and boxes to purchase. - Calculating the exact weight of grout required based on tile thickness and joint width to avoid buying excess material. - Comparing material costs and waste percentages between different layout patterns like straight, diagonal, or herringbone. ## How it works - Enter the room length and width alongside the tile length, width, and thickness. - Select your layout pattern and tile shape to automatically apply standard waste percentages, or input a custom waste percentage. - Specify the grout joint width, depth, and optional box packaging details (tiles per box or per square meter). - Input optional pricing per square meter and per kilogram of grout to generate a total cost estimate and a rounded-up order list. ## Use cases - Estimating materials for a kitchen backsplash using rectangular tiles in a herringbone pattern. - Calculating floor tiles and grout weight for a large living room renovation with square tiles laid straight. - Preparing a cost and material quote for a client's bathroom tiling project using diagonal layout patterns. ## Frequently asked questions ### How does the estimator calculate layout waste? The tool applies default waste percentages based on the selected layout pattern, such as higher waste for diagonal or herringbone layouts, to account for edge cuts. ### Can I calculate grout requirements for rectangular tiles? Yes, the estimator uses the tile length, width, thickness, and joint dimensions to calculate the total joint volume and grout weight in kilograms. ### What packaging options are supported for box calculations? You can specify packaging either by entering the number of tiles per box or by entering the number of tiles per square meter. ### Does the tool round up the final material counts? Yes, the calculator rounds up tiles and boxes to the nearest whole number so you can order complete packages. ### Can I estimate the total cost of my tiling project? 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