Tile & Flooring Layout Calculator (Minimize Offcuts)

Q: "Why would I pick an option with a higher waste rate?"

"Because waste rate is not the only criterion. Visual symmetry or avoiding tiny, fragile cuts may matter more for your project."

Q: "What is the difference between centered and one-side flush?"

"Centered keeps edge cuts equal on both sides. One-side flush prioritizes full tiles at the start side and pushes cuts to the opposite side."

Q: "Is waste rate equal to real on-site discard?"

"Not always. If offcuts can be reused in other rows, actual discard may be lower than this estimate."

Q: "Why is field adjustment still necessary?"

"Cut-ins, wall irregularities, trim positions, and movement-joint requirements cannot be resolved fully by simple geometry alone."

Q: "Can I enter room dimensions in meters?"

"Yes. Enter dimensions in m or mm; calculations are normalized to mm internally."

Estimate edge-cut widths, required tile count, and waste rate from room and material dimensions.

Compare two or three options to balance low waste with visual symmetry.

Real projects still need field adjustment for cut-ins, uneven walls, movement joints, and trim conditions.

Compare layout options A/B/C

See edge cuts and minimum cut width

Share exact conditions by URL

How to use

Enter room dimensions (L/W), material dimensions (A/B), and joint width.
Choose direction (long-side orientation) and offset mode (centered or one-side flush).
Compare candidate cards by waste rate, minimum cut, and balance.
Review detailed numbers and the cut-position diagram for the selected option.
Copy the share URL to discuss the same layout conditions with site members or clients.

Samples

600x300 tile, 3 mm joint

Input: Room 5400x3600 mm, tile 600x300 mm, direction = long side along room length, offset = centered

Output: Compare count, waste rate, and minimum cut across options A/B/C, then inspect cut positions

1818x303 flooring, 0 joint

Input: Room 4550x2730 mm, material 1818x303 mm, offset = one-side flush (left-bottom origin)

Output: Check offcut location for flush layout and whether minimum-cut threshold is violated

Formulas

P_x = TileX + J, P_y = TileY + J
Flush: N = ceil((Room + J) / (Tile + J)), CutEnd = Room - (N - 1) * (Tile + J)
Centered: Cut = (Room - (N - 2) * Tile - (N - 1) * J) / 2
TotalTiles = N_x * N_y
WasteRate = (A_buy - A_used) / A_buy

FAQ

Why would I pick an option with a higher waste rate?

Because waste rate is not the only criterion. Visual symmetry or avoiding tiny, fragile cuts may matter more for your project.

What is the difference between centered and one-side flush?

Centered keeps edge cuts equal on both sides. One-side flush prioritizes full tiles at the start side and pushes cuts to the opposite side.

Is waste rate equal to real on-site discard?

Not always. If offcuts can be reused in other rows, actual discard may be lower than this estimate.

Why is field adjustment still necessary?

Cut-ins, wall irregularities, trim positions, and movement-joint requirements cannot be resolved fully by simple geometry alone.

Can I enter room dimensions in meters?

Yes. Enter dimensions in m or mm; calculations are normalized to mm internally.

Important notes

This tool is a rough layout estimator. Do not use it as final installation dimensions.
The waste rate is conservative and assumes no offcut reuse. Actual discard may be lower.
Confirm cut-ins, wall unevenness, trim positions, and movement joints on site.