Use this construction calculation for preliminary quantity, geometry, material, load, or coverage planning when dimensions and units have been measured consistently.

Surface length (mm)

Required number input.

Surface width (mm)

Required number input.

Tile length (mm)

Required number input.

Tile width (mm)

Required number input.

Grout joint (mm)

Required number input.

Count whole rectangular tiles for a rectangular surface using tile size and uniform grout-joint width; no staggering or cut reuse. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Whole tile positions

The resulting whole tile positions returned as an integer.

• Masonry estimates depend on actual unit dimensions, joint thickness, bond pattern, openings, reinforcement, grout lifts, waste, and local construction practice. Structural and fire-resistance requirements need project-specific detailing.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Verify dimensions on site, use current product data and local code requirements, include an explicit waste or safety allowance where appropriate, and obtain qualified structural, electrical, plumbing, or geotechnical review when required.

• Tile Grout Volume

  Approximate grout volume for a rectangular tile grid from its surface area, tile dimensions, joint width, and joint depth.

• Drywall Patch Area

  Rectangular drywall patch area from cut opening width and height, excluding lap or backing material.

• Tile Masonry Grout Volume

  Calculate tile-masonry grout volume from count of grout-filled cells and measured void volume per cell.