Tile & Flooring Calculator

Estimate tile count, boxes, grout, mortar, and underlayment for tile, LVP, hardwood, laminate, and carpet. Adjustable waste factor for complex layouts.

Flooring Type

16 SF per box

Grout Joint Size

Waste Factor

Use 15–20% for diagonal layouts or rooms with many cuts.

Room Length (ft)

Room Width (ft)

How It Works

Area: Length × width + waste factor.
Boxes: Area with waste ÷ SF per box.
Mortar: Based on tile size and joint width.
Grout: Based on joint size and coverage area.
Underlayment: Required for LVP and laminate.

Waste Factor Guide

Layout	Waste
Simple rectangle	5–10%
L-shaped room	10–15%
Diagonal / herringbone	15–20%
Many cuts / niches	20%+

Field Tips

• Start layout from center of room — avoid narrow cuts at walls.
• Buy all tile from same dye lot — color varies batch to batch.
• Allow mortar to cure 24 hrs before grouting.
• Use unsanded grout for joints under ⅛", sanded for larger.
• LVP needs ¼" expansion gap at all walls.