Calculator Hub

Reviewed against methodology · Last updated: July 13, 2026

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Each 12×24 inch tile covers 2 sq ft. For 100 sq ft you need 55 tiles with 10% straight-lay waste (50 tiles before waste). Enter your floor area below; waste and box count update live.

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Frequently asked questions

How many 12×24 tiles to cover 100 sq ft?
Each 12×24 tile covers 2 sq ft. For 100 sq ft with 10% straight-lay waste: 100 ÷ 2 × 1.10 = 55 tiles. Round up to full boxes from your product label.
How many 12×24 tiles for 150 sq ft?
150 sq ft ÷ 2 sq ft per tile = 75 tiles before waste. With 10% waste: 83 tiles. Enter 150 in the area field above for live box counts.
How many 12×24 tiles for 200 sq ft?
200 sq ft needs 100 tiles before waste. With 10% waste: 110 tiles. Herringbone or diagonal layouts may need 15% waste instead.
How many 12×24 tiles for 300 sq ft?
300 sq ft ÷ 2 = 150 tiles before waste. With 10% waste: 165 tiles. Large floors often ship by the box — round up using tiles per box on the label.
How many 12×24 tiles per square foot?
Each 12×24 tile covers 2 sq ft (12 × 24 ÷ 144). You need half as many tiles as square feet before waste, always add 10% for cuts and breakage.
How much tile waste should I add?
Straight layouts: 10% extra. Diagonal, herringbone, or lots of cuts: 15%. Our pattern toggle applies the right factor automatically.
How do I calculate tiles for a 12×12 floor?
Each 12×12 tile covers 1 ft². Divide your area by tile size, multiply by (1 + waste), round up. Example: 100 ft² straight lay → 110 tiles at 10% waste.