Calculate how much flooring material you need. Works for hardwood, laminate, vinyl, and carpet.
Step 1: Measure the room length and width. Area = Length x Width
Step 2: Add waste factor. Standard is 10% extra for straight installations. Use 15-20% for diagonal, herringbone, or complex layouts.
Step 3: Total flooring = Area x (1 + waste %)
For irregularly shaped rooms, break the floor into rectangles, calculate each area, and add them together.
5%: Simple rectangular rooms with few obstacles. Professional installation.
10%: Standard installation. Accounts for cuts at walls, doorways, and minor errors.
15%: Diagonal installation, rooms with alcoves, or first-time DIY installers.
20%: Herringbone or complex patterns, very irregular room shapes, or materials prone to defects.
Hardwood: Sold in bundles by sq ft. Typical plank widths: 3-1/4 in, 5 in, or 7 in. Order 10% extra.
Laminate: Sold in boxes covering 15-25 sq ft. Click-lock installation. Order 10% extra.
Vinyl plank: Sold in boxes covering 15-24 sq ft. Waterproof option for kitchens and bathrooms.
Carpet: Sold by the sq yard (1 sq yard = 9 sq ft). Standard roll width is 12 ft. Seam planning may require additional material.