Flooring Calculator
Calculate flooring materials for hardwood, laminate, vinyl, and more
Enter Your Room Details
Quick Answer
To calculate flooring: Room sq ft × 1.10 (for waste) ÷ Sq ft per box = Boxes needed. A 180 sq ft room with 20 sq ft boxes needs 10 boxes.
Whether you're installing hardwood, laminate, vinyl plank, or engineered flooring, this calculator helps you determine exactly how many boxes to purchase. It accounts for waste factor and includes underlayment estimates.


Dr. Snezana Lawrence
Mathematical Historian
15+ years experience
PhD from Yale University. Published mathematical historian ensuring precision in all calculations.
Education
PhD in Mathematical History - Yale University
Flooring Coverage by Type
| Type | Sq Ft/Box | Waste Factor |
|---|---|---|
| Solid Hardwood | 20 | 10% |
| Laminate | 24 | 10% |
| Vinyl Plank (LVP) | 20 | 10% |
| Vinyl Sheet | 36 | 5% |
| Engineered Hardwood | 22 | 10% |
| Bamboo | 21 | 10% |
Flooring Cost Comparison
| Type | Material/Sq Ft | Install/Sq Ft |
|---|---|---|
| Laminate | $1-5 | $2-4 |
| Vinyl Plank (LVP) | $2-7 | $2-5 |
| Engineered Hardwood | $4-10 | $3-8 |
| Solid Hardwood | $6-15 | $4-10 |
| Bamboo | $3-8 | $3-6 |
Installation Tips
- • Acclimate flooring in room for 48-72 hours before installation
- • Leave 1/4" expansion gap around all walls and fixed objects
- • Stagger end joints by at least 6-8 inches
- • Install underlayment per manufacturer specifications
- • Check subfloor for moisture - max 3% for wood, 75% RH for concrete
- • Start from longest, most visible wall
- • Mix planks from different boxes for natural color variation
- • Use pull bar and tapping block to avoid damage
Frequently Asked Questions
How much flooring do I need?
Measure room length × width to get square footage, then add 10% for waste. A 12×15 room = 180 sq ft + 10% = 198 sq ft needed.
How many boxes of flooring for 500 sq ft?
For 500 sq ft + 10% waste = 550 sq ft. If boxes cover 20 sq ft each: 550 ÷ 20 = 28 boxes (rounded up).
Do I need underlayment?
Yes for most flooring. Laminate and vinyl plank need underlayment for moisture, sound, and cushion. Some products have attached underlayment.
How much extra flooring should I buy?
Add 10% for standard rooms, 15% for diagonal patterns or rooms with many cuts. Keep extras for future repairs.

Dr. Snezana Lawrence
Mathematical Historian | PhD from Yale
Dr. Lawrence is a published mathematical historian with a PhD from Yale University. She ensures mathematical precision and accuracy in all our calculations, conversions, and academic score calculators. Her expertise spans computational mathematics and educational assessment.
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