เครื่องคำนวณพื้น – วัสดุที่ต้องการ

วิธีใช้เครื่องคิดเลขนี้

1. ป้อนRoom Length (ft)
2. ป้อนRoom Width (ft)
3. ป้อนWaste Factor (%)
4. คลิกปุ่มคำนวณ
5. อ่านผลลัพธ์ที่แสดงด้านล่างเครื่องคิดเลข

How to Calculate Flooring

Calculating flooring is straightforward: measure room length × width to get square footage. Then add a waste factor (typically 5–15%) to account for cuts, mistakes, and pattern matching.

For simple rectangular rooms: Area = Length × Width. For L-shaped rooms: divide into rectangles and sum them. Add 10% waste for standard flooring, 15% for diagonal installation, and up to 20% for complex patterns.

Waste Factor Guide by Material

Hardwood (straight lay): 7–10%. Hardwood (diagonal): 12–15%. Tile (grid pattern): 10%. Tile (diagonal): 15%. Vinyl planks: 5–10%. Carpet: 10–15% (add for seams). Laminate: 10%.

Always buy slightly more than calculated — flooring batches vary in color, and matching replacement material later can be difficult.

Cost Estimation for Flooring

Average flooring costs per square foot (installed, US market): Carpet: $3–$8. Vinyl/LVP: $3–$7. Laminate: $3–$8. Hardwood: $8–$15. Tile: $5–$15. Natural stone: $15–$30.

Labor costs add $2–$5/sq ft for most materials. Total project cost = (material cost × sq ft with waste) + (labor cost × sq ft). Get at least 3 quotes from local contractors.