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Home improvement calculators estimate materials needed for renovation and construction projects — from flooring and wallpaper to fencing and decking. They minimise waste while ensuring you buy enough.
Hướng dẫn từng bước
- 1Flooring: room area ÷ (1 − waste %) = material to buy
- 2Wallpaper: wall area ÷ (usable area per roll) rounded up
- 3Fence: perimeter ÷ post spacing + 1 = posts needed
Ví dụ có lời giải
đầu vào
12 ft × 15 ft room · 7% waste · 20 sq ft/box flooring
Kết quả
180 sq ft area → 193.5 sq ft needed → 10 boxes
Always add 10% for cuts; 15% for diagonal patterns