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Material Calculator
Estimate material quantities using coverage per piece
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Your inputs
Results
Area20 m²
Pieces to buy110
Material cost5,500 THB
For materials sold by coverage, such as wall or floor panels. Rounds up to whole pieces; excludes labor.
Formula and method
Pieces = round up(area × (1 + waste/100) ÷ coverage per piece). Cost = pieces × price per piece.
Worked example
For 20 m², 0.2 m² coverage per piece and 10% waste, buy 110 pieces. At THB 50 each, the material cost is THB 5,500.
Frequently asked question
Can I use the panel’s physical area as coverage?
Use net coverage from the manufacturer. Overlaps and joints may reduce usable coverage below the panel’s width times length.
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