Flooring calculator
Estimate floor area, material with waste margin, and number of packs when you know coverage per pack.
Room length (m)
Room width (m)
Waste allowance (%)
Coverage per pack (m², optional)
Result
Floor area: 20 m²
Material with waste: 21.6 m²
Packs needed: 9
How to use
1. Enter room length and width.
2. Set waste percentage.
3. Optionally enter m² per pack.
4. Read total material and pack count.
Example
Flooring calculator
Estimate floor area, material with waste margin, and number of packs when you know coverage per pack.
When to use
• When you need a quick estimate without spreadsheets.
• When you want privacy — calculations stay on your device.
Limitations
• When you need certified engineering or legal calculations.
• When site-specific conditions require a professional survey.
About this calculator
Estimate floor area, material with waste margin, and number of packs when you know coverage per pack.
Frequently asked questions
Is my data uploaded?
No. All math runs locally in your browser.
Is this tool free?
Yes. No account or subscription required.