How it works
Use your room’s inside dimensions. Waste allowance matters for cuts and laying pattern. Labour, trims and underlay are not included.
FormulaOrder area = length × width × (1 + waste%); material cost = order area × unit price.
HOME & ENERGY / DIY MATERIALS
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Calculate how many square metres of flooring to order and what it may cost.
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YOUR RESULT
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Flooring cost: a worked example
With room length (m) 5, room width (m) 4, waste allowance (%) 10, price per m² 22, the estimated material cost is $484.00.
| Room length (m) | 5 |
|---|---|
| Room width (m) | 4 |
| Waste allowance (%) | 10 |
| Price per m² | 22 |
| Estimated material cost | $484.00 |
|---|---|
| Room area | 20 m² |
| Flooring to order | 22 m² |
| Waste allowance | 2 m² |
Amounts are shown in US dollars for illustration. Choose your own currency in the calculator above; it labels amounts and does not convert them.
Make the numbers useful
Try changing one input at a time. The live result helps you see which assumption has the greatest effect.
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Modelled results are estimates. Independently check decisions involving health, finances or safety.
Frequently asked questions
How is the flooring cost calculated?
Order area = length × width × (1 + waste%); material cost = order area × unit price. Use your room’s inside dimensions. Waste allowance matters for cuts and laying pattern. Labour, trims and underlay are not included.
What does the flooring cost example show?
With room length (m) 5, room width (m) 4, waste allowance (%) 10, price per m² 22, the estimated material cost is $484.00. Room area: 20 m²; Flooring to order: 22 m²; Waste allowance: 2 m².
What assumptions and limits apply?
This is an estimate based on the inputs and assumptions shown on this page, not professional advice. Check anything with financial, health or safety consequences independently.
Is my data private?
Yes. Calculations run in your browser and your numbers are not sent to a server. A share link contains the inputs you choose to share, so check it before sending it to anyone.
Can I use my own currency?
Yes. Pick from 33 currencies and the amounts are labelled to match. The selector does not convert between currencies, so enter prices in your own currency.