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Home Material Calculator

Estimate tile, flooring or paint quantities with explicit units and waste.

Your inputs

Browser only

Changing units relabels the inputs; re-enter every dimension and coverage. Enter one rectangular surface. For paint, width means surface height; coverage is for one coat per container.

Changes stay in this open page. Nothing is sent to a server; reset or reload clears your entries.

Material calculator

Surface area20 m²
Required coverage incl. extra22 m²
Packs / boxes to buy10

Formula: length × width × coats (paint only) × (1 + extra %) ÷ coverage; round purchases up.

Use the manufacturer’s coverage for your substrate and product. One rectangle only; openings, grout, cut patterns and substrate preparation are not modeled. Quantity estimate only; no structural or installation advice.

Getting started

Choose a material, enter dimensions and coverage, then inspect quantities.

Before you use the result

Product coverage and site conditions vary; this is not structural advice.

Frequently asked questions

Estimate tile, flooring or paint quantities with explicit units and waste.

How do I use Home Material Calculator?

Choose a material, enter dimensions and coverage, then inspect quantities.

Does this tool upload my data?

Inputs and files are processed in your browser. Page-view analytics do not contain your tool input.

What should I check before using the result?

Product coverage and site conditions vary; this is not structural advice.

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