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Flooring Calculator

optional

Result

Area (m²)24
Area including wastage (m²)26.4
Estimated material cost0
↗ Construction

Flooring Calculator — free online calculator.

Formula

Area = Length × Width; With wastage = Area × (1 + Wastage/100); Cost = Area with wastage × Price per m²
  • Flooring Calculator calculates its result from Room Length, Room Width, Wastage, Price per m² (optional). It uses the formula Area = Length × Width; With wastage = Area × (1 + Wastage/100); Cost = Area with wastage × Price per m². Change any input to recalculate the result instantly.
  • The main inputs are Room Length, Room Width, Wastage, Price per m². Enter them in the units and format shown in the calculator.
  • Keep measurements and project assumptions consistent before comparing or combining values.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Flooring

Inputs
  • Room Length: 6
  • Room Width: 4
  • Wastage: 10
  • Price per m²: 0 optional

For a 6 m by 4 m floor with 10% wastage: area = 24 m² and material allowance = 26.4 m². At 0 currency units/m², estimated material cost = 0; at 15 units/m², cost = 396.

Sample result: Calculating…

Frequently asked questions

What does the Flooring calculate?

Flooring Calculator — free online calculator.

Which values should I enter?

Enter Room Length, Room Width, Wastage, Price per m² using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Area = Length × Width; With wastage = Area × (1 + Wastage/100); Cost = Area with wastage × Price per m².

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 10, 2026