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Floor Area Calculator

Calculate net floor area from room dimensions and subtract areas that will not receive flooring.

Inputs

Project inputs

Range: 1–300 ft

Measure the longest finished-floor dimension. For irregular rooms, split the space into rectangles and add their results.

Range: 1–300 ft

Measure between the finished floor boundaries.

Range: 0–5,000 ft2

Subtract hearths, cabinets, islands, or other areas that will not receive flooring. This is a measured area, not a waste allowance.

Result

Excluded area
0.00 ft2
Gross rectangular area
240.00 ft2
Net flooring area
240.00 ft2

How this is calculated

Gross rectangular area
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