Toolnoza

CONSTRUCTION TOOL

Square Footage Calculator

Calculate rectangular area in square feet and square metres from length and width.

Square Footage Calculator

FREE ONLINE TOOL
Formula and assumptions

Area = length × width. 1 ft² = 0.09290304 m².

For rectangular measurements. Split irregular spaces into rectangles and add them. Confirm whether the project uses internal or external dimensions.

12 ft × 10 ft = 120 ft² (11.15 m²).

STEP BY STEP

How to use square footage calculator

  1. Check the input units and assumptions.
  2. Review the result and example.

IN PRACTICE

Example

12 ft × 10 ft = 120 ft² (11.15 m²).

GOOD TO KNOW

Which formula and assumptions are used?

For rectangular measurements. Split irregular spaces into rectangles and add them. Confirm whether the project uses internal or external dimensions.

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