Room and House Plan Area Calculator
Calculate room and repeated-room floor area in square metres and square feet.
Last updated: 2026-10-26
Free Online Room and House Plan Area Calculator
Use this free online room and house plan area calculator tool directly in your browser without installing software. Fast, mobile friendly and easy to use.
Room and House Plan Area Calculator
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About This Tool
About Room and House Plan Area Calculator
Calculate room and repeated-room floor area in square metres and square feet. Results are estimates based on the values you enter; check assumptions and units before using them for a real project.
How to use it
- Enter the requested values in the displayed units.
- Choose Calculate and review the result.
Frequently Asked Questions
Is this tool free?
Yes. It runs locally in your browser.
Is this a professional engineering design?
No. Calculations are preliminary estimates and do not replace applicable codes or review by a qualified professional.
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