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Square Footage Estimator from Walkthrough

Estimate total building sqft by counting rooms and applying standard size defaults

Enter the count and average size for each room type:

Standard private office ~120 sqft. Open workstations ~80 sqft each.
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Average commercial restroom ~80 sqft. Large multi-stall ~200 sqft.
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Typical break room/kitchenette ~200 sqft.
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Main lobby ~300 sqft. Small vestibule ~100 sqft.
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Average hallway section ~150 sqft. Long corridors may be 300+.
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Small conf room ~150 sqft. Large boardroom ~400 sqft.
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Estimate Results

Total Estimated Sqft-
Est. Monthly Cleaning Cost-
Cost Range (low-high)-
Reference: Default room sizes based on industry averages. Office 120 sqft, restroom 80 sqft, breakroom 200 sqft, lobby 300 sqft, hallway 150 sqft, conference 250 sqft. Monthly cost range: $0.08-$0.25/sqft.