Example: Employees: 25 · Space standard: Standard (150 sq ft/person) · Common area factor: 15% → Rentable space needed: 4,400 sq ft.
Usable space: 3,750 sq ft
Per employee: 150 sq ft
Frequently asked questions
How do I calculate office space? Enter your numbers above and the result updates instantly. For example: Employees: 25 · Space standard: Standard (150 sq ft/person) · Common area factor: 15% → Rentable space needed: 4,400 sq ft.
Is this Office Space Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for office space. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.