Your estimates are even a bit low - we don't have a grid and drop employees in from above.
With each 8 s.f., there is additional overhead for hallways (minimum width prescribed by ADA in the United States), bathrooms, and other necessary fixtures. If you counted everything in an office, it's probably at least 25% higher than that.
With each 8 s.f., there is additional overhead for hallways (minimum width prescribed by ADA in the United States), bathrooms, and other necessary fixtures. If you counted everything in an office, it's probably at least 25% higher than that.