5'x5': About 25 square feet. Contents of a large closet.

5'x10': About 50 square feet. Contents of one bedroom or office room.

10'x10': About 100 square feet. Contents of a one bedroom apartment or office space.

10'x15': About 150 square feet. Contents of a 1 or 2 bedroom house.

10'x20': About 200 square feet. Contents of a 2 or 3 bedroom house.

10'x25': About 250 square feet. Contents of a 3 or 4 bedroom house.

10'x30': About 300 square feet. Contents of a 4 or 5 bedroom house.