interior on primed walls, about 300 ft^2
exterior, about 200~250 ft^2 depending on the product
An average gallon of latex house paint will cover 280 square feet
you will need 5 cans of paint.
If your drum is a 55 gallon drum and your paint can cover 400 square feet per gallon then you may cover (one coat only) a square almost 150 by 150 feet.
About 250 sq. ft.
Approximately 250 sq. feet
A gallon of paint one coat will cover about 300 square feet; if surface is very smooth about 400 sq ft,and if very rough maybe 150-200 sq feet
1 gallon of paint to cover about 350 square feet You need slightly more than a gallon if the walls are unpainted drywall, which absorbs more of the paint
For many paints, one gallon will cover 400 square feet. However, the quality of the paint can affect how much it will cover.
Anywhere from 300-500 square feet depending on the thickness/thinness of the paint, how many coats you're putting on from a single can, and how large the surface is you're painting. However, 300-500 square feet is an approximate average of how much a gallon of paint should cover.
(6-ft x 172-ft) / (200 square feet per gallon) = 5.16 gallons
The coverage depends on the porosity and preparation of the surface being painted as well as the coverage of the paint. Look for details on the can of paint.
The standard coverage for a gallon of interior paint, applied in a single coat, over a sealed or primed wall in good condition is approximately 400 square feet. Under similar circumstances a half gallon should cover approximately 200 square feet.