Depending on the poly, the wood as well as the condition and the age of the wood, figure a minimum of 300 - 500 square feet per gallon. If the floor is very old or dry, it will be closer to the 300. If the wood is in good condition and reasonably new, 500 is a reasonable assumption. Also, with each coat you put on, the poly will last longer once a foundation coat is established.
600 sq ft
you will need 5 cans of paint.
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
It depends on the percent of solids. To simplify this, after all the liquid (solvent) part has evaporated, the pigment (solids) is what remains. One gallon of paint having 100% pigment (solids) or no solvent in it, will cover 1600 square feet at 1 mil thickness. If one gallon of paint has 50% pigment (solids) and 50% liquid (solvent), then one gallon of paint would have a net or dry film of 800 square feet.
21.135 gallons
An average gallon of latex house paint will cover 280 square feet
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.
He covered 115 square feet per gallon. - Way below the average, which is about 280 sf per gallon.
1"
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
2.81 gallons for every 1/100 of an inch thick. Most paints are applied at 4 mils wet, so they usually cover about 400 square foot per gallon. So you'd need about a gallon and a quart to cover 450 square feet.
For many paints, one gallon will cover 400 square feet. However, the quality of the paint can affect how much it will cover.
About 250 sq. ft.
21
600 sq ft
Depending on the placement and thickness of the shakes, anywhere from 150 to 300 square feet per gallon.
1 gallon per 400 square feet. However, this will depend on how rough the surface is and how different the current area to be covered is. If it's a smooth surface and you're painting a similar color, 1 gallon should cover 400 sq. feet. But if it's a rough surface or hard color to cover, then 200 sq. feet per gallon.