The amount of paint required to cover a wall depends on several factors, including the size of the wall, the texture of the surface, and the type of paint being used. However, a quart of paint (which is equivalent to 32 fluid ounces or approximately 0.95 liters) is generally not sufficient to paint an entire wall.
A quart of paint typically covers an area of about 100 to 120 square feet (9 to 11 square meters) with one coat, assuming average conditions. This estimate may vary based on the porosity of the surface and the specific paint product being used.
If you're planning to paint a wall, it's a good idea to measure the wall's dimensions to estimate the total area to be painted. This will help you determine the amount of paint you'll need. Paint manufacturers usually provide coverage information on their product labels or websites, indicating how much area can be covered with a certain quantity of paint.
To be on the safe side and ensure complete coverage, it's generally recommended to purchase more paint than you think you'll need. This allows for multiple coats and touch-ups if necessary.