Painting is one of
the most essential steps to be done after construction of any building/house.
Painting is done to protect the surface of the walls as well as to increase
appearance.
In this article, I
will discuss how to calculate the quantity of paint required in a building.
Before starting the
calculation let me tell you one important thing that quantity of paint is
calculated in gallon.
There are two types
of gallons
US gallon and Uk
gallon.
1 US gallon = 3.785
litres
1 Uk gallon =
4.546 litres.
In this calculation
we will use US gallon.
Let the length of
the wall = 15 feet
The height of the
wall = 12 feet.
Area of the wall 15
x 12 = 180 sft.
THUMB RULE FOR PAINT CALCULATION:
Generally, 1 gallon
of paint can cover up to 350 sft area of wet wall and
1 gallon of paint
can cover up to 200 sft area of dry wall.
PAINT QUANTITY OF WET WALL:
Area of wet
wall =180 sft
Paint covered area
= 300 sft
Quantity of paint =
180/350 = 0.514 litre.
Let the price of 1
gallon paint = Rs 1200.
Price of 0.514
gallon paint = 0.514 x 1200 = 617 Rs.
PAINT QUANTITY OF DRY WALL:
Area of dry wall =
180 sft.
Pain covered area =
200
Quantity of paint =
180/200 =0.9 gallon.
Price of 0.9 gallon
paint = 0.9 x 1200 = 1080 Rs.
Note:
1. If the wall has
any openings, subtract the area of openings from total area & then
calculate paint quantity.
