How to calculate paint quantity in litres | how to calculate paint quantity in litres for Ceiling Wall & Room | how to calculate paint quantity for wall.
Paint is available in many types any pigmented liquid, plastic, emulsion, cement paint, texture paint, liquefiable, or solid mastic composition that, after application to a substrate in a thin layer, converts to a solid film.
It is most commonly used to protect, color, or provide texture to interior and exterior wall. Paint can be made or purchased in many colors—and in many different types, such as watercolor or synthetic. Paint is typically stored, sold, and applied as a liquid, but most types dry into a solid.
Interior or exterior Paint is sold in various container sizes. The most common and standard sizes are- 1 litre, 2.5 litres, 5 litres, 10 litres, 15 litres, and 20 litres. Some paint manufactures package paints in 500 ml (half a litre), 3 litres, 7.5 litres, 15 litres.
On average, paint spreading rate is 11 square meters per coat per litre used for interior ceiling and wall painting.
How to calculate paint quantity for ceiling of the room
To calculate the required paint quantity for ceiling of house, simply measure the length and width of the floor area of the room, divide the total area by spreading rate 11m2 per litre, and multiply the two measurements, then you get total required quantity of paint in litres for 2 coats.
For example: if the room is 4 metres wide, and 6 metres long, 4 x 6 = 24 square metres. 24m2 divided by 11 = 2.18 litres, 2 coats will be required, so you will need enough 2.18×2 = 4.36 litres of paint to cover 48 square metres in total.
The amount of paint required for ceiling are:
1) Surface area: 24 square metres.
2) Divided by. Spreading rate: 11 square metres per litre.
3) Multiplied by. Number of coats: 2 coats.
4) Equals. 24/11 x 2 = 4.36 litres.
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How to calculate paint quantity for wall of the room
To calculate the required paint quantity for wall of room, simply measure the length and height of the wall, and multiply the two measurements. Divide the total area of wall by spreading rate 11m2 per litre, and multiply the two measurements, then you get total required quantity of paint in litres for 2 coats.
For example: if the wall is 4 metres length, and 2.5 metres height, 4 x 2.5 = 10 square metres. 10m2 divided by 11 = 0.90 litres, 2 coats will be required, so you will need enough 0.90× 2 = 1.8 litres of paint to cover 20 square metres in total.
The amount of paint required for wall are:
1) Surface area: 10 square metres.
2) Divided by. Spreading rate: 11 square metres per litre.
3) Multiplied by. Number of coats: 2 coats.
4) Equals. 10/11 x 2 = 1.8 litres.
How to calculate paint quantity for room
To calculate paint quantity for room, simply measure the length of all 4 walls of the room, and add them together. Then, measure the height of the room, and multiply height and total length of the walls to get total surface area of room. Add ceiling area. Subtract your opening area windows and door from total, this will give total painting area. Divide the total area of room by spreading rate 11m2 per litre, and multiply the two measurements, then you get total required quantity of paint in litres for 2 coats.
For example: if the room is 4 metres wide, and 5 metres long the total measurement of wall of room will be 18 metres. Multiply this by the height of the room, say 2.5 metres, 18 x 2.5 = 45 square metres. Add ceiling area 4 × 5 = 20m2, 20 + 45 = 65m2, subtract window area = 1m2, door area = 2m3, then total painting area = 65 – (1+2) = 62 square meters. 2 coats will be required, so you will need enough 11 litres of paint to cover 124 square metres.
Q1) How much paint is required to paint a 4m x 3m room
The amount of paint required for 4m x 3m room are:
1) Says height of room = 2.5 meters
2) Total length of wall = 4+4+3+3 = 14 metres
3) Walls surface area = 14 × 2.5 = 35m2
4) Celing area = 4×5 = 20m2
5) Total surface area of room = 35 + 20= 55m2
6) Suppose total opening = 3m2
7) Subtract opening area = 55 – 3 = 52m2
8) Total painting area for 2 coats = 52 × 2 = 104m2
9) Divided by. Spreading rate: 11 square metres per litre.
10) Required paint = 104/ 11 = 9.45 litres
You will need approximately 9.45 litres of the paint for 4m x 3m room to cover 104 square meters area for 2 coats.
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Conclusion:
To calculate the required paint quantity for wall of room, simply measure the length and height of the wall, and multiply the two measurements. Divide the total area of wall by spreading rate 11m2 per litre, and multiply the two measurements, then you get total required quantity of paint in litres for 2 coats.
