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Calculations for Paint Quantity Calculator
Let’s understand with the help of an example, how to use the above Paint quantity calculator.
Assumptions For Example
- Perimeter of Internal wall length Wise = 20 m = l
- Perimeter of External wall length Wise = 30 m = b
- Height of wall = 5 m = h
- Carpet Area = 20 m2 = A
- Window (Length, Width, Quantity) = (2 m , 2 m , 1)
- Door (Length, Width, Quantity) = (3 m , 2 m , 1)
- Putty consumption for 2 coat = 1.3 m2/Kg
- Primer consumption for 1 coat = 9 m2/L
- Paint consumption for 2 coat = 6.5 m2/L
Calculation Procedure
- Step 1: Calculation of Surface Area to be Painted
Surface Area=(((l +b) x h)+A -(Area of window +Area of Door))
= ((20+30)x5 + 20 – (2x2x1) – (3x2x1)) = 260 m2 - Step 2: Calculation of Amount of Putty
Amount of Putty for 2 coat = Surface Area / 1.3
= 260 / 1.3
= 177 Kg - Step 3: Calculation of Amount of Primer
Amount of Primer for 1 coat = Surface Area / 9
= 260 / 9
= 25.55 L - Step 4: Calculation of Amount of Paint
Amount of Paint for 2 coat = Surface Area / 6.5
= 260 / 6.5
= 40 L
Final Result
Surface Area to be Painted = 230 m2
Amount of Putty = 177 Kg
Amount of Primer = 25.55 L
Amount of Paint = 36 L
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