To find the number of squares of siding needed for an installation, measure each walls width and height in feet. Multiply the width and height to get the area of the wall in square feet. Divide the square footage by 100 to get the number of squares needed for the wall.Click to see full answer. Accordingly, how do I calculate how much siding I need?Start by measuring the height and width of each wall of the building. Multiply each length and height measurement to find the square footage of each wall, then add them together to find the total square footage. Divide the total by 100 to find the number of squares of vinyl siding to order.Also Know, how wide is aluminum siding? Siding dimensions chart Width (W) Thickness in cm in 48 121.9 0.625 Aluminum siding 36 91.4 0.0165 Keeping this in view, how much does it cost to side a 2000 sq ft house? House siding costs $4,300 to $15,800 on average, or between $3 to $11 per square foot depending on the home’s size and materials used. The cost to reside a 2,000-square-foot home with vinyl is $7,100 on average. The cost to replace siding adds $1,000 to $3,000 for removing the old siding.How many square feet is a 24×24 garage?24×24 2-Car Garage — #24X24G1E — 576 sq ft – Excellent Floor Plans | Garage dimensions, 2 car garage plans, Garage plans.