Construction Cost Calculator Build-up Area (sq feet): Approx. Cost per sq feet: Calculate Component Breakdown Cement: 17% Sand: 14% Steel: 25% Others: (Paint: 5%) + (Tiles: 9%) + (Bricks: 6%) + (Window: 3%) + (Doors: 4%) + (Plumbing: 5%) + (Electrical: 7%) + (Sanitary: 5%)