MeasureSquare Carpet Calculator is a toolbox of flooring calculators for carpet, tile, wood, paint, wall paper or any products that apply to floor, wall and ceiling. It is designed for homeowners, DIYers, or office users. It allows to draw rectangle or L-shape rooms and calculates product usages based on real installation layout standards, for example, carpet seam layout and cuts from a carpet roll, centered tile layout (instead of just a net area calculation).