Free Cuboid Calculator - Calculates the volume, surface area, diagonals, and space diagonal for a cuboid
Free Heptagon Calculator - Solves for side length, perimeter, and area of a heptagon.
Free Kites Calculator - This calculates perimeter and/or area of a kite given certain inputs such as short and long side, short and long diagonal, or angle between short and long side
Free Pixels Per Inch PPI Calculator - This calculator determines the PPI from width, height, and diagonal in inches
Free Rectangles and Parallelograms Calculator - Solve for Area, Perimeter, length, and width of a rectangle or parallelogram and also calculates the diagonal length as well as the circumradius and inradius.
Free Squares Calculator - Solve for Area of a square, Perimeter of a square, side of a square, diagonal of a square.
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