Area, volume, surface area and shape calculators. — 16 free tools.
Find the area, perimeter and diagonal of a rectangle.
★Find the area, perimeter and diagonal of a square.
★Find the area of a parallelogram.
★Find the area of a rhombus from its diagonals.
★Find the area of a trapezoid.
★Find the area and approximate perimeter of an ellipse.
★Find the area and arc length of a circle sector.
★Find the area and perimeter of a regular polygon.
★Find the volume and surface area of a cone.
★Find the volume and surface area of a cylinder.
★Find the volume and surface area of a sphere.
★Find the volume of a rectangular pyramid.
★Find the volume, surface area and diagonal of a cube.
★Find the distance between two points on a plane.
★Find the midpoint between two points.
★Find the slope and angle of a line between two points.