Geometry

Area, perimeter, volume, Pythagoras

Circle Calculator (area, circumference)

From the radius, get a circle's diameter, circumference and area.

From length and width, get a rectangle's area, perimeter and diagonal.

Find a triangle's area from its base and height.

Find the hypotenuse of a right triangle from its two legs.

Find the volume and surface area of a cylinder from its radius and height.

Find the volume and surface area of a sphere from its radius.