Area is the measure of a two-dimensional surface.
geometrymathematicsArea is the measure of a two-dimensional surface.
A rectangle measuring 3 m by 2 m has area 6 m². The exponent indicates two dimensions.
Read units together with the number. A value without its unit can be ambiguous; a ratio such as a percentage also needs its reference whole.
Use the Area Calculator to connect the concept to a worked calculation.
Calculate the area of a rectangle from its length and width.
Find the area between two concentric circles.
Calculate a circular arc’s length from its radius and central angle.
Area measures a two-dimensional surface. The appropriate formula depends on the shape and the available measurements.
Calculate circle area and circumference from its radius.
Find the area of a circular sector from radius and central angle.
