Math tool
Area Calculator
Measure rectangles, circles, triangles and trapezoids, then convert the result across common land area units.
RESULT
Enter the dimensions to see an area and conversions.
USING THIS TOOL
How Area Calculator helps
Calculate a shape in metres, feet or yards and view square metres, square feet, acres and hectares together.
Method and assumptions
For a rectangle, multiply length by width. For a circle, use π × radius². For a triangle, use base × height ÷ 2.
Example
A 30 ft by 40 ft plot covers 1,200 sq ft, about 111.48 m².
Know the limits
Check your inputs and verify important financial, health, legal, educational or property decisions using the relevant professional or official source. Results depend on stated assumptions.