Frequently Asked Questions
What is area?
Area is the measure of the space inside a two-dimensional shape, expressed in square units.
How do you calculate the area of a rectangle?
Area = length × width. Multiply the length by the width of the rectangle.
What is the area of a circle?
Area = π × radius². Multiply pi by the radius squared.
How do you find the area of a triangle?
Area = ½ × base × height. Multiply the base by the height, then divide by 2.
What is the formula for the area of a trapezoid?
Area = ½ × (a + b) × h, where a and b are the parallel sides and h is the height.
How do you calculate the area of an ellipse?
Area = π × a × b, where a and b are the semi-major and semi-minor axes.
What is the area of a parallelogram?
Area = base × height. Same formula as a rectangle, using the perpendicular height.
What units does this calculator use?
Any unit — the result will be in square units of your input (e.g., enter meters → get m²).