Geometry Calculators

• Area CalculatorChoose a shape, enter the measurements it needs and get its area. The calculator also shows the formula it used.
• Circle CalculatorEnter the radius of a circle and this calculator gives you its area, circumference and diameter.
• Pythagorean Theorem CalculatorChoose whether to find the hypotenuse or one of the other sides of a right-angled triangle, then enter the two lengths you know.
• Triangle CalculatorEnter the lengths of the three sides. This calculator gives the area, perimeter, all three angles, the type of triangle and whether it has a right angle.
• Volume CalculatorChoose a solid, enter the measurements it needs and get its volume. The formula used is shown too.