Geometry Calculators

Free online geometry calculators tools. Convert and calculate geometry calculators values instantly in your browser.

Calculate the area and circumference of a circle from its radius. Free circle calculator with step-by-step formula.

Calculate the area of a triangle from its base and height. Simple and accurate triangle area formula.

Calculate the area and perimeter of a rectangle. Enter length and width to get instant results.

Calculate the hypotenuse of a right triangle using the Pythagorean theorem. Enter sides a and b to find c.

Calculate the volume and surface area of a sphere from its radius. Free sphere calculator with formulas.