Geometry calculators
Measure shapes and solve triangles: area, volume, surface area, circles, slope, distance and the Pythagorean theorem, with unit conversions.
Triangle CalculatorSolve any triangle from three known valuesVolume CalculatorVolume of 14 solids, with litres and gallonsSlope CalculatorSlope, line equation and angle from two pointsArea CalculatorArea of 12 shapes in sq ft, sq m, gaj and acresDistance CalculatorDistance and midpoint between two points, 2-D or 3-DCircle CalculatorRadius, diameter, circumference and area from any oneSurface Area CalculatorSurface area of 14 solids, with volumePythagorean Theorem CalculatorFind the hypotenuse or a missing leg with a² + b² = c²Right Triangle CalculatorSolve a right triangle from any two values