Geometry calculators
Circle, triangle and solid geometry calculators covering area, perimeter, surface area and volume.
- Circle CalculatorCalculate the area, circumference and diameter of a circle from its radius, with formulas shown.
- Triangle Area CalculatorCalculate the area of a triangle from its base and height.
- Pythagorean Theorem CalculatorFind the hypotenuse of a right triangle from its two legs using a² + b² = c².
- Sphere Volume CalculatorCalculate the volume and surface area of a sphere from its radius.
Other categories
- MathematicsArithmetic, percentages and everyday number crunching4 tools
- FinanceLoans, savings, interest and business numbers3 tools
- ConversionsLength, mass, volume, temperature and more12 tools
- Time & DateDurations, deadlines and age math2 tools
- HealthBody metrics, energy needs and training math2 tools
- PhysicsMotion, force, energy and density4 tools
- StatisticsSpread, probability and sampling3 tools
- AlgebraEquations, roots and proportions3 tools
- GeometryAreas, volumes and triangle math4 tools
- ConstructionMaterials, areas and project estimates2 tools
- TechnologyData sizes, transfer times and screens3 tools
- CookingRecipe scaling and kitchen measures2 tools
- SportsPace, splits and performance numbers2 tools
- MiscellaneousEveryday odds and ends3 tools