Category
Mathematics
Arithmetic, algebra, geometry, and number tools.
20 reviewed calculators
- Percentage CalculatorSolve 12 percentage tasks with transparent formulas, steps, validation, and exact versioning.
- Fraction CalculatorSimplify, calculate, compare, convert, and find common denominators with exact integer arithmetic.
- Ratio CalculatorSimplify ratios, solve proportions, compare equivalent ratios, split totals, and calculate unit rates with exact decimal parsing.
- Average CalculatorCalculate arithmetic, weighted, geometric, and harmonic means plus median, mode, range, and RMS.
- Surface Area CalculatorCalculate total surface area for common ideal solids with transparent formulas.
- Volume CalculatorCalculate volume for common ideal solids with transparent formulas.
- Scientific Notation CalculatorConvert a finite decimal number to a normalized coefficient multiplied by a power of ten.
- 3 Sides Triangle Area CalculatorFind a triangle's area from three known side lengths using Heron's formula.
- Area Of A Circle CalculatorFind circle area and related measurements from a known radius, diameter, or circumference.
- Area Of A Trapezoid CalculatorCalculate trapezoid area from two parallel base lengths and their perpendicular height.
- Triangle Area From Coordinates CalculatorCalculate a triangle's area from three Cartesian coordinate pairs using a determinant.
- Average Rate Of Change CalculatorCalculate the average rate of change between two points using the difference quotient.
- Circumference Area Circle CalculatorConvert between circle area and circumference while deriving radius and diameter.
- Cone Surface Area CalculatorCalculate a right circular cone's slant height, lateral area, base area, and total closed surface area.
- Cone Volume CalculatorCalculate a right circular cone's volume, base area, and matching cylinder volume from radius and perpendicular height.
- Cross Sectional Area CalculatorCalculate circle, rectangle, triangle, or annulus cross-sectional area with shape-specific dimensions.
- Cube Surface Area CalculatorCalculate a cube's total and face areas plus its face and space diagonals from one edge length.
- Cube Volume CalculatorCalculate cube volume from an edge or recover the edge from volume, with related face and surface areas.
- Cylinder Volume CalculatorCalculate a right circular cylinder's volume, base area, curved lateral area, and total closed surface area.
- Ellipse Area CalculatorCalculate ellipse area from two semi-axis or full-axis lengths with normalized major and minor measurements.