Math Calculators
25 interactive tools with transparent guidance and tested shared calculation logic.
Percentage Calculator
Find what percentage one number is of another.
MathPercentage Change Calculator
Measure the percentage increase or decrease between two values.
MathPercentage Increase Calculator
Calculate a new value after a percentage increase.
MathPercentage Decrease Calculator
Calculate a new value after a percentage decrease.
MathAverage Calculator
Calculate the arithmetic mean of a list of numbers.
MathWeighted Average Calculator
Combine values using custom weights.
MathRatio Calculator
Reduce a two-number ratio to its simplest integer form.
MathProportion Calculator
Solve a/b = c/x for the missing fourth value.
MathExponent Calculator
Raise a base to any real exponent.
MathSquare Root Calculator
Find the principal square root of a non-negative number.
MathNth Root Calculator
Find the nth root of a value.
MathQuadratic Formula Calculator
Solve ax² + bx + c = 0 for real roots.
MathPythagorean Theorem Calculator
Find the hypotenuse of a right triangle from its two legs.
MathSlope Calculator
Calculate slope between two Cartesian points.
MathDistance Between Two Points Calculator
Find straight-line distance between two 2D points.
MathMidpoint Calculator
Find the midpoint between two 2D points.
MathCircle Area Calculator
Calculate circle area from radius.
MathCircle Circumference Calculator
Calculate a circle circumference from radius.
MathTriangle Area Calculator
Calculate triangle area from base and perpendicular height.
MathRectangle Area Calculator
Calculate rectangle area.
MathTrapezoid Area Calculator
Calculate trapezoid area from parallel sides and height.
MathCylinder Volume Calculator
Calculate cylinder volume from radius and height.
MathSphere Volume Calculator
Calculate sphere volume from radius.
MathGCD Calculator
Find the greatest common divisor of two integers.
MathLCM Calculator
Find the least common multiple of two integers.