🔢 Math Calculators

%Popular

Percentage Calculator

What is X% of Y? Increase, decrease, and more.

➗Popular

Fraction Calculator

Add, subtract, multiply, divide any two fractions.

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Scientific Calculator

Full scientific calculator with trig, log, and powers.

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Triangle Calculator

Solve sides and angles from any three known values.

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Random Number Generator

Generate random integers or decimals in any range.

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Standard Deviation Calculator

Mean, variance, and standard deviation from a data set.

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Percentage Change Calculator

Percent increase or decrease between an old and new value.

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Volume Calculator

Cubes, prisms, cylinders, cones, spheres, pyramids, capsules, and more, plus missing-dimension solving.

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Area Calculator

Area and perimeter for rectangles, triangles, circles, trapezoids, polygons, and more.

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Slope Calculator

Slope, rise/run, line equation, distance, midpoint, angle, and percent grade.

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Exponent Calculator

Evaluate powers, find a missing exponent or base, and handle negative, fractional, and zero exponents exactly.

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Logarithm Calculator

Evaluate, find the argument or base, convert forms, and solve log equations.

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Quadratic Formula Calculator

Real, repeated, or complex roots, vertex, and factored form for ax² + bx + c = 0.

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Probability Calculator

Single events, AND/OR, conditional, Bayes, binomial, and normal distribution probability.

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Statistics Calculator

Mean, median, mode, quartiles, variance, standard deviation, and outliers from any data set.

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Ratio Calculator

Simplify ratios, solve proportions, compare ratios, scale, and divide a quantity in a given ratio.

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Pythagorean Theorem Calculator

Solve for any side, check right triangles, rectangle diagonals, and distance between two points.

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Square Root Calculator

Square roots, cube roots, and nth roots with simplified radicals, perfect square checks, and step-by-step math.

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Long Division Calculator

Divide numbers and see the quotient, remainder, decimals, and repeating decimals, worked out step by step.

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Rounding Calculator

Round to any decimal place or significant figure.

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Percent Error Calculator

Difference between measured and actual values as a percent.

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Mean Median Mode Calculator

All three central tendency measures from one data set.

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Factor Calculator

All factors and prime factorization of any integer.

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Average Calculator

Average (mean) from any list of numbers.

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Confidence Interval Calculator

95% and 99% confidence intervals from sample data.