Math
Percentage Calculator
Calculate percentages, percentage change, and percentage difference.
Solve common number, percentage, and equation problems.
17 available
17 calculators
Math
Calculate percentages, percentage change, and percentage difference.
Math
Add, subtract, multiply, divide, simplify, and convert fractions with exact results and clear steps.
Math
Simplify, solve, scale, compare, and convert ratios or divide a total by a ratio.
Math
Calculate GCF, GCD, LCM, prime factorizations, and common factors for two or more integers.
Math
Calculate powers, roots, powers of ten, scientific notation, and simple missing exponents.
Math
Calculate common, natural, and custom-base logarithms, antilogs, and simple logarithmic equations.
Math
Solve quadratic equations with real or complex roots, discriminant, vertex, and graph.
Math
Calculate mean, median, mode, range, sum, frequency, and sorted values for a dataset.
Math
Calculate population or sample standard deviation, variance, deviations, and z-scores.
Math
Calculate event probabilities, complements, conditional probability, repeated trials, and odds conversions.
Math
Calculate exact, cumulative, and range binomial probabilities with distribution statistics.
Math
Calculate z-scores, solve standard-score variables, and estimate normal-distribution percentiles.
Math
Calculate percentile values, percentile ranks, quartiles, median, and interquartile range.
Math
Calculate arithmetic and scientific expressions with trigonometry, logarithms, powers, memory, and history.
Math
Solve triangles from known sides and angles, including ambiguous SSA cases.
Math
Calculate radius, diameter, circumference, and area from one known circle measurement.
Math
Calculate exact ordered permutations and unordered combinations from n items choosing r.