Math calculators
These math calculators cover everyday arithmetic through calculus. The collection is organized by mathematical intent so related operations are easier to discover and compare.
24
available calculators
Arithmetic and numbers
Work with percentages, averages, fractions, factors, ratios, and proportions.
Percentage Calculator
Calculate percentages, percentage change, and adding or subtracting a percentage from a value.
Open calculator
Average Calculator
Calculate arithmetic average, median, mode, count, sum, minimum, maximum, range, and sorted values from a list of numbers.
Open calculator
Calculator
Free online calculator for everyday arithmetic with keyboard support.
Open calculator
Rounding Calculator
Round numbers by decimal places, significant figures, place value, ceiling, floor, or truncation with tie-rule and comparison outputs.
Open calculator
Mixed Number Calculator
Add, subtract, multiply, or divide mixed numbers, whole numbers, proper fractions, and improper fractions with step-by-step conversion results.
Open calculator
Fraction Calculator
Add, subtract, multiply, or divide two fractions and see the simplified fraction, mixed number, decimal, and calculation steps.
Open calculator
Long Division Calculator
Divide whole numbers with quotient, remainder, decimal result, and long division steps.
Open calculator
LCM Calculator
Find the least common multiple of two or more whole numbers, with prime factors and steps.
Open calculator
Factor Calculator
Find all factors, factor pairs, and prime factorization for a whole number.
Open calculator
Ratio Calculator
Simplify a two-part ratio and convert it to decimal, percent, and share-of-total views.
Open calculator
Proportion Calculator
Solve a missing value in a proportion A/B = C/D using cross multiplication.
Open calculator
Scientific Calculator
Evaluate scientific expressions with powers, roots, logarithms, trigonometry, constants, factorials, and parentheses without using unsafe code evaluation.
Open calculatorStatistics
Summarize and interpret lists of numerical values.
Median Calculator
Find the median, sorted values, count, minimum, and maximum from a list of numbers.
Open calculator
Statistics Calculator
Calculate mean, median, mode, range, variance, and sample standard deviation from a list of numbers.
Open calculator
Standard Deviation Calculator
Calculate sample or population standard deviation, variance, mean, deviations, squared deviations, and coefficient of variation from a data set.
Open calculator
Weighted Average Calculator
Calculate a weighted mean from paired values and weights with contribution percentages, normalized weights, and an audit table.
Open calculatorGeometry and calculus
Calculate shapes, slopes, dimensions, derivatives, and integrals.
Pythagorean Theorem Calculator
Solve the missing side of a right triangle using a^2 + b^2 = c^2, with area and perimeter.
Open calculator
Aspect Ratio Calculator
Calculate an image, video, or screen aspect ratio and resize dimensions while preserving proportions.
Open calculator
Slope Calculator
Find the slope, line equation, and angle between two coordinate points.
Open calculator
Area Calculator
Calculate area for rectangles, circles, triangles, and trapezoids with clear formula output.
Open calculator
Volume Calculator
Calculate volume for rectangular prisms, cylinders, spheres, and cones.
Open calculator
Derivative Calculator
Find the derivative of a polynomial expression and evaluate the derivative at a selected x value.
Open calculator
Integral Calculator
Find the antiderivative of a polynomial and calculate a definite integral when bounds are provided.
Open calculator
Quadratic Formula Calculator
Solve ax² + bx + c = 0, classify the discriminant, and find real or complex roots, the vertex, axis of symmetry, and parabola direction.
Open calculator