Math Calculators
Free online math calculators for percentages, fractions, algebra, geometry, statistics, and more. 45 calculators with step-by-step solutions to understand the math.
Basic & Scientific
Scientific Calculator
Advanced scientific calculator with trigonometry, logarithms, and exponential functions.
Basic Calculator
Simple calculator for basic arithmetic operations including addition, subtraction, multiplication, and division.
Percentage Calculator
Calculate percentages, percentage change, and percentage of a number. Multiple calculation modes available.
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions and automatic simplification.
Exponent Calculator
Calculate powers and exponents. Supports positive, negative, and fractional exponents.
Log Calculator
Calculate logarithms with any base including natural log (ln) and common log (log10).
Root Calculator
Calculate square roots, cube roots, and nth roots of any number.
Average Calculator
Calculate mean average of a set of numbers quickly and easily.
Rounding Calculator
Round numbers to specified decimal places or significant figures.
Big Number Calculator
Calculate with arbitrarily large numbers beyond standard limits.
Percent Error Calculator
Calculate percent error between expected and actual values for error analysis.
Number Theory
GCF Calculator
Find the Greatest Common Factor (GCD) of two or more numbers with detailed steps.
LCM Calculator
Calculate the Least Common Multiple of two or more numbers with explanation.
Factor Calculator
Find all factors of a number including prime and composite factors.
Prime Factorization Calculator
Break down numbers into their prime factors with detailed factorization tree.
Common Factor Calculator
Find all common factors shared between two or more numbers.
Long Division Calculator
Perform long division with step-by-step solution showing all work.
Number Sequence Calculator
Find patterns in number sequences and predict the next terms.
Random Number Generator
Generate random numbers within a specified range for various purposes.
Base Conversion
Binary Calculator
Convert between binary, decimal, hexadecimal, and octal number systems.
Hex Calculator
Convert and perform arithmetic with hexadecimal numbers.
Scientific Notation Calculator
Convert numbers to and from scientific notation (exponential form).
Roman Numeral Converter
Convert between Roman numerals and decimal numbers.
Geometry
Triangle Calculator
Calculate triangle area, perimeter, angles, and sides with various input methods.
Right Triangle Calculator
Calculate right triangle properties using Pythagorean theorem and trigonometry.
Pythagorean Theorem Calculator
Calculate the sides of a right triangle using a² + b² = c².
Circle Calculator
Calculate circle area, circumference, diameter, and radius.
Volume Calculator
Calculate volume of 3D shapes including spheres, cylinders, cones, and prisms.
Area Calculator
Calculate area of various 2D shapes including rectangles, circles, and triangles.
Surface Area Calculator
Calculate surface area of 3D shapes including cubes, spheres, and cylinders.
Distance Calculator
Calculate distance between two points in 2D or 3D coordinate space.
Algebra
Quadratic Formula Calculator
Solve quadratic equations using the quadratic formula with step-by-step solutions.
Slope Calculator
Calculate the slope of a line from two points and find the equation.
Ratio Calculator
Calculate and simplify ratios, find equivalent ratios, and solve proportion problems.
Matrix Calculator
Perform matrix operations including addition, multiplication, determinant, and inverse.
Statistics
Statistics Calculator
Calculate comprehensive statistics including mean, median, mode, range, and more.
Standard Deviation Calculator
Calculate mean, variance, and standard deviation for a dataset with detailed steps.
Mean Median Mode Calculator
Calculate measures of central tendency including mean, median, and mode.
Sample Size Calculator
Calculate required sample size for surveys and statistical studies.
Z-Score Calculator
Calculate z-scores and find probabilities from the standard normal distribution.
Confidence Interval Calculator
Calculate confidence intervals for population parameters with various confidence levels.
P-Value Calculator
Calculate p-values for hypothesis testing and statistical significance.
Probability
Probability Calculator
Calculate probabilities for single and multiple events including combinations.
Permutation Calculator
Calculate permutations and combinations for arranging objects in order.
Half Life Calculator
Calculate radioactive decay, exponential decay, and half-life of substances.
Why Use Our Math Calculators?
Step-by-Step Solutions
Understand the math with detailed step-by-step explanations for each calculation.
Instant Results
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Works Offline
Once loaded, calculators work without internet. Perfect for studying anywhere.