Math Calculators
Online math calculators for percentages, fractions, algebra, and scientific calculations.
28 calculators available
Percentage Calculator
Calculate percentages easily. What is X% of Y? What percentage is X of Y? Percentage increase/decrease between two numbers.
Use calculator →Fraction Calculator
Calculate fractions online. Add, subtract, multiply, and divide fractions. Convert between fractions, decimals, and percentages.
Use calculator →Scientific Calculator
Free online scientific calculator with trigonometric functions, logarithms, exponents, roots, and memory functions.
Use calculator →Quadratic Equation Solver
Solve quadratic equations using the quadratic formula. Find roots, discriminant, vertex, and graph the parabola.
Use calculator →Pythagorean Theorem Calculator
Calculate the missing side of a right triangle using the Pythagorean theorem. Enter any two sides to find the third.
Use calculator →Triangle Calculator
Calculate triangle area, perimeter, angles, and sides. Supports SSS, SAS, ASA, AAS, and SSA input combinations.
Use calculator →Circle Calculator
Calculate circle properties: area, circumference, diameter, and radius. Enter any one value to find all others.
Use calculator →Equation Solver
Solve linear equations (ax + b = 0), simultaneous equations, and polynomial equations step by step.
Use calculator →Long Division Calculator
Perform long division with step-by-step work shown. See quotient, remainder, and the complete division process.
Use calculator →Square Root Calculator
Calculate the square root of any number. Also calculates cube roots and nth roots.
Use calculator →Exponent Calculator
Calculate exponents (powers) of any number. Compute x^n for any base and exponent including negative and fractional powers.
Use calculator →Ratio Calculator
Calculate and simplify ratios. Solve for missing values in proportions. Scale ratios up or down.
Use calculator →Standard Deviation Calculator
Calculate standard deviation, variance, mean, median, and mode for any data set. Population and sample statistics.
Use calculator →Average Calculator
Calculate the average (mean), median, mode, and range of a set of numbers. Supports weighted averages.
Use calculator →Matrix Calculator
Perform matrix operations: addition, multiplication, determinant, inverse, transpose, and eigenvalues. Up to 5×5 matrices.
Use calculator →Permutation & Combination Calculator
Calculate permutations (nPr) and combinations (nCr). Understand when order matters and when it doesn't.
Use calculator →Factoring Calculator
Factor algebraic expressions and polynomials. Supports common factor, difference of squares, trinomials, and grouping.
Use calculator →Significant Figures Calculator
Round numbers to the correct number of significant figures. Essential for science and engineering calculations.
Use calculator →Scientific Notation Calculator Online
Convert numbers to scientific notation and E-notation with step-by-step instructions. Perform arithmetic on numbers in scientific notation with full working.
Use calculator →Hexadecimal Calculator Online
Perform hexadecimal arithmetic and see results in hex, decimal, binary, and octal. Bitwise operations, colour converter, and programmer mode with two's complement.
Use calculator →IP Subnet Calculator Online
Calculate network address, broadcast address, first/last host, usable hosts, subnet mask, and wildcard mask from any IPv4 address and CIDR prefix. Includes subnet division, VLSM, and supernetting.
Use calculator →GCD & LCM Calculator
Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two or more numbers.
Use calculator →Logarithm Calculator
Calculate logarithms for any base. Natural log (ln), common log (log10), and custom base logarithms.
Use calculator →Decimal Calculator
Convert decimals to fractions and fractions to decimals. Perform arithmetic with decimal numbers.
Use calculator →Prime Factorization Calculator
Find the prime factorization of any number. Shows the complete factor tree and all prime factors.
Use calculator →GPA Calculator
Calculate your GPA (Grade Point Average). Add your courses, credits, and grades to get your cumulative GPA.
Use calculator →Probability Calculator
Calculate probability of single and multiple events. Includes combinations, permutations, and conditional probability.
Use calculator →Random Number Generator
Generate random numbers within a range. Supports integers, decimals, and multiple random numbers at once.
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