Math Calculators
Online math calculators for percentages, fractions, algebra, and scientific calculations.
15 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 →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 →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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