Basic Math Calculators
Core everyday math tools for percentages, fractions, ratios, averages, roots, powers and quick calculations.
Percentage Calculator ★
Calculate percentages three ways: find a percentage of a number, convert part of a whole into a percent, or measure per…
Open calculator →Fraction Calculator
Add, subtract, multiply and divide fractions and mixed numbers, with results simplified automatically.
Open calculator →Decimal Calculator
Add, subtract, multiply and divide decimal numbers with clean, professionally rounded results.
Open calculator →Ratio Calculator
Simplify any ratio to its lowest terms and see it expressed as a decimal and as parts of a whole.
Open calculator →Proportion Calculator
Solve proportions of the form A/B = C/D by entering any three values and leaving one blank.
Open calculator →Average Calculator ★
Find the arithmetic mean of any set of numbers, along with the sum and count of values.
Open calculator →Mean, Median & Mode Calculator
Get the mean, median, mode, range and more from a data set in one step.
Open calculator →Greatest Common Factor Calculator
Find the greatest common factor (GCF/HCD) of two or more whole numbers instantly.
Open calculator →Least Common Multiple Calculator
Find the least common multiple (LCM) of two or more whole numbers using the efficient GCD method.
Open calculator →Prime Number Checker
Check whether a number is prime and see its smallest factor and full prime factorization if it is not.
Open calculator →Exponent Calculator
Raise any base to any power, including negative and fractional exponents.
Open calculator →Square Root Calculator
Calculate square roots with high precision and simplify perfect-square radicals automatically.
Open calculator →Scientific Calculator
A full scientific calculator with trigonometry, logarithms, powers, roots, constants and parentheses.
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