Math tools
Math Calculators
Fast calculators for percentages, fractions, roots, exponents, primes, rounding, ratios, algebra, geometry, probability, and statistics.
Percentage Calculator
Calculate percentages, percent of a number, and percent change.
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplified results.
Decimal to Fraction Calculator
Convert decimal values into simplified fraction form.
Fraction to Decimal Calculator
Convert fractions into decimal values quickly.
Exponent Calculator
Calculate powers from a base and exponent.
Square Root Calculator
Find square roots and rounded root values.
Log Calculator
Calculate logarithms using common or custom bases.
Average Calculator
Find the mean value from a list of numbers.
Ratio Calculator
Simplify ratios and compare proportional values.
Rounding Calculator
Round numbers to selected decimal places or whole-number positions.
Prime Number Calculator
Check whether a number is prime and review divisibility.
Factorial Calculator
Calculate factorial values for whole numbers.
Quadratic Formula Calculator
Solve quadratic equations using coefficients a, b, and c.
Area Calculator
Calculate area for common shapes with simple dimensions.
Volume Calculator
Calculate volume for common 3D shapes.
Triangle Calculator
Estimate triangle measurements from known sides or angles.
Probability Calculator
Calculate basic event probability from favorable and total outcomes.
Standard Deviation Calculator
Measure spread from a list of values.
Greatest Common Factor Calculator
Find the greatest common factor of two integers using the Euclidean method.
Least Common Multiple Calculator
Find the least common multiple of two integers.
Modulo Calculator
Find the quotient remainder when one integer is divided by another.
Absolute Value Calculator
Find the distance of any number from zero.
Slope Calculator
Calculate the slope between two coordinate points.
Linear Equation Calculator
Solve a one-variable equation in the form ax + b = 0.
Pythagorean Theorem Calculator
Find the hypotenuse of a right triangle from its two legs.
Distance Formula Calculator
Measure straight-line distance between two coordinate points.
Scientific Notation Calculator
Convert very large or small numbers to normalized scientific notation.
Permutation and Combination Calculator
Count ordered and unordered selections from a set.
Decimal to Percent Calculator
Use the Decimal to Percent Calculator for a clear result with an explained formula and practical inputs.
Percent to Decimal Calculator
Use the Percent to Decimal Calculator for a clear result with an explained formula and practical inputs.
Fraction Simplifier Calculator
Use the Fraction Simplifier Calculator for a clear result with an explained formula and practical inputs.
Improper Fraction to Mixed Number Calculator
Use the Improper Fraction to Mixed Number Calculator for a clear result with an explained formula and practical inputs.
Proportion Calculator
Use the Proportion Calculator for a clear result with an explained formula and practical inputs.
Polynomial Evaluation Calculator
Use the Polynomial Evaluation Calculator for a clear result with an explained formula and practical inputs.
Cube Root Calculator
Use the Cube Root Calculator for a clear result with an explained formula and practical inputs.
Midpoint Calculator
Use the Midpoint Calculator for a clear result with an explained formula and practical inputs.
Range Calculator
Use the Range Calculator for a clear result with an explained formula and practical inputs.
Significant Figures Calculator
Use the Significant Figures Calculator for a clear result with an explained formula and practical inputs.