Mathematics
Percentage and general-purpose math calculators.
Popular in Mathematics
Percentage Calculator
Find what X% of Y is, what percentage X is of Y, or the percentage change between two numbers.
Scientific Calculator
A basic, scientific and advanced scientific calculator with trig, log, powers, hyperbolic functions, physical constants and memory functions.
Mean, Median, Mode & Range Calculator
Calculate the mean, median, mode and range of a data set.
Standard Deviation Calculator
Calculate the standard deviation, variance and mean of a data set.
GPA / CGPA Calculator
Calculate your GPA or CGPA from grade points and credit hours.
Geometry Area & Volume Calculator
Calculate area for 2D shapes, or volume and surface area for 3D shapes.
All Mathematics calculators
Fraction Calculator
Add, subtract, multiply or divide fractions and simplify the result.
Ratio Calculator
Simplify a ratio to lowest terms and solve proportions.
Percent Error Calculator
Calculate percent error between an experimental and theoretical value.
Exponent & Root Calculator
Calculate powers (exponents) and nth roots.
Logarithm Calculator
Calculate the logarithm of a number to any base.
Quadratic Formula Calculator
Solve ax² + bx + c = 0 for real or complex roots.
Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal.
Roman Numeral Converter
Convert between numbers and Roman numerals.
Rounding Calculator
Round a number to a given number of decimal places, or up/down.
Factors & Prime Factorization Calculator
Find all factors and the prime factorization of a number.
GCF & LCM Calculator
Find the greatest common factor and least common multiple of two or more numbers.
Long Division Calculator
Solve long division problems with a step-by-step breakdown.
Scientific Notation Calculator
Convert a number to normalized scientific notation.
Matrix Calculator
Add, subtract, multiply, transpose or find the determinant of a matrix.
Probability Calculator
Calculate the probability of two independent events happening together, either, or neither.
Sample Size Calculator
Calculate the survey sample size needed for a given confidence level and margin of error.
Number Sequence Calculator
Find the nth term and sum of an arithmetic or geometric sequence.
Permutation & Combination Calculator
Calculate nPr (permutations) and nCr (combinations).
Z-Score & P-Value Calculator
Calculate a z-score, percentile, and p-value from a value, mean and standard deviation.
Confidence Interval Calculator
Calculate a confidence interval for a sample mean.
Weighted Average Calculator
Calculate a weighted average from a list of values and their weights.
Grade Calculator
Find the score you need on a final exam to reach your target grade.
Pythagorean Theorem Calculator
Find a triangle's hypotenuse or a missing leg using the Pythagorean theorem.
Triangle Calculator
Calculate a triangle's area, perimeter and angles from its three sides.
Circle Calculator
Calculate a circle's area, circumference and diameter from its radius.
Coordinate Distance Calculator
Calculate the distance and midpoint between two coordinate points.
Slope Calculator
Calculate slope as a ratio, percentage, angle, or roof pitch from rise and run.
Linear Regression Calculator
Find the best-fit line and R² for a set of x/y data points.
Correlation Coefficient Calculator
Find the Pearson correlation coefficient between two datasets.
Variance Calculator
Calculate population and sample variance for a dataset.
Percentile Calculator
Find any percentile, quartiles and the interquartile range (IQR) of a dataset.
Margin of Error Calculator
Calculate the margin of error for a survey sample.
Normal Distribution Calculator
Calculate probability density and cumulative probability for a normal distribution.
T-Test Calculator
Run a two-sample t-test to compare the means of two groups.
Chi-Square Calculator
Run a chi-square goodness-of-fit test on observed vs. expected frequencies.
Coin Flip & Dice Probability Calculator
Calculate the probability of a given number of heads or matching dice rolls.