Math Calculators: Percentages, Fractions and Averages
Calculate a percentage, work with fractions, or summarize a set of numbers. Choose the question you need to answer, then enter your own values to see the result and working.
- Percentage CalculatorWhat is X% of Y, X is what percent of Y, and percent change.
- Average CalculatorMean, median, mode, and standard deviation of a list of numbers.
- Fraction CalculatorAdd, subtract, multiply, and divide fractions and mixed numbers with every step shown.
Which math calculator do you need?
- Find a percentage or a change
- Percentage Calculator. Find 15% of 80, express one number as a percentage of another, or compare an old value with a new value. Choose percent change when the starting value matters.
- Calculate with fractions
- Fraction Calculator. Add, subtract, multiply or divide fractions and mixed numbers. You can also simplify a fraction or convert a decimal into a fraction.
- Summarize a list of numbers
- Average Calculator. Enter a list to compare its mean, median and mode, then check the range and standard deviation. This is useful when one average alone does not describe the data.
Common questions
Which calculator handles weighted averages?
For course marks with different weights, use the grade calculator in the grades section. The average calculator treats each number in your list as one observation.
Where can I calculate powers, roots and trigonometry?
The scientific calculator in the graphing section has powers, roots, logarithms and trigonometric functions. Use the algebra section when you need symbolic derivatives or matrix operations.
Continue with a related calculation
- Grade, GPA and Test Score Calculators. Calculate weighted course grades, GPA and exam targets.
- Online Graphing and Scientific Calculators. Evaluate scientific expressions or plot a function.
- Algebra and Calculus Calculators with Steps. Solve equations and work with symbolic expressions and matrices.