Average
mean = sum of values / number of values
Mathematics calculator
Average Calculator
Enter comma-separated numbers to find the average, count, sum, minimum, and maximum.
Calculator
Enter values
Results update automatically as soon as enough values are available.
Result
About this calculator
How it works
The arithmetic mean is the sum of all values divided by the number of values.
Formulas
Formulas used
Worked example
Example calculation
Average
(12 + 18 + 21 + 25 + 30) / 5 = 21.2
Guide
How to use this calculator
- Enter the requested values. For datasets, separate numbers with commas, spaces, or line breaks.
- Choose an operation where the calculator provides a menu.
- Read the highlighted answer first, then use the supporting values for checking your work.
Reference
What the results mean
Average
The central value found by dividing the total by the count.
Count
How many numeric values were included.
Assumptions and limits
Before using the result
- Results are rounded for readability.
- Use the formula and supporting values to check important calculations.
- For engineering, finance, or coursework decisions, confirm the required method, units, and significant figures.
FAQ
Average Calculator questions
Can I enter decimals or negative numbers?
Yes. Calculators that accept numeric datasets or values support decimals and negative values where the math operation allows them.
Are the results rounded?
Displayed values are rounded for readability, while the calculation uses the entered numeric values directly.
Can I use this for engineering checks?
Yes, these tools are useful for quick technical math checks, but final engineering work should still be reviewed against project requirements.
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