Average Calculator

Calculate the mean average of any set of numbers. Free online average calculator for quick statistical analysis.

The Average Calculator computes the arithmetic mean of any set of numbers quickly and accurately. Whether you're calculating grade averages, analyzing data sets, or finding central tendencies, this tool handles it all. Simply enter your numbers separated by commas, and get the average instantly. The calculator also shows the sum and count for complete transparency.

Common use cases

  • Calculating course grade averages
  • Finding average sales figures
  • Computing mean test scores
  • Analyzing survey responses
  • Averaging measurements in research

How to use

  1. Enter your numbers separated by commas
  2. Click calculate to find the average
  3. View the sum, count, and mean
  4. See the formula used
  5. Copy results for your records

FAQ

How is the average calculated?

Add all numbers together and divide by the count of numbers. For 10, 20, 30: (10+20+30)÷3 = 20.

What's the difference between mean and average?

In common usage, they're the same—the arithmetic mean. Technically, 'average' can refer to other measures like median or mode.

Should I include outliers?

Depends on context. Outliers can skew averages significantly. Consider using median for data with extreme values.

Can I calculate weighted averages?

Use our weighted grade calculator for weighted averages where different values have different importance.