Enter a list of numbers to instantly find the mean, median, mode, and range.
This tool calculates the arithmetic mean (average) of a set of numbers, along with related statistics like sum, count, minimum, and maximum. It's used broadly across academics, finance, sports statistics, and everyday calculations requiring a central summary value.
Average = Sum of all values รท Number of values. This is technically the arithmetic mean, the most common type of "average," though other types exist for specific purposes (like weighted average, geometric mean, or median).
Enter your list of numbers separated by commas or spaces, and the calculator returns the average along with the sum and count of values.
Example: The average of 10, 20, 30, and 40 is (10+20+30+40) รท 4 = 25.
What's the difference between average and median? Average (mean) sums all values and divides by the count, while median is the middle value when data is sorted โ median is less affected by extreme outliers than average.
What is a weighted average? A weighted average gives different values different levels of importance (weights) before averaging, unlike a simple average that treats all values equally โ commonly used for GPA calculations or blended investment returns.
Why can average be misleading with outliers? A single very large or very small value can significantly pull the average away from what most of the data actually looks like, which is why median is sometimes preferred for skewed data sets.
Can average be calculated for negative numbers? Yes, averaging works the same way with negative numbers included; the sum simply accounts for both positive and negative values before dividing by the count.
How is average used in sports statistics? Averages are used extensively, such as batting averages in cricket and baseball, points per game in basketball, and lap times in racing, to summarize performance over multiple events.