Average Calculator
Calculate the mean, median, minimum, and maximum from any data set. Paste messy data with dollar signs, commas, or line breaks — the smart parser handles it automatically.
Average
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The Formula
The mean (average) is the sum of all values divided by the number of values. It represents the central value of a data set. This calculator also computes the median, minimum, maximum, and count for a complete overview of your data.
Variable Definitions
Data Values
The individual numbers in the data set. Can include dollar signs, percent signs, and commas which are automatically stripped.
Count
The total number of values in the data set.
Mean
The arithmetic average of all values. Also called the arithmetic mean.
How to Use This Calculator
- 1
Enter your data values separated by commas, spaces, or line breaks.
- 2
The parser automatically removes $, %, and extra formatting — paste directly from Excel, PDFs, or reports.
- 3
View the mean (average), median, minimum, maximum, sum, and count of your data.
- 4
The median is shown alongside the mean to help you assess whether your data is skewed.
- 5
Compare the mean and median — a large gap suggests outliers are influencing the average.
The mean is the sum divided by the count. The median is the middle value when sorted. Comparing them reveals data skew.
Understanding the Concept
The average (mean) is the most common measure of central tendency. It is found by summing all values and dividing by the count. While the mean is intuitive and widely used, it has an important limitation: it is sensitive to extreme values. A single outlier can significantly distort the mean, which is why this calculator also shows the median as a check. If the mean and median differ substantially, your data may be skewed by outliers. The parser intelligently handles messy input — you can paste directly from Excel spreadsheets with dollar signs, copy from a PDF with extra spaces, or paste comma-separated values without cleaning the data first. Dollar signs, percent signs, and commas used as thousands separators are automatically stripped. There is no hard limit on the number of values you can enter, so you can compute the average of hundreds or even thousands of data points in a single batch.
Frequently Asked Questions
Sources & References
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