Average Calculator
Please enter at least one valid number.
What Is an Average Calculator?
An average calculator computes multiple statistical measures from a set of numbers at once — mean, median, mode, and range — giving you a complete picture of your data without doing the math by hand.
Formulas Used
Mean: Sum of all numbers ÷ count of numbers
Median: The middle value when numbers are sorted (or the average of the two middle values for an even count)
Mode: The number(s) that appear most frequently
Range: Maximum value − Minimum value
How to Use This Calculator
Enter your numbers separated by commas or spaces, then click "Calculate" to instantly see the mean, median, mode, range, sum, and count.
Mean vs. Median — Which Should You Use?
The mean is sensitive to outliers — one very large or small number can skew it significantly. The median is more resistant to outliers and often better represents "typical" data when your set has extreme values.
Frequently Asked Questions
What if there's no repeated number?
If no number repeats, the calculator will indicate there is no mode, since mode requires at least one value to appear more than once.
What if multiple numbers tie for most frequent?
The calculator will list all numbers that share the highest frequency as the mode.
Does the order I enter numbers matter?
No, the calculator automatically sorts the numbers internally for median and range calculations regardless of input order.
Can I use decimal numbers?
Yes, decimals and negative numbers are both fully supported.