📉 Average Calculator
Calculate the mean, median, and mode of a set of numbers.
What is a Average Calculator?
Calculate the mathematical mean (average), sum, and count of a series of numbers.
Average = Sum / Count📝 In-Depth Guide: Mastering Average Calculator
The "average" or "mean" is the central value of a set of numbers. It is the most common way to summarize data, from test scores to monthly expenses.
Mean vs. Median
While the mean is the sum divided by the count, the median is the middle number in a sorted list. If your data has "outliers" (numbers that are much higher or lower than the rest), the median might be a more accurate representation of the center than the mean.
Example
📌 Example Calculation
Average of 10, 20, 30 = 20
Frequently Asked Questions
The calculator applies the formula and assumptions explained on this page to the values you enter. Calculate the mean, median, and mode of a set of numbers. Use our free average calculator online — instant results, no sign-up.
The arithmetic follows the displayed method, but accuracy depends on your inputs, units, assumptions, and rounding. Confirm important decisions with an authoritative source or qualified professional.
No. The calculation runs in your browser and does not require an account. Avoid sharing a prefilled result link if its inputs are sensitive.