Calculate the mean, sum, count, weighted average, and running average from a list of numbers for grades, finance, statistics, and everyday math.
Mean:
Sum of values ÷ number of values
Weighted average:
Sum of (value × weight) ÷ sum of weights
Running average:
Updated mean as each new value is added
This calculator helps with grades, budgets, pricing, statistics, and day-to-day math.
Averages summarize a group of numbers into one central value, making it easier to compare results, spot trends, and understand overall performance.
They are commonly used in school, finance, business, sports, and data analysis.
Your result shows the average for the numbers entered based on the mode selected. It also shows the total sum, count, and supporting calculations used to get the final answer.
For weighted averages, the result reflects the influence of each weight, so higher-weighted values affect the final answer more.
Add all the numbers together and divide by how many numbers there are.
A weighted average gives different importance to values by multiplying each value by its weight.
In most everyday use, mean and average refer to the same calculation.
Yes. This calculator supports whole numbers, decimals, and negative values.