Average Calculator
Find the average (mean) of a list of numbers.
How to Do It Manually
The arithmetic mean (average) is the sum of all values divided by the count of values.
Mean = Sum of all values ÷ Number of values
- Add all numbers together.
- Count how many numbers there are.
- Divide the total sum by the count.
Frequently Asked Questions
What is the difference between mean, median, and mode?
Mean is the average. Median is the middle value when sorted. Mode is the most frequently occurring value.
How do outliers affect the average?
Outliers (very high or low values) can pull the mean significantly. The median is less affected by outliers.