Step by step
- Add all of your numbers together to find the total sum.
- Count how many numbers are in your list.
- Divide the sum by the count to get the arithmetic mean.
- Or paste your list separated by spaces or line breaks into the calculator above to see the average immediately.
At a glance
| Measure | How it works | Best for |
|---|---|---|
| Mean (average) | Sum of values divided by count | Evenly distributed numbers |
| Median | Middle value when sorted | Lists with extreme outliers |
| Sum | All values added together | Checking totals before dividing |
Related questions
How do I average 2 numbers?
Add the two numbers together and divide by 2. For example, the average of 14 and 20 is 34 divided by 2, which equals 17.
What is the difference between mean and median?
The mean adds all values and divides by how many there are, while the median is the middle value once sorted. A single very high or very low number pulls the mean, but not the median.
Can I paste a list of numbers from a spreadsheet?
Yes. You can paste a list of numbers separated by spaces or line breaks directly into the calculator, and it will compute the average, median, minimum, maximum, and sum.
Are my numbers saved or sent anywhere?
Your numbers are kept only in your browser so they remain there next time you visit. Nothing is sent to any server.
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Open the full average calculator →
Updated November 14, 2026.