Result updated. Average / mean: 8.5.
Average result
Main result from the values entered.
Average / mean
The average of 4 numbers is 8.5. The median is 9.
Count
4
Sum
34
Median
9
Minimum
4
Maximum
12
Commas, spaces and line breaks are accepted.
How this average calculator works
The calculator parses numbers separated by commas, spaces or line breaks, then calculates the count, sum, mean, median, minimum and maximum from the valid values.
Mean vs median
Mean is the arithmetic average: sum divided by count. Median is the middle value after sorting the numbers, or the average of the two middle values when there is an even count.
What this calculator does not include
This calculator does not chart data, clean spreadsheets or calculate every statistics metric. Use the standard deviation calculator when you need that separate metric.
Key terms and assumptionsShort notes about mean, median, pasted number parsing and readable limits.
- Mean and median
- Mean is the arithmetic average. Median is the middle value after sorting the numbers.
- Input parsing
- Commas, spaces and line breaks can separate numbers. Invalid tokens are flagged.
- Readable limits
- The calculator caps very large pasted lists to keep the browser responsive.
- Summary only
- This calculator provides simple summary values, not charts or a full statistics suite.
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FAQs
How do I calculate an average?
Add the values together, then divide by how many values there are.
What is the difference between mean and median?
Mean is the arithmetic average. Median is the middle value after sorting the numbers.
Can I paste numbers from a spreadsheet?
Yes. The calculator accepts numbers separated by commas, spaces or new lines.
What happens to words or invalid entries?
Invalid entries are ignored and flagged clearly without breaking the calculation.
Does this calculate standard deviation?
No. Use the Standard Deviation Calculator for sample and population standard deviation.
Can I use negative numbers?
Yes. Negative numbers are included in the calculation.
Can I copy the result?
Yes. Copy result copies a compact summary.