Average Calculator
Calculate the mean, median, mode, range, sum, count, minimum and maximum of a list of numbers. Free online average calculator with instant results.
Enter some numbers to see the mean, median, mode and more.
- Mean, median and mode (including multiple modes)
- Range, sum, count, minimum and maximum
- Accepts comma, space and newline separated input
- Ignores blanks and handles negatives and decimals
- Live results as you edit the list
- 100% private β numbers never leave your browser
How to use the Average Calculator
- 1
Paste or type your numbers, separated by commas, spaces or new lines.
- 2
Read the mean, median and mode at the top.
- 3
Check the range, sum, count, minimum and maximum below.
- 4
Adjust the list to see every value update instantly.
- 5
Click Copy to grab the full summary.
About the Average Calculator
The ByteTools Average Calculator takes a list of numbers and returns the mean, median, mode, range, sum, count, minimum and maximum in one go. Separate your values with commas, spaces or new lines β the parser handles them all, so you can paste a column straight from a spreadsheet.
It is built for students, teachers, analysts and anyone summarising data quickly. Seeing the mean, median and mode side by side makes it easy to spot skew, outliers and the most common value in a dataset.
All statistics are computed in your browser with JavaScript. Your numbers are never uploaded, so the tool is private, instant and works offline. Copy the full summary with one click.
Frequently asked questions
What is the difference between mean, median and mode?
The mean is the sum divided by the count. The median is the middle value when the numbers are sorted. The mode is the value that appears most often. Comparing all three reveals whether a dataset is skewed or has a common value.
How is the median calculated for an even count?
When there is an even number of values, the median is the average of the two middle values after sorting. For 2, 4, 6, 8 the two middle numbers are 4 and 6, so the median is 5.
Can a list have more than one mode?
Yes. If several values tie for the highest frequency, the dataset is multimodal and the calculator lists every mode. If no value repeats, there is no mode and the tool says so.
What is the range of a dataset?
The range is the difference between the largest and smallest values, showing how spread out the data is. For 3, 7, 2, 9 the range is 9 β 2 = 7.
How do I enter my numbers?
Type or paste them separated by commas, spaces or new lines β you can mix separators freely. The parser skips empty entries and accepts negative numbers and decimals, so pasting a spreadsheet column works directly.
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