Repeated mode
10, 12, 12, 15, 18, 21, 21, 21, 25Mean = 17.2222222222, median = 18, mode = 21, range = 15
Mean, Median, Mode, Range Calculator
Use this free mean, median, mode, range calculator to summarize a data set with the average, middle value, most frequent values, spread, sorted data, sum, count, min, max, steps, copy, and history.
Inputs to checkExample numbersCopyable answerTab-only history
Mean, median, mode, rangeMean 17.2222222222
- Mean
- 17.2222222222
- Median
- 18
- Mode
- 21
- Range
- 15
Steps
- Sort the data: 10, 12, 12, 15, 18, 21, 21, 21, 25.
- Add all values for sum 155 and divide by 9 to get the average.
- Use the middle value for the median and most frequent value for the mode.
- Subtract min 10 from max 25 for the range.
Recent answers
Recent answers will appear here.
Input tips
Separate values with commas, spaces, or new lines.
This version focuses on the four headline descriptive statistics.
How to use the Mean, Median, Mode, Range Calculator
- Enter the data set using commas, spaces, or line breaks.
- Press Calculate summary to see the mean, median, mode, and range.
- Review the sorted values to understand how the center and spread were found.
- Use examples, recent answers, or copy the answer while doing quick statistics checks.
What people use it for
Find the arithmetic mean, median, mode, and range from one pasted data set.
Check class scores, survey values, measurements, practice problems, and small samples.
See sorted values, sum, count, min, and max so the median and range are easy to verify.
Catch no-mode and multiple-mode data sets before copying the answer.
Copy the four headline descriptive statistics into notes, spreadsheets, homework, or reports.
Quick examples
No mode
4, 8, 15, 16, 23, 42Mean = 18, median = 15.5, no mode, range = 38
Exam scores
72, 84, 84, 90, 93Mean = 84.6, median = 84, mode = 84, range = 21
Two modes
3, 3, 5, 7, 7, 9Mean = 5.6666666667, median = 6, modes = 3 and 7, range = 6
Decimals and negatives
-2, 0, 1.5, 1.5, 4Mean = 1, median = 1.5, mode = 1.5, range = 6
Same value repeated
12, 12, 12Mean = 12, median = 12, mode = 12, range = 0
Need the guide or a nearby tool?
Need a slower walkthrough, a related calculator, or the full library? These links keep you close to the task you started.
- How to use the Mean, Median, Mode, Range CalculatorSee slower examples, input meanings, formula notes, result limits, and mistakes to avoid.
- CalculatorsBrowse related calculators and utilities in the same category.
- Calculator and utility guidesFind more guides that use real tool inputs and example numbers.
- All free toolsSearch every live tool, converter, calculator, AI helper, and browser utility.
Frequently asked questions
Quick answers about formulas, inputs, examples, result copying, and private in-browser history.
What does the Mean, Median, Mode, Range Calculator calculate?
It calculates mean, median, mode, range, sorted values, sum, count, min, and max for one list of numbers.
What is the mean?
The mean is the arithmetic average. Add all values, then divide the sum by the count.
What do the main Mean, Median, Mode, Range Calculator inputs mean?
The main inputs are the numbers, operation, mode, or known values the calculator needs. Keep units consistent, enter percentages the way the page label shows, and use the examples as a quick check before trusting the answer.
How should I read the Mean, Median, Mode, Range Calculator answer?
Read the headline answer, then check the supporting lines and examples to understand how the calculator got there. If one input changes, rerun the tool and compare the new answer instead of guessing.
What should I double-check before trusting the Mean, Median, Mode, Range Calculator?
Check units, signs, rounding, and the selected mode before copying the answer. If the number feels weird, rerun one of the examples first, then put your own values back in slowly.
What is the median?
The median is the middle value after the data is sorted. If there are two middle values, their average is the median.
What is the mode?
The mode is the most frequent value. A data set can have one mode, multiple modes, or no mode.
Can a data set have multiple modes?
Yes. If two or more values tie for the highest frequency, the calculator reports each tied mode.
What if every value appears once?
The calculator reports no mode when every value appears only once, because no value is more frequent than the others.
What is the range?
The range is the maximum value minus the minimum value. It is a quick spread check, but it only uses the two extremes.
What separators can I use?
You can separate values with commas, spaces, or line breaks. The calculator sorts the numeric values before finding the median and modes.
Can I use decimals and negative numbers?
Yes. Decimal values and negative values are supported as long as each entry is a valid number.
Why should I compare mean and median?
The mean uses every value, so very high or low outliers can pull it. The median is often steadier when a data set is skewed.
When should I use the full Statistics Calculator?
Use the full Statistics Calculator when you also need quartiles, IQR, variance, standard deviation, or a fuller spread summary.
Is my data history private?
Yes. Recent answers stay only in the current browser tab while you use the page. They are not sent to a server.