Statistics Calculators

Median Calculator

Use this median calculator to summarize a data set for median. The page returns median plus supporting values for count, lower middle value, and upper middle value; check the assumptions before reusing the result.

Primary answer: Median
Inputs to verify: Values
Use type: Use as a direct calculation check.
Keyword intent: median calculator

Result

Result reflects the current submitted inputs.

Risk A
Reviewed 2026-05-26
2 sources

Median5

Count5

Lower middle value5

Upper middle value5

All entered values have equal weight.
Input order does not matter because values are sorted before selecting the middle value.
Grouped or frequency-table medians are out of scope.

Accuracy notes

Risk level: A
Reviewed: 2026-05-26
Sources: 2
Primary result: Median

Formula logic is kept in a pure calculator module with fixtures, source notes, and page-visible assumptions.

What the result means

Use Median as the headline answer for median. Read the center or spread metric first, then compare count, minimum, maximum, and sample/population notes. Use count, lower middle value, and upper middle value to explain why median moved when an input changed. Review the raw values and decide whether outliers or missing data should be handled before reporting the result. Check sample versus population mode, separators, missing values, outliers, and rounding precision before treating the result as final.

MedianDisplayed as decimal.

CountDisplayed as integer.

Lower middle valueDisplayed as decimal.

Upper middle valueDisplayed as decimal.

Use the result this way

Start with Median, then use supporting outputs only to explain the primary answer.
Verify values before copying the result.
Check separators in pasted text so every value is parsed as intended.
Review the raw values and decide whether outliers or missing data should be handled before reporting the result.

User job

How to use this calculator

Use Median Calculator when you need median, then use count and lower middle value to check the context for data review, classwork, quality checks, and quick descriptive summaries.

Best for

Summarizing a list of values
Checking spread, center, or sample assumptions
Reviewing a default example before entering your own values.

Check before relying

Confirm whether the data is a sample or population and whether outliers should stay in the list.
All entered values have equal weight.
Input order does not matter because values are sorted before selecting the middle value.
Source context: National Institute of Standards and Technology, reviewed 2026-05-26.

Next useful step

Mean Median Mode Range CalculatorUse next when the data-summary task needs mean instead of median.
Statistics CalculatorUse next when the data-summary task needs count instead of median.
Average CalculatorUse next when the data-summary task needs average instead of median.

Formula

Median is the middle value of the sorted data set, or the mean of the two middle values when the count is even. Key assumptions: All entered values have equal weight. Input order does not matter because values are sorted before selecting the middle value. Grouped or frequency-table medians are out of scope.

Median is the middle value of the sorted data set, or the mean of the two middle values when the count is even.
All entered values have equal weight.
Input order does not matter because values are sorted before selecting the middle value.
Primary source context: National Institute of Standards and Technology.

Inputs

Enter values for data review, summaries, quality checks, and classwork. Before calculating, check separators in pasted text so every value is parsed as intended. Values: Separate values with commas, spaces, or line breaks.

ValuesSeparate values with commas, spaces, or line breaks.

Example

Using the default inputs, Median Calculator returns median of 5. Adjust values to match your own scenario.

FAQ

How is median calculated here?

Median is the middle value of the sorted data set, or the mean of the two middle values when the count is even. The first assumption to check is: All entered values have equal weight.

What does Median mean for median?

Read the center or spread metric first, then compare count, minimum, maximum, and sample/population notes. Secondary values such as count, lower middle value, and upper middle value are there to explain the primary answer, not to replace it.

What should I enter for Values?

Separate values with commas, spaces, or line breaks. Check separators in pasted text so every value is parsed as intended.

What can make the median answer change?

The answer can change when inputs, units, rounding, or source assumptions change. Compare sample versus population mode, separators, missing values, outliers, and rounding precision.

Why does the median example show 5 for median?

The default inputs produce 5 for median. Treat that as a format and scale check, then replace every default value with your own inputs.

What should I check before reporting median?

Confirm how the values were parsed, whether the data is a sample or population, and whether outliers or missing values should stay in the set.

Sources

Last reviewed: 2026-05-26

Reviewed 2026-05-26
NIST/SEMATECH e-Handbook of Statistical Methods: Measures of LocationNational Institute of Standards and Technology. Median definition for odd and even counts after sorting values.
Scope
General univariate descriptive statistics.
Supports
Median definition for odd and even counts after sorting values.
Reviewed 2026-05-26
NIST Dictionary of Algorithms and Data Structures: medianNational Institute of Standards and Technology. Median as the middle value, or the mean of the two middle values for even-length lists.
Scope
Concise definition of median and even-count middle-pair handling.
Supports
Median as the middle value, or the mean of the two middle values for even-length lists.

Median Calculator