About the Median Calculator
Find the median (middle value) of any list of numbers, with the sorted data and step-by-step explanation.
Also known as: find the median, middle number, median of numbers, median value.
How to use this calculator
- Enter data set.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Odd n: median = x₍₍ₙ₊₁₎/₂₎ · Even n: median = (x₍ₙ/₂₎ + x₍ₙ/₂₊₁₎) / 2
Worked example
Using the values pre-filled in the calculator above:
- Data set: 7, 3, 9, 1, 5, 11
the calculator returns:
- Median: 6
- Sorted data: 1, 3, 5, 7, 9, 11
- Count: 6
Working
Even count (6): median = (value #3 + value #4) ÷ 2 = (5 + 7) ÷ 2 = 6