Average Calculator
Mean, median, mode and range from a list.
Enter your values
Enter the numbers (comma separated) you are working with.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Mean
- 14.571429
- Median
- 15
- Mode
- 15
- Range
- 13
- Sum / count
- 102 over 7 values
Working
- 1Sorted: 9, 11, 12, 15, 15, 18, 22
Quick answer
The mean is the sum divided by the count, the median is the middle value when sorted, and the mode is the most frequent value.
mean = Σx ÷ n
At a glance
| What it does | Mean, median, mode and range from a list. |
|---|---|
| Category | Statistics |
| Inputs needed | Numbers (comma separated) |
| Main output | Mean |
| Formula | mean = Σx ÷ n |
| Cost | Free — no sign-up, no download |
How to use the Average Calculator
- 1Paste or type your numbers separated by commas.
- 2Read mean, median and mode.
- 3Compare mean and median to spot skew.
Inputs explained
- Numbers (comma separated)
- Enter the numbers (comma separated) you are working with.
Worked example
Using the values the calculator loads with:
Inputs
- Numbers (comma separated)12, 15, 11, 18, 15, 22, 9
Results
- Mean14.571429
- Median15
- Mode15
- Range13
- Sum / count102 over 7 values
- Sorted: 9, 11, 12, 15, 15, 18, 22
Frequently asked questions
Mean or median?
Use the median when data is skewed or has outliers — house prices and salaries are classic cases where the mean misleads.
Can data have two modes?
Yes. Bimodal data has two equally frequent values, which often signals two distinct groups mixed together.
What do I need to enter into the Average Calculator?
Just 1 value: numbers (comma separated). Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Average Calculator work out the answer?
The mean is the sum divided by the count, the median is the middle value when sorted, and the mode is the most frequent value. It applies the formula mean = Σx ÷ n and shows the working so you can check each step by hand.
Is the Average Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.