Average Calculator
Mean, median, mode, sum, range — instant statistics for any list of numbers.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Average Calculator
Follow these steps — everything happens instantly in your browser.
- 1
Step 1. Enter numbers separated by commas, spaces or newlines (e.g. 10, 20, 30).
- 2
Step 2. The mean, median, mode, sum, count, min/max and range update instantly.
- 3
Step 3. Use the copy button on any result row to copy the value to your clipboard.
- 4
Step 4. All math runs locally — your numbers never leave the browser.
Why use this tool
Frequently asked questions
Everything you might want to know about average calculator.
Z-Score Calculator
z = (x − μ) / σ — with percentile and tail probability.
Percentage Change Calculator
Percent increase or decrease between two values — with multiplier.
Grade Calculator
Weighted class grade from assignments, exams and categories.
Fibonacci Generator
Generate the first N Fibonacci numbers — arbitrary precision.