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.
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Step 1. Enter numbers separated by commas, spaces or newlines (e.g. 10, 20, 30).
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Step 2. The mean, median, mode, sum, count, min/max and range update instantly.
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Step 3. Use the copy button on any result row to copy the value to your clipboard.
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Step 4. All math runs locally — your numbers never leave the browser.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about average calculator.
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