Data Summary Calculator

Q: Can I use decimals and negative numbers?

Yes. The calculator supports decimals and negative values.

Q: What does the range mean?

Range = Maximum − Minimum. It shows how spread out your data is.

Q: What separators can I use?

You can separate numbers with commas, spaces, or new lines.

Q: How do I copy the results?

After generating the summary, use the Copy Summary button to copy the results into Excel, Google Sheets, or any document.

Generate a quick statistical summary of numeric data — count, sum, average, min/max, and range.

💡 Paste your numbers below (comma/space/new line). You’ll get an instant summary you can copy into Excel, Google Sheets, Notion, or a report.

✔ 100% browser-based — nothing is uploaded or saved.

Tip: You can paste one value per line. Decimals and negatives are supported (e.g., -3.5, 12.2).

Count: —

Sum: —

Average: —

Minimum: —

Maximum: —

Range: —

Enter numbers separated by commas or spaces. Results are calculated instantly.

Example

Input: 10, 15, 20, 25, 30 → Count = 5 → Sum = 100 → Average = 20.00 → Minimum = 10 → Maximum = 30 → Range = 20

Example with decimals and negatives

Input: -3.5 2 2.5 10 → Count = 4 → Sum = 11.00 → Average = 2.75 → Minimum = -3.5 → Maximum = 10 → Range = 13.50

What is a data summary?

A data summary provides a quick overview of a dataset by calculating key statistics like total count, sum, average, min, max, and range.

When is a data summary useful?

Use a summary when you want a fast sanity check before building charts, comparing datasets, cleaning messy inputs, or pasting results into a spreadsheet. It’s also useful for quick reporting (e.g., “average”, “min/max”, and “range” in one click).

Why use this data summary calculator?

It helps you instantly understand numeric datasets without needing spreadsheets, formulas, or coding.

Next steps after summarizing your data

If your list contains non-numeric characters or separators you want to fix first, try CSV Cleaner. If you want deeper metrics (like variance or distribution stats), use Statistics Tool. If your columns are on very different scales, normalize them with Data Normalization.

How does it work?

Enter numbers separated by commas or spaces. The calculator filters valid numbers and performs quick calculations directly in your browser.

Frequently Asked Questions

Is my data saved or uploaded?

No. Everything is calculated locally in your browser. Your data never leaves your device.

Can I use decimals and negative numbers?

Yes. The calculator supports decimals and negative values accurately.

What does the range mean?

Range = Maximum - Minimum. It shows how spread out your data is.

What separators can I use?

Commas, spaces, or new lines all work. Example: 10 20 30 or 10,20,30.

Why do I see no results?

If no valid numbers are detected, the summary stays blank. Remove letters/symbols and try again. If you’re working with structured rows/columns, try Data Visualization Tool.

How do I copy the results?

Click Copy Summary to copy a clean text summary you can paste into docs, emails, or spreadsheets.