Perform mathematical operations on lists of numbers with advanced features. Add, subtract, multiply, divide, find averages, and get detailed statistics. Supports multiple input formats and separators.
If any part of this tool is not working properly, please let us know.
Our advanced number list calculator is a powerful tool designed to perform mathematical operations on lists of numbers. Whether you're analyzing data, calculating totals, finding averages, or performing statistical analysis, this tool provides accurate results with detailed insights.
The calculator supports multiple input formats, automatic separator detection, and advanced statistical functions. All calculations are performed instantly in your browser, ensuring your data remains private and secure.
You can calculate Sum, Subtract (sequential), Multiply, Divide (sequential), Average, and full Statistics (min, max, mean, median, std dev) — perfect for data analysis, budgeting, or quick math.
No. All calculations happen 100% in your browser. Your numbers never leave your device — no tracking, no storage, no third-party access. Fully private and secure.
Nothing to install or register. Just open the page in any browser — desktop or mobile — and start calculating instantly. No login, no ads, no paywalls.
It’s sequential: Subtract = first number minus all others (e.g., 10 - 3 - 2 = 5). Divide = first number divided by all others (e.g., 100 ÷ 5 ÷ 2 = 10). Great for cascading calculations.
Yes. Auto-detect usually figures it out, or manually set any separator (",", ";", " ", "|", etc.). Paste from Excel, CSV, or text — it adapts to your format.
Enable “Ignore invalid numbers” to skip non-numeric entries (like “N/A” or typos). Stats show how many were valid/invalid — so you know exactly what was processed.
Yes. Handles decimals (3.14), negatives (-5), and large numbers with ease. Toggle “Allow decimal numbers” if you want to restrict to integers only.
Min, Max, Mean (average), Median, Standard Deviation, Count, and Sum — giving you a complete snapshot of your dataset’s distribution and central tendency.
Yes. Once loaded, all features work without internet. Ideal for secure environments or when calculating sensitive financial or research data locally.
Students, accountants, data analysts, researchers, developers, or anyone crunching number lists — whether for grades, expenses, metrics, or experiments. Personal or commercial use.
Yes. Free for any use — no license or attribution required. Many teams use it for quick data validation, report generation, or ad-hoc calculations in spreadsheets.
Contact us via support form. We welcome feedback — whether it’s adding percentile calculations, CSV export, formula history, or batch processing.