Is Statistics Calculator free?

Yes, completely free with unlimited calculations and no registration required. All features are available at no cost.

What is the difference between mean, median, and mode?

Mean is the average of all values. Median is the middle value when sorted. Mode is the most frequently appearing value. Each measures central tendency differently and suits different data types.

How many numbers can I calculate at once?

You can input up to 10,000 data values in a single calculation. The tool processes large datasets instantly without slowdown.

What is standard deviation?

Standard deviation measures how spread out your data is from the average. Lower values mean data clusters tightly around the mean; higher values indicate more variation.

Does Statistics Calculator work on mobile?

Yes, it works perfectly on iPhone, Android, iPad, and desktop. The interface automatically adjusts to your screen size.

Yes. All calculations happen in your browser. Your data never leaves your device and is never stored on our servers.

What data formats are supported?

Enter numbers separated by commas, spaces, or line breaks. Supports integers, decimals, and negative numbers. Copy-paste from spreadsheets works directly.

Can I calculate statistics for grouped data?

This tool calculates raw data statistics. For grouped frequency distributions, enter each value repeated by its frequency count.

simple

Statistics Calculator — simple

Calculate mean, median, mode, and standard deviation.

Enter numbers (comma, space, or newline separated)

How to use Statistics Calculator

Enter Your Data Values

Click the 'Input Data' field and type your numbers separated by commas (e.g., 10, 15, 20, 25). You can paste up to 10,000 values. Press Tab or click outside the field to register your entries.

Select Statistics to Calculate

Check the checkboxes next to Mean, Median, Mode, and Standard Deviation. All four are selected by default. Uncheck any metric you don't need to streamline your results.

Click Calculate Button

Press the blue 'Calculate' button below the data field. Results appear instantly in the 'Results' panel to the right, displaying each statistic with two decimal precision.

Copy or Download Results

Click 'Copy Results' to copy all statistics to clipboard, or click 'Download CSV' to export your data and calculations as a spreadsheet file.

Frequently Asked Questions

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