Free online developer tool

Mean Calculator

Compute exact Arithmetic Mean (average), Geometric Mean, Harmonic Mean, variance, and sample standard deviation for any set of numbers.

How It Works

Paste dataset numbers into the calculator. It computes the arithmetic mean ($\\bar{x} = \\frac{\\sum x}{n}$), total sum, and count instantly.

Input Dataset

Numbers (Separated by commas or spaces)

Arithmetic Mean (Average)

25.0000

Sum = 175.00 across 7 values

Geometric Mean

22.7458

Harmonic Mean

20.3742

Std Deviation (s)

10.8012

Variance (s²)

116.6667

How to use the Mean Calculator

Calculate Arithmetic, Geometric, and Harmonic Means along with standard deviation. Yuitility keeps the workflow fast and focused, so you can complete the job without creating an account.

1Add the text, values, or data you want to work with.
2Adjust the available settings and review the live result.
3Copy, export, or save the finished result when you are ready.

Mean Calculator FAQ

Frequently asked questions about calculation formulas, privacy, and usage.

What does the Mean Calculator do?

The Mean Calculator processes your inputs directly in your web browser to perform fast calculations, transformations, or data formatting without external tools.

Is the Mean Calculator free to use?

Yes. Yuitility provides the Mean Calculator 100% free with no account creation, no usage caps, and no subscription fees.

Does the Mean Calculator upload my files or personal data?

No. All file processing, image conversion, and data math execute locally on your device. Your data never leaves your browser window.

Can I use the Mean Calculator offline?

Yes. Once the page is loaded, the client-side JavaScript execution code remains active in memory, allowing offline use without an active internet connection.