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// a sandbox of 376 sharp tools

Every little generator
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QR, barcodes, bcrypt hashes for PHP, UUIDs, JWT decoders, color palettes — fast, local, no signup. Search the sandbox and start.

Standard Deviation Calculator

Generators · tool

Standard Deviation Calculator

Mean, variance, std dev.

Sample std. deviation (s)

5.2372

Population std. deviation (σ)

4.899

Mean

18

Median

18.5

Sample variance

27.4286

Count

8

Sum

144

Min / Max

10 / 23

Range

13

// about the sandbox

The small utilities you need,
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Every generator runs entirely in your browser. Your inputs never leave the page — no servers, no logging, no tracking pixels. Open the tool, get the thing, close the tab.

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