How it works
Fill in the 4 fields above and T-Score Calculator calculates the result instantly, recalculating as you change any value. It applies the formula t = (x̄ − μ) / (s/√n). The math runs locally in your browser — nothing is sent to a server.
Formula
t = (x̄ − μ) / (s/√n)Examples
- Sample mean 105, Population mean 100, Sample std dev 15 → T-score: 1.67
Frequently asked questions
How do I use the T-Score Calculator?
Enter your values in the 4 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
What formula does the T-Score Calculator use?
It uses t = (x̄ − μ) / (s/√n). The calculation is performed in your browser using standard, well-established math for accurate results.
Is my data private?
Yes. The T-Score Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the T-Score Calculator free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on statistics and the rest of the platform, you can use it as often as you like.
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