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A/B Test Significance Calc

Calculate the statistical significance of A/B test results. Enter visitors and conversions for variant A and B to see if your winner is statistically valid.

Browser-basedNo sign-upNo adsMost inputs process locally

Maintained by T1000 Tools · Site content last updated July 13, 2025

What is A/B Test Significance Calc?

A/B Test Significance Calc is a free, browser-based online tool. Calculate the statistical significance of A/B test results. Enter visitors and conversions for variant A and B to see if your winner is statistically valid. No account or installation is needed — open it and start using it immediately.

How to use A/B Test Significance Calc

Using this tool is simple:

  • ✓Open the tool — no sign-up required.
  • ✓Enter your input or configure the options.
  • ✓Your result is generated instantly.
  • ✓Copy or save the output as needed.

Why use A/B Test Significance Calc?

A/B Test Significance Calc is fast, private, and completely free. It runs in your browser without sending data to any server, works on any device, and requires no registration.

Frequently Asked Questions

How do I use A/B Test Significance Calc?
Calculate the statistical significance of A/B test results. Enter visitors and conversions for variant A and B to see if your winner is statistically valid. Just open the tool and start using it — no setup required.
Is A/B Test Significance Calc free?
Yes, A/B Test Significance Calc is completely free to use.
Does A/B Test Significance Calc work on mobile?
Yes, A/B Test Significance Calc is fully responsive and works on any smartphone or tablet.
Do I need to sign up?
No — A/B Test Significance Calc requires no account or registration.
Is my data private?
A/B Test Significance Calc is designed for browser-side processing, and T1000 does not store tool input on its servers.

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