Source
Statistical method & guardrails — found from sitemap — VWO
Checked for VWO on 1 Oct 2026
- Page
- https://wingify.com/tools/ab-test-sample-size-calculator/
- Checked
- 1 Oct 2026, 10:56 UTC
- How we may use it
- Public page, crawling permitted
Technical details
- type
- page
- http status
- 200
- content hash
- sha256:e169e8c3d068ff7058fedc7855d54ce14e476f2e9c86d5eb5f5562bc21969542
- permission
- robots_ok
- screenshot
- Screenshot on file (internal exhibit, not published)
Cited by
Facts read from this source
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Calculator purpose Report an error
“Estimate required duration and sample sizes for different statistical configurations with Wingify's free calculator.”
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Metric types Report an error
“% Conversion Rate Choose this to measure success/failure metrics like conversions, clicks, or sign-ups $ Revenue Choose this to analyse revenue-based metrics like average order value (AOV), revenue per user, etc.”
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Testing objectives Report an error
“Testing Objective Better Better or Equivalent Region of Practical Equivalence (ROPE)”
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Stats engine Report an error
“Note: The calculator is designed for Wingify's enhanced SmartStats engine. To get estimates using the classic stats engine, please use this calculator instead.”
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Smartstats type Report an error
“Say hello to enhanced SmartStats - our Bayesian-powered sequential testing engine”
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Experiment health monitoring Report an error
“Plus, SmartStats tracks your experiment’s health—monitoring minimum run-time, data tracking, and more—while alerting you to errors for quick corrective action.”
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Statistical parameters Report an error
“Explore advanced statistical parameters such as ROPE, MDR, FPR Dive deeper into Sequential Testing, Bonferroni Correction, Fixed Horizon Test”
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Statistical modes Report an error
“Pick between improvement and non-inferiority modes”
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Rope input Report an error
“Region of Practical Equivalence (ROPE) %”
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Example calculation Report an error
“To detect a change in conversion rate from 10 % to a target of 12 % , your campaign needs to run for approximately 21 days (or ~ 3 weeks) with your current traffic and statistical settings.”
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