A/B Test Sample Size Calculator
Estimate equal-size control and treatment groups from a baseline conversion rate, relative MDE, alpha, and power.
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Focused tools with transparent assumptions
Uplift & Retention Campaign ROI Calculator
Translate an estimated causal retention uplift into targeted customers, campaign cost, value, ROI, and break-even uplift.
Open calculatorRAG Evaluation Metric Selector
Build a deterministic, layer-specific metric stack for retrieval, generation, citations, review, and monitoring.
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Guidance and reusable resources
Use the Applied AI Evaluation Playbook to place metrics in a release workflow, or download ungated templates from the Resources Library.