Power Analysis

Calculate sample size or statistical power for your clinical trial.

Important use limitation

This platform supports trial planning and exploratory analysis. It does not provide statistical advice. A clinical statistician must confirm final calculations before they are used in a study protocol.

You are responsible for confirming that input data are accurate, complete, and suitable for the selected analysis. A completed calculation does not validate data quality.

Step 1 of 3

Pick Design

Choose a trial design

Select the clinical trial design that matches your study protocol.

Select a design to continue