# niAnalytics Sample Size and Power Calculator

Below we have provided a free sample size and power calculator for all to use. This calculator performs five of the most frequently used calculations and is provided as is without warranty. If you require additional calculations or professional biostatistical services please contact us and we will be more than happy to help you.

## Choose your test

##### Contact us:

Calculator | About us | Terms And Conditions | © niAnalytics 2020. All Rights Reserved.

Webdesign: GLE studio