# Create Laytime Calculations

From the "Related" tab in the voyage drawer, you can view, add and edit [laytime calculations](https://docs.dataloy.com/release-8.6/voyage-management-system/step-by-step-guides/laytime-calculations). Expand the collapsible section titled **Laytime Calculation** and click the <img src="https://content.gitbook.com/content/Tiyan8mQCJc6UrGHwouE/blobs/h8AYYzuSC14ojWoBesOX/create-24px.svg" alt="" data-size="line">**Create** button to add a laytime calculation for the opened voyage.