# Create Laytime Calculations

From the "Related" tab in the voyage drawer, you can view, add and edit [laytime calculations](https://docs.dataloy.com/release-6.16/voyage-management-system/step-by-step-guides/laytime-calculations). Expand the collapsible section titled **Laytime Calculation** and click the <img src="https://697901865-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVyWYT6GQ4usHD0nNNsUc%2Fuploads%2FZkyl1uZht0IvdAUNPYR3%2Fcreate-24px.svg?alt=media&#x26;token=a9c70e79-3e72-4564-b8dd-22a0c4060247" alt="" data-size="line">**Create** button to add a laytime calculation for the opened voyage.