# Create Laytime Calculations

From the "Related" tab in the voyage drawer, you can view, add, and edit [Laytime calculations](https://docs.dataloy.com/release-8.19/voyage-management-system/step-by-step-guides/operations/laytime-calculations/maintain-laytime-calculation) *(Figure 1)*. Expand the collapsible section titled **Laytime Calculation** and click the (+) button to add a laytime calculation for the opened voyage.

<figure><img src="https://content.gitbook.com/content/3UIWnAZbr912u8oC0K5A/blobs/yBKOLd6rYrkVtGIR3OpH/Screenshot%202025-05-21%20at%2013.07.54.png" alt=""><figcaption><p>Figure 1. Create Laytime Calculation</p></figcaption></figure>