> ## Documentation Index
> Fetch the complete documentation index at: https://cal.id/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Set Multiple Durations

> Offer several meeting lengths within a single Cal ID event type and let bookers pick the duration they need without creating separate event types.

Offer several meeting lengths within a single event type and let bookers pick the one they need. In **Cal ID**, you don't have to create multiple separate events just to offer different durations—**Multiple Durations** lets your guests decide how much time they need before choosing a time slot.

## Offering multiple durations

This feature allows a single event type to have multiple time options (for example: 15, 20, and 60 minutes). The guest picks the length that suits them best before choosing a time slot.

### Why use multiple durations?

* **Cleaner Profile:** Keep your booking page simple by grouping different time options under one event.
* **Guest Flexibility:** It gives the booker the power to choose exactly how much of your time they need.

## How to set it up

<Steps>
  <Step title="Go to Event Types">
    Click on **Event Types** in the left sidebar.
  </Step>

  <Step title="Select an Event">
    Click on the event you want to edit (e.g., "Interview").
  </Step>

  <Step title="Enable Multiple Durations">
    Scroll down to the **Duration** section. Switch the toggle for **"Allow booker to select duration"** to **ON** (it will turn blue).

    <Frame>
      <img src="https://mintcdn.com/cal-id-docs/sKullsnr0kttqH1B/images/event-types/multiple-durations-1.png?fit=max&auto=format&n=sKullsnr0kttqH1B&q=85&s=31d3d2dc8fb8305ece2db962f06db2f6" alt="Allow booker to select duration toggle" width="1499" height="797" data-path="images/event-types/multiple-durations-1.png" />
    </Frame>
  </Step>

  <Step title="Add Your Options">
    In the **Available durations** field, select or type the different lengths of time you want to offer (e.g., 5 mins, 15 mins, 20 mins, 60 mins).
  </Step>

  <Step title="Set a Default">
    Choose a **Default duration** from the dropdown menu. This is the time length that will be pre-selected for the guest.
  </Step>

  <Step title="Save">
    Click the **Save** button at the top of the page.

    <Frame>
      <img src="https://mintcdn.com/cal-id-docs/sKullsnr0kttqH1B/images/event-types/multiple-durations-2.png?fit=max&auto=format&n=sKullsnr0kttqH1B&q=85&s=e718bd0aeca7a72eb7e6439c210e1d52" alt="Available durations and default duration" width="1497" height="793" data-path="images/event-types/multiple-durations-2.png" />
    </Frame>
  </Step>
</Steps>

## How it looks for the booker

When a guest visits your booking link, they will see your list of available durations. Once they select a duration, the calendar will automatically update to show only the time slots that can fit that specific meeting length.

<Frame>
  <img src="https://mintcdn.com/cal-id-docs/sKullsnr0kttqH1B/images/event-types/multiple-durations-3.png?fit=max&auto=format&n=sKullsnr0kttqH1B&q=85&s=1c0fb34e100eb0f39ae49c0a5199f622" alt="Duration options on the booking page" width="1495" height="731" data-path="images/event-types/multiple-durations-3.png" />
</Frame>

## Important things to know

* **Smart Availability:** If a guest picks a 60-minute meeting, Cal ID will automatically hide any smaller gaps in your schedule that aren't long enough for a full hour.
* **Easy Management:** You can quickly add or remove duration options at any time by clicking the "x" next to a time in the **Available durations** list.

<Tip>
  Set your **Default duration** to the length most guests will want. It's pre-selected on the booking page, so a well-chosen default means fewer clicks for the common case.
</Tip>


## Related topics

- [Set Event Location](/docs/event-types/setup/location.md)
- [How to set Availability for an Event type?](/docs/event-types/setup/event-availability.md)
- [Limit total Booking Duration](/docs/event-types/limits/total-duration.md)
- [Editing Event Type Details (Title, URL, & Language)](/docs/event-types/basics/edit-details.md)
- [Custom or Fixed Time-Slot Intervals](/docs/event-types/limits/time-slot-intervals.md)