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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 separate events to offer different durations — Multiple Durations lets your bookers decide how much time they need before choosing a time slot.

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Offering multiple durations

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

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Why use multiple durations?

  • Cleaner profile: Keep your booking page tidy by grouping different time options under one event.
  • Booker flexibility: The booker chooses exactly how much of your time they need.

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How to set it up

1

Go to Event Types

Click on Event Types in the left sidebar.
2

Select an Event

Click on the event you want to edit (e.g., “Interview”).
3

Enable Multiple Durations

Scroll down to the Duration section. Switch the toggle for Allow booker to select duration to ON (it will turn blue).
4

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).
5

Set a Default

Choose a Default duration from the dropdown menu. This is the time length that will be pre-selected for the booker.
6

Save

Click the Save button at the top of the page.
Duration section of the Setup tab with the Allow booker to select duration toggle on, several lengths listed under Available durations and a Default duration chosen

Offering more than one meeting length

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How it looks for the booker

When a booker 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.
Booking page listing the available durations as selectable options above the calendar, with the default duration highlighted

Picking a length before a time

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Important things to know

  • Smart Availability: If a booker 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.
  • Quick edits: You can add or remove duration options at any time by clicking the “x” next to a time in the Available durations list.
Set your Default duration to the length most bookers will want. It’s pre-selected on the booking page, so a well-chosen default means fewer clicks for the common case.

Set Event Location

Choose where each meeting happens, from video to in-person.

Set Event-Type Availability

Control which hours are bookable for this event.

Time-Slot Intervals

Set how often start times appear, independent of duration.

Limit Total Booking Duration

Cap the total hours this event can be booked for.

Related topics

Set Event LocationSet Event-Type AvailabilityLimit Total Booking DurationEdit Event Type DetailsTime-Slot Intervals