In this article, we explain how the timer function for Google Slides works, share how to incorporate timers into your presentations and explain why doing so may be beneficial. Learning how to incorporate outside tools in Google Slides to add a timer to your slides can help you give professional presentations according to a precise outline. Some types of presentation programs have built-in timer functions, while others require you to use outside tools to track your time and finish your presentations on schedule. When giving a slide presentation, it can be useful to know how long you're spending on each section.