How to Track Conversions in Google Analytics 4

Tracking the actions that matter most to your business is the entire point of web analytics. In Google Analytics 4, these key actions are called conversions, and setting them up is quite different from how it worked in Universal Analytics. This guide gives you a straightforward walkthrough of what conversions are in GA4 and the exact steps to track them, whether you're using the built-in interface or Google Tag Manager.

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What Counts as a Conversion in GA4?

The biggest change in Google Analytics 4 is its data model. While Universal Analytics was built around sessions and pageviews, GA4 is built around events. Everything a user does - from viewing a page to clicking a button to making a purchase - is tracked as an event.

This fundamentally changes what a conversion is. In the old system, you had to configure specific "Goals" based on rules like destination URLs or session duration. In GA4, a conversion is simply an important event that you've flagged for tracking. You're not creating a new type of hit, you're just telling Google, "Hey, this particular event is a big deal for my business."

This event-based approach offers much more flexibility for tracking what truly matters. Common conversions include:

• An e-commerce purchase (the purchase event)
• A lead form submission (a custom event like generate_lead)
• A free trial signup (a custom event like start_trial)
• A newsletter subscription
• Clicking a specific call-to-action button

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Method 1: Mark an Existing Event as a Conversion

This is the easiest way to start tracking conversions in GA4. Google automatically collects and recommends several important events out-of-the-box. Your job is to simply tell GA4 which of these events you consider a conversion.

For example, if you have an e-commerce store and have set up proper e-commerce tracking, GA4 will automatically record a purchase event. If your site’s CMS or marketing plugins are integrated with GA4, they might automatically send events like generate_lead or sign_up. You just need to flip a switch.

Step-by-Step Instructions

1. Log in to your Google Analytics 4 property.
2. In the bottom-left corner, click on Admin (the gear icon).
3. In the Property column, navigate to Data Streams > Events.
4. You'll see a list of all events that GA4 has collected from your site in the selected time period. Find the event you want to treat as a conversion (for example, purchase).
5. On the right side of that event row, you'll see a toggle switch under the "Mark as conversion" column. Click it to turn it on.

That's it. Within 24 hours, GA4 will start populating your conversion reports with data for that event. This method is perfect for automatically collected or recommended events that already align with your business goals.

Method 2: Create a New Conversion Event within the GA4 Interface

What if the event you want to track doesn't exist by default? The most common example is tracking visits to a "thank you" or confirmation page after a form submission. While a simple page view isn't a conversion, a page view of /thank-you-for-your-order definitely is.

You can create a new event directly in the GA4 interface based on the parameters of other existing events - no coding required.

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Step-by-Step Instructions

1. Go to Admin > Data Streams > Events and click the Create event button.
2. In the Custom event name field, give your new event a clear, descriptive name. Use snake_case (all lowercase words connected by underscores), for example: contact_form_success.
3. Under Matching Conditions, you'll define the rules for when this new event should fire. For our "thank you" page example, you'll set two conditions:
4. Click Create.

Very Important Final Step: Creating the event definition is only half the battle. This new event will now start appearing in your events list whenever its conditions are met. You must wait for it to appear (which may take up to 24 hours) and then follow the steps from Method 1 to mark your new event (e.g., contact_form_success) as a conversion.

Method 3: Set Up Custom Conversions with Google Tag Manager

While the GA4 interface works for simple cases, Google Tag Manager (GTM) gives you the most power and flexibility. With GTM, you can track almost any user interaction as an event - from specific button clicks to form submissions that don't have a unique "thank you" page.

This process has two parts: defining the user action (the Trigger) and telling GA4 about it (the Tag).

Example: Tracking a Button Click Conversion

Let's say you want to track how many people click your "Request a Demo" button.

Step 1: Configure the Trigger in GTM

1. In GTM, navigate to Triggers and click New.
2. Give the trigger a name, like "Demo Button Click Trigger".
3. Click Trigger Configuration and choose the trigger type Click - Just Links or Click - All Elements.
4. Select "Some Clicks" to specify which button to track.
5. Set the firing condition. From the dropdown, you might choose Click Text contains Request a Demo. For better accuracy, use a unique identifier like the button's Click ID (e.g., demo-button-cta). You may need to enable these click variables under the Variables section if you don't see them.
6. Save your trigger.

Step 2: Create the Tag in GTM

1. Navigate to Tags and click New.
2. Give your tag a descriptive name, like "GA4 Event - Demo Request".
3. Click Tag Configuration and select Google Analytics: GA4 Event.
4. For the Configuration Tag, select your main GA4 configuration tag (the one that sends hits to your property).
5. For the Event Name, enter a custom event name using snake_case, such as request_demo_click. This is the name you will see in your GA4 reports.
6. Now, click on Triggering and select the trigger you just created ("Demo Button Click Trigger").
7. Save your tag, and then click Submit and Publish in the top right to make your changes live.

Finally, just like with Method 2, after GTM starts sending this new request_demo_click event, you need to go into the GA4 Admin panel, find it in the events list, and mark it as a conversion.

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How to Verify and View Your Conversion Data

Once you've set up your conversions, you need to confirm they are working and see the results.

• Real-time Verification: In GA4, go to Admin > Data Streams > DebugView. In another browser tab, visit your website with the GTM preview mode enabled or the GA Debugger extension turned on. As you perform the conversion action (e.g., click the button, submit the form), you should see the event appear in DebugView in real-time. Events marked as conversions will appear with a green flag icon.
• Conversion Reports: After about 24-48 hours, conversion data will start showing up in your reports. You can find it in Reports > Engagement > Conversions for a summary, or in acquisition reports like Reports > Acquisition > Traffic acquisition to see which marketing channels are driving the most conversions.

Final Thoughts

Moving from Universal Analytics Goals to GA4's event-based conversions can feel tricky at first, but it opens up a far more flexible and powerful way to measure what truly drives your business. By marking default events, creating new ones in the GA4 interface, or using Google Tag Manager, you can build a reporting system that accurately reflects your business objectives.

Setting up conversion tracking is the first step, but the real challenge is connecting that data to your other platforms to see the full story. For instance, how do your Google Analytics conversions translate into actual sales in Shopify or qualified leads in Salesforce? At Graphed, we eliminate the need for manually pulling CSVs and wrestling with spreadsheets to answer these questions. Just connect your GA4, CRM, and ad platforms, and you can ask in plain English, "Show me which Facebook campaigns drove the most Shopify purchases last month." This gives you immediate, cross-platform insights so you can focus on making decisions, not on building reports.