Google Ads Call Tracking: How to Measure Phone Leads Properly
Why call tracking matters for local businesses
A homeowner with a burst pipe does not fill in a form. They call. The same goes for locksmiths, towing, HVAC repair, dental emergencies and most legal enquiries. For many local businesses, more than half of all leads from Google Ads are phone calls.
If calls are not tracked:
- Google Ads sees only form submissions, so it optimizes for the wrong thing and may cut the keywords that actually make the phone ring.
- You cannot see cost per lead, only cost per click.
- Smart bidding strategies such as Maximize Conversions or Target CPA have too little data to work well.
- You end up judging the account on gut feel.
The three types of calls to track
| Call type | Where it comes from | How to track it |
|---|---|---|
| Calls from ads | Someone taps the phone number or call button in your ad (call asset or call-only ad) | Call conversion “Calls from ads” with a Google forwarding number |
| Calls from your website | Someone clicks your ad, visits your site, then dials the number on the page | Website call conversion with a Google forwarding number shown on your site |
| Clicks on your number | Someone taps a click-to-call link on your mobile site | A click conversion on the tel: link (counts taps, not completed calls) |
Your Business
yourbusiness.ca › emergency-plumber
Emergency Plumber Calgary | 24/7, 60-Minute Arrival | Upfront Pricing
Licensed plumbers on call now. Burst pipes, drain clogs and water heaters. Call for a free quote.
Step 1: Track calls from your ads
- Add a call asset with your business number at the account or campaign level. Schedule it for the hours someone answers the phone.
- In Goals → Conversions, create a conversion action for Phone calls → Calls from ads using call assets or call-only ads.
- Set a minimum call length. 60 seconds is a common starting point. Some trades use 90–120 seconds if booking calls are longer.
- Set the value. Use an average lead value, or leave it and import real values later.
- Turn on call reporting so Google shows a forwarding number and records call details: time, duration, area code and whether it was answered.
Step 2: Track calls from your website
Many people click the ad, look at your website, then call. To count those calls:
- Create a conversion action for Phone calls → Calls to a phone number on your website.
- Install the Google tag on your site, plus the phone snippet Google provides, or set it up in Google Tag Manager.
- The script swaps your number for a Google forwarding number, only for visitors who arrived from an ad.
- Set the same minimum call length.
Test it: click your own ad (or use the preview tool), check that the number changes, and make a test call. Then confirm it appears in Google Ads the next day.
Step 3: Track clicks on your phone number
On mobile, tap-to-call links (tel: links) are common. You can track taps as a conversion in Google Tag Manager or with a click event. But a tap does not always mean a completed call. Some people tap and hang up.
Use tap tracking as a secondary conversion if you already have website call conversions, so you do not count the same call twice. If you cannot use forwarding numbers, tap tracking is better than nothing.
Google’s tools vs. third-party call tracking
Google’s built-in call tracking
- Free
- Forwarding numbers for ads and website
- Call length, time, area code
- Works directly with Google Ads bidding
- No recordings, limited detail
- Google Ads only
Third-party call tracking
- Monthly fee
- Call recordings and transcripts
- Keyword-level and source-level data
- Tracks Google, Facebook, SEO, print
- Mark calls as qualified or booked
- Send conversions back to Google Ads
Popular options include CallRail and CallTrackingMetrics. Many CRMs, including GoHighLevel, have call tracking built in. Third-party tools make it easy to see which calls were real leads, which were existing customers and which were spam.
Step 4: Measure booked jobs, not just calls
- Use a CRM or call tracking tool to mark each call as qualified, booked or not a lead.
- Import the results into Google Ads as offline conversions, using the call tracking tool’s integration or the Google Click ID (GCLID) from forms.
- Make booked jobs the primary conversion once you have enough of them, and keep raw calls as secondary.
Form: Water heater replacement
“Hi {{contact.first_name}}, thanks for your request! We’ll call you in the next few minutes.”
Text + email to the on-call team
Pipeline: New leads › Stage: Contacted
If no call is logged, send a reminder
Example workflow. The lead gets a text within seconds, and your team is alerted before the lead has closed Facebook.
Common call tracking mistakes
- Counting every call, even 5-second hang-ups. Set a minimum call length.
- Counting the same call twice, for example as a tap and as a website call. Choose one as primary.
- Missed calls. Call tracking shows how many calls go unanswered. If you run ads while nobody answers, you are paying for lost leads.
- Existing customers counted as new leads. A third-party tool helps separate them.
- Phone number in an image, which cannot be swapped.
- Different numbers everywhere on your Google Business Profile and directories. Use tracking numbers only where you can measure them, and keep your main number consistent for local SEO.
Call tracking checklist
Set up call tracking properly:
- Call asset added, scheduled for open hours
- “Calls from ads” conversion action with a minimum call length
- Website call conversion with number swapping, tested
- Phone number on the site is text, not an image
- Tap-to-call tracking set as secondary (if used)
- Missed calls and after-hours calls reviewed weekly
- Calls marked as qualified or booked in a CRM or call tracking tool
- Booked jobs imported back into Google Ads
See the full conversion tracking checklist, or learn about our conversion tracking setup service.
Frequently asked questions
Can Google Ads track phone calls?
Yes. Google Ads can track calls from call assets and call-only ads, calls to a forwarding number on your website, and taps on phone numbers on mobile sites.
What is a Google forwarding number?
A number Google shows in place of your own that forwards calls to your real number. It lets Google count calls, their length and which campaign they came from.
What minimum call length should I use?
Sixty seconds is a common starting point for local services. Choose a length that separates real enquiries from hang-ups and wrong numbers for your business.
Do I need CallRail or a third-party tool?
Not always. Google’s built-in tracking is free and works well. Third-party tools add call recordings, source tracking across channels and easy import of booked jobs.
Will call tracking numbers hurt my local SEO?
Not if you keep your main number consistent on your Google Business Profile and directories. Dynamic number swapping on your website only affects visitors from ads.