How to Measure Digital Billboard ROI — A Practical Guide

The “billboards can’t be measured” line is a decade out of date. Digital billboards are among the more measurable media you can buy — if you set up the measurement. Here’s a practical, non-technical guide to proving digital billboard ROI.

The principle: measure outcomes, not the screen

You can’t “track” a building — but you don’t need to. You measure what the digital billboard does: awareness, discovery, and action. All three are measurable with the right hooks, and digital billboards make it easier than static because they generate verifiable impressions.

The five methods that work

1. QR codes with UTM parameters. Put a unique QR on the creative. Every scan is directly attributable — tie it to website visits, downloads, and purchases. About 9 in 10 users engage QR codes weekly, so scans are real.

2. Footfall attribution. Match anonymized mobile location data from people exposed to your screen with the stores they later visit, comparing against a control group. This is the gold standard for brick-and-mortar.

3. Brand lift studies. Survey an exposed audience against an unexposed one on awareness, recall, and purchase intent — the method behind many published recall figures.

4. Search lift. Track branded search volume in the market during the campaign. Over half of consumers act on their phone after a DOOH ad — searching is the most common action.

5. Mobile retargeting. Serve follow-up mobile ads to phones near your screen — extending the campaign and proving exposure.

What the research says you’ll find

The effects are well documented:

• 76% of consumers take action after seeing a DOOH ad.
• Over half of consumers act on their phone — searching, visiting, or following.
• 82% aided recall, and recall boosted up to 60% versus static.
• Nielsen’s analysis of 1,200+ campaigns put billboard ROI at 497%.

Measure any one effect and you’ll have a number for your budget deck.

Design for measurement from day one

The biggest mistake is deciding to measure after launch. Build it in:

• Set exposed and control geographies from the start for footfall or brand lift.
• Put QR and promo codes in the creative so scans are trackable.
• Choose a measurable outcome — store visits, branded searches, QR scans — before you buy.
• Run long enough (a few weeks) for effects to accumulate.

Do this and your report will be data, not anecdotes.

The ROI formula

At its simplest, ROI for a digital billboard campaign is:

ROI = (Revenue attributable to the campaign − Campaign cost) ÷ Campaign cost × 100

Attribution gives you the revenue; the buy gives you the cost. The formula turns your campaign into a defensible number.

Measurement done for you

You shouldn’t need to become an attribution scientist to buy a digital billboard. A good partner sets up the measurement: footfall design, QR hooks, search-lift tracking, and a report that connects reach to results.

That’s what Globalstars includes in every digital billboard campaign. We plan the measurement alongside the media — so when it’s time to justify the spend, you’ll have numbers, not “trust me.”

Digital billboards aren’t the unmeasurable medium of marketing legend. [Start a digital billboard campaign you can actually measure](https://www.globalstarscn.com/).

Data sources: OAAA & Nielsen; Solomon Partners; QR adoption research.