Marketing Analytics for Small Business: The 6 Numbers That Actually Matter

The six marketing metrics small businesses should actually track are customer acquisition cost (CAC), lifetime value (LTV), the LTV:CAC ratio, conversion rate, ROAS (and blended ROAS), and lead-to-customer rate — plus one attribution sanity check. Those are the KPIs that tell you whether to spend more, spend less, or change the plan. Almost everything else on your analytics dashboard is decoration.

I spent about five years at Bublup, where I rose to Senior Growth and Omni-Channel Marketing Manager, and a chunk of that job was building the executive dashboards leadership actually looked at. Here’s what I learned doing it: nobody makes a decision from a 40-widget dashboard. They make decisions from five or six numbers. The rest is there to make the dashboard look expensive.

When I administered a paid-media budget north of 1.5 million dollars a year across Google, Meta, and LinkedIn, the temptation was always to measure everything because we could. Impressions, reach, engagement rate, time-on-site, bounce rate, the whole carnival. But every Monday I went back to the same handful of numbers, because those were the only ones that told me whether to spend more, spend less, or change the plan. This post is that handful — the small-business marketing KPIs that earn their place — defined plainly, with a rough sense of what “decent” looks like, and a short list of the metrics I want you to stop staring at.

First, a word on “good-ish” numbers

Every benchmark below is labeled rough on purpose. A “good” CAC for a law firm and a “good” CAC for a coffee subscription have nothing to do with each other. Your margins, your sales cycle, and your price point swamp any industry average you’ll find online. So treat these as orientation, not targets. The real benchmark is your own trend line. Is this number getting better or worse month over month? That’s the question that matters.

1. Customer Acquisition Cost (CAC)

What it is: the total cost to land one new paying customer. Add up everything you spent to get customers in a period — ad spend, the agency or freelancer fees, the tools, a fair slice of your own time if you’re honest — and divide by the number of new customers you got.

CAC = total sales & marketing spend ÷ new customers acquired

If you spent 2,000 dollars last month and got 10 customers, your CAC is 200 dollars. (That’s an illustrative example, not a benchmark.)

This is the number most small business owners never actually calculate, and it’s the most important one. You cannot know if marketing is working if you don’t know what a customer costs you. Most people feel like it’s working because the phone rang. CAC tells you whether the phone ringing was worth it.

Good-ish (rough): there’s no universal number. A healthy CAC is simply one that’s comfortably smaller than what a customer is worth to you — which is the next number.

2. Lifetime Value (LTV)

What it is: the total profit you expect from a customer across the whole relationship, not just the first sale.

A simple, honest version for a small business:

LTV = average purchase value × purchases per year × average years they stay

If a customer spends 150 dollars per visit, comes 4 times a year, and sticks around 3 years, that’s 1,800 dollars in revenue. Use your margin, not revenue, if you can — LTV on profit is the truthful version. (Again, illustrative.)

Most owners undercount this badly. They look at the first transaction and stop. The whole reason you can afford to acquire customers at all is that good ones come back. If your LTV is invisible to you, you’ll always feel like marketing is too expensive, because you’re comparing a full CAC against a single sale.

3. LTV:CAC ratio — the one number that ties the room together

What it is: lifetime value divided by acquisition cost. This single ratio tells you whether your whole growth engine is healthy or quietly bleeding.

LTV:CAC	What it usually means
Below 1:1	You’re losing money on every customer. Stop and fix this first.
Around 1:1 to 2:1	Thin. You’re working hard to barely break even after overhead.
Around 3:1	The commonly cited “healthy” zone — rough, but a reasonable target.
5:1 or higher	Great margins, but you may be under-investing and leaving growth on the table.

The 3:1 figure is the most-repeated rule of thumb in marketing, and it’s a rough rule, not a law. But the directional logic is bulletproof: if it costs you a dollar to make three, you should be looking for ways to spend more, not less. If it costs you a dollar to make a dollar, no clever campaign saves you — the math is broken upstream.

When I built dashboards for leadership, this was usually the number at the top, because it answers the only question an owner really has: should we be pouring more in, or pulling back?

4. Conversion rate

What it is: the percentage of people who take the action you want, out of the people who had the chance. Visitors who become leads. Leads who become customers. Quote requests that become signed jobs.

Conversion rate = actions taken ÷ total opportunities × 100

The trap here is measuring conversion rate at the wrong altitude. “Website conversion rate” as one blended number is nearly useless. You want it stage by stage, because that’s how you find the leak. If 1,000 people hit your landing page and 20 fill out the form, that’s your top-of-funnel problem. If 18 of those 20 never reply to your follow-up, that’s a completely different problem — and it lives in your sales process, not your ads.

This is where a tight follow-up system earns its keep. I wrote a whole piece on building an email marketing funnel for a local business precisely because most small businesses lose more money to weak follow-up than to weak ads.

Good-ish (rough): wildly dependent on context. A cold-traffic landing page converting at 2–5% can be fine; a warm, high-intent quote form should do much better. Watch your trend, not someone’s blog average.

5. ROAS and blended ROAS

What it is: Return On Ad Spend — revenue generated per dollar of advertising. A ROAS of 4 means you made 4 dollars for every 1 dollar you put into ads.

ROAS = revenue from ads ÷ ad spend

ROAS is great for judging a single channel or campaign — is this Google campaign pulling its weight? But it lies by omission when you look at it channel by channel, because every platform takes credit for the same sale. Meta swears it drove the conversion. Google swears it drove the same conversion. Add up everyone’s self-reported ROAS and you’ve apparently 3x’d your revenue. You haven’t.

That’s why I care more about blended ROAS: total revenue divided by total ad spend across every channel. It’s dumber and it’s honest. It can’t double-count because it doesn’t try to attribute anything — it just asks, “for every dollar we spent on ads everywhere, how many came back?” For a small business, blended ROAS is usually the truest top-line read you have.

If you’re trying to set a sane number to spend in the first place, I broke down the practical side of that in my guide to setting a Google Ads budget for a Denver small business.

Good-ish (rough): a blended ROAS of 3–4 is a comfortable place for many small businesses, but the real answer depends entirely on your margins. A 70%-margin service business can thrive at a lower ROAS than a 20%-margin retail shop. Profit, not ratio, is the judge.

6. Lead-to-customer rate

What it is: of all the leads you get, what percentage actually become paying customers.

Lead-to-customer rate = customers ÷ total leads × 100

I separate this from conversion rate on purpose, because it’s the bridge between marketing and money, and it’s where the two halves of a business point fingers at each other. Marketing says “we delivered the leads.” Sales says “the leads were junk.” This number settles it. If you’re getting plenty of leads and closing almost none of them, the problem usually isn’t your ads — it’s lead quality or follow-up speed. More traffic won’t fix a 2% close rate. It’ll just cost you more.

This is the metric that running my own music business taught me cold. On the artist side (jordanlovinger.com) I personally handle every inquiry — the booking emails, the quotes, the “are you available for our event” messages. I learned fast that the gigs you win come from how quickly and how well you respond, not from how many inquiries land in the inbox. Lead-to-customer rate is the number that made me a better closer, because it forced me to look at what happened after the lead arrived.

The channel-attribution sanity check

You don’t need a PhD in attribution. You need one habit: once a quarter, ask every new customer how they found you, and compare it to what your analytics claim.

Your platforms will confidently tell you a story. Real customers will tell you a different one — “I saw your post,” “my neighbor recommended you,” “I Googled you after the event.” When the gap between those two stories is large, your attribution is fiction, and you should weight blended numbers and human answers over any single platform’s self-report. This one un-glamorous question has saved me from killing channels that were actually working and pouring money into channels that were just good at taking credit. Tracking has only gotten messier — between privacy changes, cookie loss, and the rise of AI-driven search and assistants sending traffic you can’t always see, the human answer is more useful than ever.

The vanity metrics to ignore

These feel good and decide nothing. They belong nowhere near a decision-making dashboard.

• Impressions and reach. Eyeballs aren’t customers. A million impressions and zero sales is a million reasons to feel busy and broke.
• Followers and likes. A real audience is great; a follower count is a number you can rent. It rarely correlates with revenue.
• Page views / sessions, on their own. Traffic without conversion is a utility bill, not a result.
• Email open rate, in isolation. Nice signal, terrible goal — and since Apple’s Mail Privacy Protection started auto-loading images, open rate is half-fiction anyway. Clicks and replies pay; opens don’t.
• “Engagement rate.” The most flattering, least actionable number in marketing. Ask yourself what you’d do differently if it moved. Usually nothing.

The test for any metric is simple: if this number changed, would I make a different decision? If the answer is no, it’s decoration. Take it off the dashboard.

How I’d actually set this up

If you’re a Denver business owner staring at a bloated analytics dashboard, here’s the lean version. Track six things, on a single page, reviewed monthly:

1. CAC
2. LTV
3. LTV:CAC ratio
4. Conversion rate (by stage, not blended)
5. Blended ROAS
6. Lead-to-customer rate

Plus the quarterly “how did you hear about us?” gut check. That’s the whole executive dashboard. I built far fancier ones for leadership at Bublup, and the fancy parts were almost always there to reassure people, not to inform them. The six numbers did the work.

The other thing I’ll say, because it’s how I actually operate: I run an entire second business — my music performance and education company — completely solo. Sales, marketing, SEO, web, event management, delivery, all of it, one person. That experience is exactly why I’m allergic to dashboard bloat. When you’re the whole department, you don’t have the luxury of vanity metrics. You measure what changes your decisions, and you ignore the rest, because your time is the budget.

If you want a second set of eyes on which numbers your business should actually be watching — and which ones you can stop pretending to care about — reach out and book a call or email me at jordan@groovemountains.com. No dashboard required.