What Is RPM? How Blog Ad Revenue Really Works

If you have looked into making money from a blog, you have run into the acronym RPM, and probably CPM right next to it. Understanding RPM is the key to predicting what your traffic is actually worth, so let us make it simple.

What is RPM?

RPM stands for "revenue per mille," which means revenue per one thousand pageviews. It answers a single question: for every 1,000 times a page on your site loads, how much do you earn from ads?

The formula is straightforward:

RPM = (total ad earnings ÷ pageviews) × 1,000

So if you earned $75 from 10,000 pageviews, your RPM is (75 ÷ 10000) × 1000, which comes to $7.50.

RPM vs CPM: what is the difference?

They sound alike but they measure different things. CPM, or cost per mille, is what an advertiser pays per 1,000 ad impressions on a single ad unit. RPM is what you earn per 1,000 pageviews, counting every ad unit on the page together.

RPM is the number that matters to you as a publisher, because it reflects your whole page rather than one ad slot.

What is a good RPM?

It varies enormously, and anyone quoting a single "good" number is oversimplifying. RPM depends on several factors.

Niche is the biggest one. Finance, insurance and software attract high-paying advertisers, while entertainment and general lifestyle pay less. Audience location matters too, since traffic from the US, UK, Canada and Australia typically earns more than traffic from lower-CPC regions. Season plays a part as well, because advertiser budgets peak in the last quarter of the year and dip in January. Finally, your ad network makes a difference, as premium networks generally deliver higher RPMs than basic ones.

As a rough guide, display RPMs often land somewhere between $5 and $40.

Estimate your earnings

Once you know your RPM, projecting income is just multiplication. Our free Ad Revenue Estimator does it instantly. Enter your monthly pageviews and RPM, and it shows daily, monthly and yearly figures so you can model what hitting the next traffic milestone would be worth.

The takeaway

RPM turns "traffic" into "dollars." Grow the two levers behind it, more pageviews and a higher RPM, and your earnings grow with them. A higher RPM comes from a better niche mix, more of your audience in high-value regions, and a stronger ad network. Start by measuring where you are today, then set a target.