Conversion Rate

Definition

Conversion rate is the percentage of visitors who take a defined action — submit a form, call, book, or buy — out of everyone who visited. It's the core measure of how effectively a page turns traffic into leads or customers, and it's the number most CRO work is built to improve.

In depth

Conversion rate is simple math: conversions divided by visitors, times 100. The catch is defining 'conversion' clearly and counting it consistently. For a remodeler or builder it's usually an estimate request — a form fill or a phone call; for e-commerce it's a purchase. You can measure it for a whole site, a single landing page, or a single ad — and the more specific you get, the more useful it becomes for diagnosing what's working.

It matters because it ties directly to the economics of your marketing. If you double your conversion rate, you double your leads from the same traffic and cut your effective cost per lead in half. That makes it one of the highest-leverage numbers in the business, because improving it doesn't require spending more on ads.

The mistake is comparing your rate to a generic 'industry average' and either panicking or relaxing. What counts as good depends on your traffic quality, offer, price point, and how the conversion is defined. WellBuilt cares less about hitting a benchmark and more about your own trend line — is this page converting better this month than last, against a baseline we can trust?

The formula

Worked example

Related terms