Metrics · Monetization · Product · Quarterly · % · Updated 2026-07-21

What is Free-to-Paid Conversion Rate?

Short answer: The percentage of free-tier users in a freemium model who upgrade to a paid plan.

Definition

The percentage of free-tier users in a freemium model who upgrade to a paid plan.

Formula

Free users converting to paid / Total free-tier users x 100

How to measure

Track a cohort of free-tier signups over a fixed window, typically 90 days, and measure what share upgrade to a paid plan.

Why track it

This rate reveals whether the free tier is a genuine acquisition funnel or simply a permanent home for users who never intend to pay.

Example

Of 10,000 free-tier signups in a quarter, 350 upgrade to paid within 90 days, a 3.5% free-to-paid rate.

FAQ

What is Free-to-Paid Conversion Rate?
The percentage of free-tier users in a freemium model who upgrade to a paid plan.
How do you calculate Free-to-Paid Conversion Rate?
Free users converting to paid / Total free-tier users x 100
Why track Free-to-Paid Conversion Rate?
This rate reveals whether the free tier is a genuine acquisition funnel or simply a permanent home for users who never intend to pay.
What is Free-to-Paid Conversion Rate? Definition, formula, and growth use · Cofounderbase