Free Free-to-Paid Conversion Calculator
Calculate free-to-paid conversion rate and model paid-customer outcomes from your active free-user base. Free, instant, no signup.
Quick answer
Free-to-paid conversion rate is the percentage of eligible free users who become paying customers during a defined period or cohort.
Formula
Free-to-paid conversion rate = new paid customers from free users ÷ eligible free users × 100
Example
If 200 of 5,000 eligible free users convert to paid, free-to-paid conversion is 4%.
How to interpret it
Define the cohort and conversion window explicitly. A blended lifetime rate and a 30-day cohort conversion rate answer different questions.
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