This calculator measures how effectively an eligible YouTube audience converts into paying channel members. It compares paid members with the selected audience base and can also project how many members a target conversion rate would produce. The key is choosing a consistent audience base. Monthly unique viewers, engaged returning viewers, or another qualified audience segment may be more informative than total lifetime subscribers. Use the same definition when comparing performance over time.
1. Define the audience base
Choose a relevant audience measure for one period, such as monthly qualified viewers.
2. Enter paying members
Use active paying channel members measured for the same period.
3. Set a target rate
Enter a planning conversion rate to calculate the corresponding member count.
4. Review the current rate
The main result divides members by the eligible audience.
5. Compare with target
Use the projected member count and gap to size a growth objective.
Where:
Assumptions: Audience and member counts refer to the same measurement period and audience definition.
The percentage shows how many paying members exist for every 100 people in the selected eligible audience.
A larger but less qualified denominator can make conversion appear lower, so preserve the denominator definition across comparisons.
Given: 50,000 eligible viewers, 600 paying members, and a 1.5% target conversion rate.
Calculation: Current conversion = 600 ÷ 50,000 × 100 = 1.20%. Members at target = 50,000 × 1.5% = 750. Member gap = 750 − 600 = 150.
Result: Current conversion is 1.20%, with 150 additional members needed to reach the target.
Use the audience measure that best represents people exposed to and eligible for the membership offer. Monthly qualified viewers often reflect current reach better than lifetime subscribers.
Not with a correctly defined unique audience base. A result above 100% usually means the member count and audience denominator use different periods or definitions.
Include them only if they are counted as active paying memberships for the metric you are analyzing. Keep the treatment consistent across periods.
The eligible audience may grow faster than paid membership. Review both the rate and absolute member count to understand performance.
No. This measures paid members against an audience base. Click-to-purchase conversion uses only people who clicked a membership offer as the denominator.