Substack charges 10%. A 5,000-subscriber list at 5% paid conversion and
Top Substack writers earn
Use this calculator when estimating the monetisation potential of a channel or account before committing significant time or investment to growing it. Revenue estimates help set realistic expectations for content creator economics.
The most common mistake is treating revenue estimates as guaranteed income. CPM and RPM rates vary enormously by niche, audience geography, and platform policy changes. Use estimates for planning and scenario modelling, not for financial commitments.
A content creator with 80,000 YouTube subscribers and an average of 150,000 monthly views estimates their CPM-based ad revenue at roughly £450–£600/month — a useful benchmark for deciding whether to prioritise monetisation or continue growing the audience first.
With 10,000 subscribers at 5% paid at