How much does Substack take from paid subscriptions?

Substack keeps 10% of paid subscription revenue, and Stripe deducts an additional 2.9% + $0.30.

Is Substack free for free newsletters?

Yes, publishing free newsletters and podcasts on Substack is completely free.

2026 Fee Rates Updated

Calculate Substack's 10% platform fee plus Stripe's 2.9% + $0.30 processing fee per paid subscriber.

Marketplace / Platform

Sale Price ($)

Item Cost / COGS ($)

Shipping Charged ($)

Your Ship Cost ($)

Ad / Promo (%)

Estimated Net Profit

$0.00

Total Revenue $0.00

Platform & Processing Fees -$0.00

Ad / Promoted Fee -$0.00

Item + Shipping Cost -$0.00

Net Margin

0.0%

ROI

0.0%

Upload a CSV (`Name,Price,Cost`) to find which marketplace yields the highest profit per SKU.

Upload .CSV

Item / SKU	Price	Cost	Best Platform	Max Net Profit
Click "Load Sample CSV" or upload your product sheet.