On Substack, you have the flexibility to set the default currency on how you'd like subscribers to pay.
To change the currency of paid subscribers on your publication, follow these steps:
1. Head to your publication's Settings page and click on Payments in the left navigation bar. Scroll to your subscription plans.
2. Click on the currency drop-down menu next to a plan and select your preferred currency.
3. Once you've selected your desired currency, select "Set new pricing".
Moving forward, your new subscribers will see the plan pricing in your selected currency.
Tip: If you'd like readers to see subscription plan prices in their local currency, follow the steps here to enable localized pricing.