How to add a currency in HubSpot

Add a new currency (HubSpot Starter, Professional, and Enterprise only)

Add a new currency (Starter, Professional and Enterprise only)

To add a new currency:

• In your HubSpot account, click the settings settings icon in the main navigation bar.
• In the left sidebar menu, navigate to Account defaults. 
• Click the Currencies tab, then click Add currency.
• Click the Currency dropdown menu and select your new currency.
• In the Exchange rate field, enter the exchange rate that converts your new currency to your company currency.

Click Save. 

For More details for

• Manage existing currencies
• Currency property on deals
• Set a preferred currency for deal stage amounts in board view
• Edit a line item's currency (Sales Hub Professional and Enterprise only)

Click on link:

HubSpot Knowledge Base- Add and edit your account currencies