How can I find out the submission quota?

We need to know how to find out how many submissions left before reaching maximum quota

You can find your usage from your accounts settings.

Go to https://www.jotform.com/myaccount/usage

You can also refer to this link to know detail about your account usage and limits:

https://www.jotform.com/help/408-Understanding-Your-Account-Usage-and-Limits

If you have any further query, please let us know.