How to calculate which credit card to pay off first

By clicking submit, I authorize Our Finance Guide and its affiliated companies to: (1) use, sell, and share my information for marketing purposes, including cross-context behavioral advertising, as described in ourTerms of Service and Privacy Policy, (2) supplement the information that I provide with additional information lawfully obtained from other sources, like demographic data from public sources, interests inferred from web page views, or other data relevant to what might interest me, like past purchase or location data, (3) contact me or enable others to contact me by email with offers for goods and services from any category at the email address provided, and (4) retain my information while I am engaging with marketing messages that I receive and for a reasonable amount of time thereafter. I understand I can opt out at any time through an email that I receive, or by clicking here.