How Credit Card Interest Works
How APR translates into actual charges: the daily interest rate, average daily balance, the grace period, and what carrying even a small balance really costs.
topic
APR
3 guides
What Is a Credit Card APR?
What APR means, why most cards have variable rates, the difference between purchase APR and penalty APR, and how to use APR when comparing cards.
What Is APR?
APR explained in plain English: what it means, how it differs from interest, and why it matters for credit cards and loans.