Debt & Credit
What does a 1% APR change cost me?
See how small APR changes hit your yearly interest. This is a fast way to compare offers or track rate increases.
Try the calculator
Use the balance you carry most months.
What this means
A 1% rate change can cost hundreds per year on large balances. This is why refinancing or balance transfers can matter.
What to do next
If the impact is large, focus on lowering rates or paying down the balance faster.
FAQ
Is this for credit cards or loans?
Both. It estimates annual interest cost on a balance. Use it for any revolving or installment debt.
Does the balance change over time?
No. This is a simple yearly impact snapshot using today's balance.