How to calculate CD interest
One formula, worked through 6-month, 1-year and 5-year terms.
CD and savings guides
A 4.50% APY only tells part of the story. These guides cover the dates, penalties, renewal rules, and account choices that determine what you can actually do with the money.
Understand certificates of deposit
What is a CD ladder?
See how five $5,000 CDs can create one maturity date each year.
CD early-withdrawal penalties
Work through a $10,000 example where a 3-month penalty reaches principal.
What happens when a CD matures?
Compare Chase's 5-day and 10-day grace-period rules with other bank terms.
APY vs. interest rate
See why a 4.50% nominal rate compounded monthly becomes a 4.594% APY.
Compare accounts and returns
CD vs. high-yield savings
Compare a fixed 4.25% CD with a savings rate that changes after 6 months.
How much does a $10,000 CD earn?
Check hypothetical returns from 3 months through 5 years.