Build a CD ladder and compare cash yields
Plan a certificate-of-deposit ladder, compare a high-yield savings account with CDs, size an emergency fund and convert APY to real dollars. Free, private, no sign-up.
Tools
CD ladder calculator
Plan a CD ladder with equal rungs, staggered terms and estimated interest at each maturity. Free, private, runs in your browser.
HYSA vs CD calculator
Compare a high-yield savings account with a CD over a chosen term, including a simple early-withdrawal penalty estimate.
Emergency fund calculator
Estimate your emergency fund target from monthly essential spending and months of cover. See the gap and how long it takes to fill.
APY compare calculator
Compare multiple accounts by APY on the same principal and time horizon. Rank by ending balance.
Popular guides
What Is a CD Ladder?
A clear explanation of CD ladders: why savers stagger certificate terms, how rolling works, and when a ladder beats a single CD or a savings account.
How CD Early-Withdrawal Penalties Work
Understand typical CD early-withdrawal penalties, how banks calculate them, and when breaking a CD still makes sense.
HYSA vs CD: Which Should You Choose?
A practical comparison of high-yield savings accounts and certificates of deposit: liquidity, rate lock, penalties and how to combine both.
How Much Emergency Fund Do You Need?
How to size an emergency fund from essential monthly spending, job stability and dependents — and where to keep the cash.
FDIC Insurance Basics for Savers
How FDIC deposit insurance works, the standard $250,000 limit, ownership categories and what is not covered.
How APY Works
Why APY is the fair way to compare savings and CD offers, how compounding enters the number, and common marketing traps.
How we work
We do not invent bank offers. Every calculator uses only the numbers you type. Guides cite FDIC and other primary sources. We are not a bank and we do not sell deposits. Read more about CashLadder.