Free CD comparison calculator
CD Comparison Calculator
- Two options side by side
- CD, savings or money market
- Total return, not just the rate
CD Comparison Calculator
Weigh two savings options side by side and see which earns more.
Your inputs changed. Press Compare to update the results.
The better option earns
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Side by side
Every figure for both options, plus how each one handles access.
Results are estimates based on the values you enter. Variable rates on savings and money market accounts can change at any time, so their real return may differ from this projection.
A CD comparison calculator lets you weigh two savings options side by side to see which earns more. Compare two CD offers, or a CD against a high-yield savings or money market account, by entering each option's deposit, rate, and term. It shows the total return for each, so you can choose based on real numbers rather than the headline rate.
How to Use the CD Comparison Calculator
Enter the details for your first option, including the deposit, the APY, and the term. Then enter the details for the second option, whether it is another CD or a different account type such as a high-yield savings or money market account. The calculator displays the interest and final balance for each side by side.
Comparing total return, not just the advertised rate, shows which option fits your goal. You can also change the term to test how liquidity needs affect the outcome.
Comparing Two CD Offers
When two CDs have the same deposit and term, the one with the higher APY always earns more. For example, a $10,000 one-year CD at a 4.25% APY earns $425, while the same CD at a 4.00% APY earns $400. That is $25 more for choosing the higher yield, and the gap widens on larger deposits and longer terms.
Comparing CDs with different terms takes an extra step. A longer term may pay more in total but locks your money away longer, so weigh the higher return against when you will need the funds. Always compare offers as APY, and if a bank quotes a base rate instead, convert it first with our CD APY calculator.
CD vs High-Yield Savings Account
A CD and a high-yield savings account are both low-risk and insured, but they differ in rate structure and access. A CD locks in a fixed rate for a set term, while a high-yield savings account pays a variable rate you can access anytime. A bank's best CD rate is often a little higher than its best savings rate.
The right choice depends on your timeline. A CD suits money you will not need until a specific date, since it guarantees the rate even if the market falls. A high-yield savings account suits emergency funds or flexible savings, since you keep full access and benefit if rates rise.
CD vs Money Market Account
A money market account blends savings interest with some checking features, such as check-writing or a debit card. Like a high-yield savings account, its rate is variable and its funds are accessible, though some money market accounts require higher minimum balances. A CD, by contrast, trades that access for a fixed rate over a set term.
If you want a competitive yield while keeping transactional access to your money, a money market account fits. If you can commit the funds and want rate certainty, a CD usually pays more. Both are FDIC or NCUA insured, so the decision comes down to access versus a locked rate.
CD vs Savings, High-Yield Savings, and Money Market: Side by Side
The table below compares the four common places to hold savings. All are insured, but they differ in rate type, access, and yield.
| Feature | CD | High-Yield Savings | Money Market | Regular Savings |
|---|---|---|---|---|
| Rate type | Fixed | Variable | Variable | Variable |
| Access to funds | Locked until maturity | Full, anytime | Full, with checks or debit | Full |
| Typical yield | Often the highest | High | Competitive | Lowest |
| FDIC or NCUA insured | Yes | Yes | Yes | Yes |
| Best for | Money set aside for a term | Emergency and flexible savings | Access plus yield | Everyday savings |
A CD often earns the most of the group, but only because you give up access for the term. The variable-rate accounts pay a little less on average yet keep your money available and can rise if rates climb.
How to Choose the Right Account
Start with when you will need the money. For money you can set aside for months or years, a CD gives the strongest guaranteed return. For an emergency fund or anything you might need soon, a high-yield savings or money market account keeps your cash within reach.
Then consider your view on rates. If you expect rates to fall, a CD locks in today's rate for the whole term. If you expect them to rise, a variable-rate account lets you benefit. Many savers use a mix, keeping an emergency fund liquid while placing longer-term savings in CDs or a CD ladder.
Frequently Asked Questions
Neither is strictly better, since they serve different goals. A CD offers a fixed, often higher rate but locks your money for the term, which suits savings tied to a specific date. A high-yield savings account offers a variable rate with full access, which suits emergency funds and flexible savings. If you can commit the money and want rate certainty, a CD usually earns more.
A CD usually earns more than a money market account, because you commit your funds for a fixed term in exchange for a higher, locked rate. A money market account pays a variable rate but gives you access to your money along with checking features. If you value access, the money market account is better despite the slightly lower yield. If you want the higher return and can lock the funds, the CD wins.
Choose a CD when you have money you will not need for a set period and want a guaranteed rate. Choose a savings account, ideally a high-yield one, when you need your cash accessible or expect rates to rise. A regular savings account offers the most flexibility but the lowest yield. Matching the account to your timeline is the key decision.
Yes, CDs, high-yield savings accounts, money market accounts, and regular savings accounts are all FDIC insured at banks, up to $250,000 per depositor, per institution. Credit unions offer the same coverage through NCUA insurance. This means your principal is protected in all four account types. The difference between them is rate structure and access, not safety.
A high-yield savings account is better when you need access to your money or expect interest rates to rise. Because its rate is variable, it can increase along with the market, while a CD's rate stays fixed. It is also the stronger choice for an emergency fund, since there is no penalty for withdrawing. For money you can lock away, a CD typically pays more.
Compare two CD offers by their APY at the same deposit and term, since the higher APY always earns more. If the terms differ, factor in when you will need the money, because a longer term locks your funds for longer. If one bank quotes a base rate and another an APY, convert the base rate to APY first for a fair comparison. The calculator above shows the total return for each offer side by side.