CD Calculator
Calculate certificate of deposit returns, compare CD terms, plan CD ladder strategies, and analyze early withdrawal penalties. See maturity values with different compounding frequencies.
Quick Answer
How much will I earn from a CD?
A $10,000 CD at 5.00% APY for 12 months will earn approximately $512 in interest, maturing at $10,512. CDs are FDIC insured up to $250,000 and typically offer higher rates than regular savings accounts in exchange for locking your money for a set term.
Calculate your CD returns with different terms, compare rates, or plan a CD ladder strategy.
Key Takeaways
- APY vs Interest Rate: APY includes compound interest - a 5% rate with daily compounding equals 5.13% APY
- CD Ladder Strategy: Spread investments across multiple terms for liquidity + higher average yields
- Early Withdrawal Penalties: Typically 3-12 months of interest depending on term length
- FDIC Insurance: CDs are protected up to $250,000 per depositor, per institution
- Current Rates: Top CD rates range from 4.5-5.5% APY as of February 2026
CD Projections
CD Growth Over Term
A CD ladder divides your investment across multiple CDs with staggered maturity dates, providing regular access to funds while earning higher long-term rates.
Ladder Rungs Detail
| Rung | Term | APY | Principal | Interest | Maturity Value | Maturity Date |
|---|
Maturity Timeline
Compare returns across different CD terms with the same principal to find the best option for your needs.
CD Term Comparison
| Term | APY | Interest Earned | Maturity Value | Annualized Return |
|---|
Interest Earned by Term
Calculate the impact of withdrawing from your CD before maturity. Early withdrawal penalties are typically 3-12 months of interest.
How It Works: Understanding CDs
What is a CD?
A Certificate of Deposit is a time deposit that pays a fixed interest rate for a set term. You agree to lock your money for a period (3 months to 5+ years) in exchange for a guaranteed, typically higher rate than savings accounts.
CDs are FDIC insured up to $250,000 per depositor, making them one of the safest investment options available.
CD Interest Calculation
CD interest uses compound interest: A = P(1 + r/n)^(nt)
- P = Principal (initial deposit)
- r = Annual rate (as decimal)
- n = Compounding frequency
- t = Time in years
CD Ladder Strategy
A CD ladder spreads investment across multiple CDs with staggered maturities:
- Regular liquidity as each rung matures
- Higher average yield from longer-term CDs
- Rate flexibility to reinvest at current rates
- Reduced penalty risk - less need to withdraw early
Early Withdrawal Penalties
Withdrawing before maturity incurs penalties:
- Under 1 year: Usually 3 months interest
- 1-3 years: Often 6 months interest
- 3+ years: May be 12 months interest
- No-penalty CDs: Available with lower rates
CD Terms Comparison
| Term Length | Typical APY Range | Best For | Typical Penalty |
|---|---|---|---|
| 3-6 Months | 4.00% - 4.75% | Short-term savings, testing CD investing | 30-60 days interest |
| 1 Year | 4.50% - 5.25% | Emergency fund portion, near-term goals | 90 days interest |
| 2-3 Years | 4.25% - 5.00% | Medium-term savings, rate lock during uncertainty | 180 days interest |
| 4-5 Years | 4.00% - 4.75% | Long-term savings, maximum rate lock | 365 days interest |
* Rates are approximate and vary by institution. Check current rates before investing.
Frequently Asked Questions
In 2026, the best CD rates vary by term length and institution. Online banks and credit unions typically offer higher APYs than traditional banks. Short-term CDs (3-12 months) and long-term CDs (3-5 years) may offer different rate advantages depending on the interest rate environment. Use this calculator to compare returns across different CD terms and rates.
A $10,000 CD at 5.00% APY for 12 months will earn approximately $512 in interest, maturing at $10,512. Your actual earnings depend on the principal amount, APY, term length, and compounding frequency. CDs are FDIC insured up to $250,000 per depositor.
A Certificate of Deposit (CD) is a time deposit offered by banks and credit unions that pays a fixed interest rate for a specified term. CDs typically offer higher interest rates than regular savings accounts in exchange for locking your money for a set period. They are FDIC insured up to $250,000 per depositor.
CD interest is calculated using compound interest formula: A = P(1 + r/n)^(nt), where P is principal, r is the annual rate, n is compounding frequency, and t is time in years. Most CDs compound daily or monthly. A $10,000 CD at 5% APY for 1 year yields approximately $512 in interest with daily compounding.
A CD ladder is an investment strategy where you divide your money across multiple CDs with different maturity dates. For example, investing $10,000 across five 1-year, 2-year, 3-year, 4-year, and 5-year CDs. As each CD matures, you reinvest in a new 5-year CD, giving you regular access to funds while earning higher long-term rates.
Early withdrawal penalties vary by institution and term length. Common penalties are: 3 months interest for terms under 1 year, 6 months interest for 1-3 year terms, and 12 months interest for longer terms. Some banks offer no-penalty CDs with lower rates. Always check the penalty terms before opening a CD.
APY (Annual Percentage Yield) includes the effect of compound interest, while the nominal interest rate does not. APY shows your actual yearly return. For example, a 5% nominal rate with daily compounding equals a 5.13% APY. Always compare APYs when shopping for CDs.
Yes, CDs at FDIC-insured banks are protected up to $250,000 per depositor, per institution. Credit union CDs (share certificates) are similarly insured by NCUA up to $250,000. This makes CDs one of the safest investment options available.
More frequent compounding slightly increases returns. For a $10,000 CD at 5% for 1 year: annual compounding yields $500, quarterly yields $509, monthly yields $512, and daily yields $513. The difference is small for short terms but compounds over longer periods.
Choose based on your liquidity needs and rate expectations. Longer terms (3-5 years) typically offer higher rates but lock your money longer. If rates are rising, shorter terms let you reinvest at higher rates sooner. A CD ladder provides a balance of liquidity and higher average returns.
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