Compound Interest Calculator
CD 3-year Account from State Bank with 3.80% APY and $1,000 minimum deposit
Use or Change These Amounts and Rates
The product CD 3-year Account from State Bank with 3.80% APY and $1,000 minimum deposit and a tax rate of 30 compounded annually, with an initial amount of $20,000, after 10 years would have grown your savings to approximately $29,040. The interest earned would be $9,040 and the tax amount on the interest earned would be approximately $2,712.
Please note that this analysis assumes a constant interest rate and doesn't take into account any fees associated with the savings account.
The Results for State Bank
Savings Boost of
$5,229 over 10 years
$5,229 over 10 years
Cash Savings
$20,000
Average Interest Earned
$1,100
State Bank Interest Earned
$6,328
See comparison detail table
This analysis is for demonstrative purposes only and may change should certain assumptions prove incorrect. Savings rates may change and CD rates may not be renewable for the length of the term of the analysis. The difference between the bank rate entered and the average rate may not remain constant throughout the term.
Comparison Detail Table Close X
Average Rate Scenario
| Rate: 0.76% |
Annual Interest |
Annual Interest (After Tax) |
|
|---|---|---|---|
| 1 | 20,000 | 152 | 106 |
| 2 | 20,152 | 153 | 107 |
| 3 | 20,305 | 154 | 108 |
| 4 | 20,459 | 155 | 109 |
| 5 | 20,614 | 156 | 110 |
| 6 | 20,771 | 158 | 110 |
| 7 | 20,928 | 159 | 111 |
| 8 | 21,087 | 160 | 112 |
| 9 | 21,247 | 161 | 113 |
| 10 | 21,408 | 162 | 114 |
| TOTAL: | $1,571 | $1,100 |
State Bank Scenario
| Rate: 3.80% |
Annual Interest |
Annual Interest (After Tax) |
|
|---|---|---|---|
| 1 | 20,000 | 760 | 532 |
| 2 | 20,760 | 789 | 552 |
| 3 | 21,549 | 819 | 573 |
| 4 | 22,368 | 850 | 595 |
| 5 | 23,218 | 882 | 618 |
| 6 | 24,100 | 916 | 641 |
| 7 | 25,016 | 951 | 665 |
| 8 | 25,966 | 987 | 691 |
| 9 | 26,953 | 1,024 | 717 |
| 10 | 27,977 | 1,063 | 744 |
| TOTAL: | $9,040 | $6,328 |
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The accounts below offer some of the best rates in the country can be opened online, and are available nationally. As the calculator shows, changing accounts to earn a higher interest rate can really add up over time.
Recent Rate Changes
| Date | APY |
|---|---|
| August 17, 2026 | 3.80% |
| July 13, 2026 | 4.00% |
| June 15, 2026 | 3.70% |
| March 16, 2026 | 3.25% |
| February 9, 2026 | 3.50% |
| February 18, 2025 | 3.25% |
| January 13, 2025 | 3.30% |
| November 18, 2024 | 3.50% |
| August 16, 2024 | 3.75% |
| July 15, 2024 | 3.55% |
| April 23, 2024 | 4.50% |
| January 9, 2024 | 3.50% |
Featured CD Rates
Advertiser Disclosure| ONLINE BANKS | APY? | MIN? | ||
|---|---|---|---|---|
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4.50% | $100,000 |
Learn More on the North American Savings Bank, F.S.B. website |
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4.80% |
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4.65% |
$1,000 |
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Last change: ↑0.35% on September 25. |
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