Figure out what interest rate you need for an investment to double in a set number of years.
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CD Calculator
A certificate of deposit (CD) is a savings account where you can't withdraw the money for a fixed amount of time. In exchange, you are offered a higher guaranteed interest rate than a normal savings account. You can enter the deposit size and interest rate into this calculator to see how much a CD can grow over its lifetime (usually 12 to 60 months).
CD Calculator
Adjust the inputs to see how much your savings in a CD grow over time.
Balance
Months
Total Balance
$11,330
Interest Earned
$1,330
| Months | Interest Earned |
|---|---|
| 0 | $2 |
| 1 | $20 |
| 2 | $41 |
| 3 | $62 |
| 4 | $83 |
| 5 | $104 |
| 6 | $125 |
| 7 | $146 |
| 8 | $167 |
| 9 | $189 |
| 10 | $210 |
| 11 | $231 |
| 12 | $252 |
| 13 | $274 |
| 14 | $295 |
| 15 | $317 |
| 16 | $338 |
| 17 | $360 |
| 18 | $381 |
| 19 | $403 |
| 20 | $425 |
| 21 | $446 |
| 22 | $468 |
| 23 | $490 |
| 24 | $512 |
| 25 | $534 |
| 26 | $556 |
| 27 | $578 |
| 28 | $600 |
| 29 | $622 |
| 30 | $644 |
| 31 | $666 |
| 32 | $688 |
| 33 | $710 |
| 34 | $733 |
| 35 | $755 |
| 36 | $778 |
| 37 | $800 |
| 38 | $822 |
| 39 | $845 |
| 40 | $868 |
| 41 | $890 |
| 42 | $913 |
| 43 | $936 |
| 44 | $958 |
| 45 | $981 |
| 46 | $1,004 |
| 47 | $1,027 |
| 48 | $1,050 |
| 49 | $1,073 |
| 50 | $1,096 |
| 51 | $1,119 |
| 52 | $1,142 |
| 53 | $1,166 |
| 54 | $1,189 |
| 55 | $1,212 |
| 56 | $1,236 |
| 57 | $1,259 |
| 58 | $1,282 |
| 59 | $1,306 |
| 60 | $1,330 |
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Interest is one of the most powerful tools in your financial arsenal and one of the more slippery dangers.
Calculating compound interest is much easier with this shortcut.
