Compound Interest Calculator

Small differences in savings or CD rates may seem trivial. But, earning more in your savings and CD accounts can lead to much larger account balances balances over time when you examine the difference in compound interest over time. Use our calculator on the right below to see how much larger your accounts can be by moving to higher earning savings and CD rates.

Use or Change these Amounts And Rates

The Results

Savings Boost of
$2,402 over 10 years
Cash Savings $20,000
Average Interest Earned $169

 
Best Interest Earned $2,571

 

 

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

Scenario 1

Rate:
0.12%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 24 17
2 20,024 24 17
3 20,048 24 17
4 20,072 24 17
5 20,096 24 17
6 20,120 24 17
7 20,144 24 17
8 20,169 24 17
9 20,193 24 17
10 20,217 24 17
TOTAL: $241 $169

Scenario 2

Rate:
1.70%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 340 238
2 20,340 346 242
3 20,686 352 246
4 21,037 358 250
5 21,395 364 255
6 21,759 370 259
7 22,129 376 263
8 22,505 383 268
9 22,887 389 272
10 23,277 396 277
TOTAL: $3,672 $2,571

Take Action

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.