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Home / Compound interest / $50 a month, 20 years

$50 a Month for 20 Years

Saving $50 every month for 20 years is a steady habit. See what 6 percent a year does to it. The page starts with an empty account.

The final balance on the starting figures is $23,102. You would deposit $12,000 yourself.

$
$
%
years
%
Final balance
$23,102
Total you put in
$12,000
Interest earned
$11,102
Year by year
YearTotal put inBalance
1$600$617
2$1,200$1,272
3$1,800$1,967
4$2,400$2,705
5$3,000$3,489
6$3,600$4,320
7$4,200$5,204
8$4,800$6,141
9$5,400$7,137
10$6,000$8,194
11$6,600$9,316
12$7,200$10,508
13$7,800$11,772
14$8,400$13,115
15$9,000$14,541
16$9,600$16,055
17$10,200$17,662
18$10,800$19,368
19$11,400$21,179
20$12,000$23,102
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How the growth is worked out

Each deposit earns interest from the month it arrives until the end. An early deposit grows for many months while a late one grows for few. The calculator adds up all 240 deposits of $50 at the monthly rate of 0.5 percent to get the final balance.

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Worked example

Over 20 years you would put in $12,000. At 6 percent the balance grows to $23,102.

The deposits alone come to $12,000. Compounding turns that into $23,102, a gain of $11,102.

Questions about this calculator

What if the return on $50 a month over 20 years were 5 percent instead of 6?

The balance would be $20,552 instead of $23,102. A return one point higher gives $26,046.

What if you stopped the $50 deposits halfway through 20 years at 6 percent?

After 10 years the balance is $8,194. Left alone for the second half, it would grow to $14,908 instead of $23,102.

What would it take to match $23,102 over 20 years if you started 5 years later at 6 percent?

You would need $79.44 a month for 15 years instead of $50 for 20. Starting early does much of the work.

How much would $100 a month reach over 20 years at 6 percent?

$46,204 at 6 percent. That is 2 times the balance from $50 a month.

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This page is for education only and is not financial or tax advice.