$20 Compound Interest Calculator

Calculate the future value of 20.
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How Much Will an Investment of 20 Be Worth in the Future?
Enter your details into the calculator and click calculate. It will show the future value of the investment based on the rate of return, type of compounding, and number of years invested.
About Compounding
Depending on how an investment is compounded it will have a different future value. For example, let's use the example of a $20 investment with a 5% return for 1 year.
Yearly Compounding
In this case, we add 5% to the investment after 1 year. So an investment of $20 will be worth $21 after 1 year.
Monthly Compounding
For monthly compounding, we divide the invest return by 12 and compound after each month. So a 5% interest rate equates to 0.4167% interest per month. This can be calculated by using this formula.
Investment x (1 + 5/12/100)12
The table below shows how monthly compound interest is calculated by month.
Month Monthly Interest Earned Value After Month
1 0.08 20.08
2 0.08 20.17
3 0.08 20.25
...... ...... ......
10 0.09 20.85
11 0.09 20.94
12 0.09 21.02
Weekly Compounding
For monthly compounding, we divide the invest return by 52 and compound after each week. So a 5% interest rate equates to 0.0962% interest per week. This can be calculated by using this formula.
Investment x (1 + 5/52/100)52
The table below shows how weekly compound interest is calculated by week.
Week Weekly Interest Earned Value After Week
1 0.02 20.02
2 0.02 20.04
3 0.02 20.06
...... ...... ......
49 0.02 20.96
50 0.02 20.98
51 0.02 21.00
52 0.02 21.02
Daily Compounding
For daily compounding, we divide the invest return by 365 and compound after each day. So a 5% interest rate equates to 0.0137% interest per day. This can be calculated by using this formula.
Investment x (1 + 5/365/100)365
The table below shows how daily compound interest is calculated by day.
Day Daily Interest Earned Value After Day
1 0.00 20.00
2 0.00 20.01
3 0.00 20.01
...... ...... ......
363 0.00 21.02
364 0.00 21.02
365 0.00 21.03
Future Value of 20 Compounded Annually Time Based on Return
Time 2% 4% 6% 8% 10%
1 Year 20 21 21 22 22
2 Years 21 22 22 23 24
3 Years 21 22 24 25 27
4 Years 22 23 25 27 29
5 Years 22 24 27 29 32
6 Years 23 25 28 32 35
7 Years 23 26 30 34 39
8 Years 23 27 32 37 43
9 Years 24 28 34 40 47
10 Years 24 30 36 43 52
11 Years 25 31 38 47 57
12 Years 25 32 40 50 63
13 Years 26 33 43 54 69
14 Years 26 35 45 59 76
15 Years 27 36 48 63 84
16 Years 27 37 51 69 92
17 Years 28 39 54 74 101
18 Years 29 41 57 80 111
19 Years 29 42 61 86 122
20 Years 30 44 64 93 135
21 Years 30 46 68 101 148
22 Years 31 47 72 109 163
23 Years 32 49 76 117 179
24 Years 32 51 81 127 197
25 Years 33 53 86 137 217
26 Years 33 55 91 148 238
27 Years 34 58 96 160 262
28 Years 35 60 102 173 288
29 Years 36 62 108 186 317
30 Years 36 65 115 201 349
31 Years 37 67 122 217 384
32 Years 38 70 129 235 422
33 Years 38 73 137 254 465
34 Years 39 76 145 274 511
35 Years 40 79 154 296 562
36 Years 41 82 163 319 618
37 Years 42 85 173 345 680
38 Years 42 89 183 373 748
39 Years 43 92 194 402 823
40 Years 44 96 206 434 905
41 Years 45 100 218 469 996
42 Years 46 104 231 507 1,095
43 Years 47 108 245 547 1,205
44 Years 48 112 260 591 1,325
45 Years 49 117 275 638 1,458
46 Years 50 121 292 689 1,604
47 Years 51 126 309 745 1,764
48 Years 52 131 328 804 1,940
49 Years 53 137 348 869 2,134
50 Years 54 142 368 938 2,348