$30 Compound Interest Calculator

Calculate the future value of 30.
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How Much Will an Investment of 30 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 $30 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 $30 will be worth $32 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 0.13 30.13
2 0.13 30.25
3 0.13 30.38
...... ...... ......
10 0.13 31.27
11 0.13 31.40
12 0.13 31.53
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 0.03 30.03
2 0.03 30.06
3 0.03 30.09
...... ...... ......
49 0.03 31.45
50 0.03 31.48
51 0.03 31.51
52 0.03 31.54
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 30.00
2 0.00 30.01
3 0.00 30.01
...... ...... ......
363 0.00 31.53
364 0.00 31.53
365 0.00 31.54
Future Value of 30 Compounded Annually Time Based on Return
Time 2% 4% 6% 8% 10%
1 Year 31 31 32 32 33
2 Years 31 32 34 35 36
3 Years 32 34 36 38 40
4 Years 32 35 38 41 44
5 Years 33 36 40 44 48
6 Years 34 38 43 48 53
7 Years 34 39 45 51 58
8 Years 35 41 48 56 64
9 Years 36 43 51 60 71
10 Years 37 44 54 65 78
11 Years 37 46 57 70 86
12 Years 38 48 60 76 94
13 Years 39 50 64 82 104
14 Years 40 52 68 88 114
15 Years 40 54 72 95 125
16 Years 41 56 76 103 138
17 Years 42 58 81 111 152
18 Years 43 61 86 120 167
19 Years 44 63 91 129 183
20 Years 45 66 96 140 202
21 Years 45 68 102 151 222
22 Years 46 71 108 163 244
23 Years 47 74 115 176 269
24 Years 48 77 121 190 295
25 Years 49 80 129 205 325
26 Years 50 83 136 222 358
27 Years 51 87 145 240 393
28 Years 52 90 153 259 433
29 Years 53 94 163 280 476
30 Years 54 97 172 302 523
31 Years 55 101 183 326 576
32 Years 57 105 194 352 633
33 Years 58 109 205 380 697
34 Years 59 114 218 411 766
35 Years 60 118 231 444 843
36 Years 61 123 244 479 927
37 Years 62 128 259 517 1,020
38 Years 64 133 275 559 1,122
39 Years 65 138 291 603 1,234
40 Years 66 144 309 652 1,358
41 Years 68 150 327 704 1,494
42 Years 69 156 347 760 1,643
43 Years 70 162 368 821 1,807
44 Years 72 168 390 887 1,988
45 Years 73 175 413 958 2,187
46 Years 75 182 438 1,034 2,405
47 Years 76 190 464 1,117 2,646
48 Years 78 197 492 1,206 2,911
49 Years 79 205 521 1,303 3,202
50 Years 81 213 553 1,407 3,522