$3 Compound Interest Calculator

How much will an investment of $3 be worth in the future?
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Years
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Use this calculator to see how an investment will grow over time. You can choose interest to compound daily, weekly, monthly, or annually. Select the per year option if you'd like to see annual simple interest. You can also choose to add to it every day, every week, every month, or every year.

Investing money over time is the best way to grow your savings. It's amazing how compound interest can grow over time.
Savings Table Based on a $3 Investment. Interest is Compounded Annually. This can be useful to estimate how much your savings will grow. However, investment returns are variable in the real world. Common investments include the stock market, such as an S&P index fund, a REIT, or bonds.
Year 2% 4% 6% 8% 10%
0 3 3 3 3 3
1 3 3 3 3 3
2 3 3 3 3 4
3 3 3 4 4 4
4 3 4 4 4 4
5 3 4 4 4 5
6 3 4 4 5 5
7 3 4 5 5 6
8 4 4 5 6 6
9 4 4 5 6 7
10 4 4 5 6 8
11 4 5 6 7 9
12 4 5 6 8 9
13 4 5 6 8 10
14 4 5 7 9 11
15 4 5 7 10 13
16 4 6 8 10 14
17 4 6 8 11 15
18 4 6 9 12 17
19 4 6 9 13 18
20 4 7 10 14 20
21 5 7 10 15 22
22 5 7 11 16 24
23 5 7 11 18 27
24 5 8 12 19 30
25 5 8 13 21 33
26 5 8 14 22 36
27 5 9 14 24 39
28 5 9 15 26 43
29 5 9 16 28 48
30 5 10 17 30 52
Savings Table Based on a 0.003k Investment. Interest is Compounded Annually.
5 years 10 years 15 years 30 years 50 years
0.25% $3 $3 $3 $3 $3
0.5% $3 $3 $3 $3 $4
0.75% $3 $3 $3 $4 $4
1% $3 $3 $3 $4 $5
1.25% $3 $3 $4 $4 $6
1.5% $3 $3 $4 $5 $6
1.75% $3 $4 $4 $5 $7
2% $3 $4 $4 $5 $8
2.25% $3 $4 $4 $6 $9
2.5% $3 $4 $4 $6 $10
2.75% $3 $4 $5 $7 $12
3% $3 $4 $5 $7 $13
3.25% $4 $4 $5 $8 $15
3.5% $4 $4 $5 $8 $17
3.75% $4 $4 $5 $9 $19
4% $4 $4 $5 $10 $21
4.25% $4 $5 $6 $10 $24
4.5% $4 $5 $6 $11 $27
4.75% $4 $5 $6 $12 $31
5% $4 $5 $6 $13 $34
5.25% $4 $5 $6 $14 $39
5.5% $4 $5 $7 $15 $44
5.75% $4 $5 $7 $16 $49
6% $4 $5 $7 $17 $55
6.25% $4 $6 $7 $18 $62
6.5% $4 $6 $8 $20 $70
6.75% $4 $6 $8 $21 $79
7% $4 $6 $8 $23 $88
7.25% $4 $6 $9 $24 $99
7.5% $4 $6 $9 $26 $112
7.75% $4 $6 $9 $28 $125
8% $4 $6 $10 $30 $141
8.25% $4 $7 $10 $32 $158
8.5% $5 $7 $10 $35 $177
8.75% $5 $7 $11 $37 $199
9% $5 $7 $11 $40 $223
9.25% $5 $7 $11 $43 $250
9.5% $5 $7 $12 $46 $280
9.75% $5 $8 $12 $49 $314
10% $5 $8 $13 $52 $352