Compound interest calculator

Initial deposit

Monthly contribution

Yearly increase of the contribution

Interest rate (nominal)

% per year

Years to grow

years

Compounding frequency

Contributions made

Inflation rate (optional)

% per year

Adds the buying power of the final balance in today’s money. 0 = off.

Savings goal (optional)

Shows after how many years and months the balance reaches this amount. 0 = off.

Result

Final balance: 68,229.96
Total contributions (incl. initial deposit): 34,000.00
Total interest earned: 34,229.96
Tax: –
Effective annual rate (APY / AER): 5.12%
Buying power in today’s money: –
Goal reached after: –
Time to double a single deposit: 13.9 years (rule of 72: 14.4 years)
Growth year by year: Year Contributions Interest Balance at year end
1 1,200.00 539.51 11,739.51
2 1,200.00 628.49 13,568.00
3 1,200.00 722.06 15,490.06
4 1,200.00 820.40 17,510.46
5 1,200.00 923.74 19,634.20
6 1,200.00 1,032.42 21,866.62
7 1,200.00 1,146.65 24,213.27
8 1,200.00 1,266.69 26,679.96
9 1,200.00 1,392.89 29,272.85
10 1,200.00 1,525.54 31,998.39
11 1,200.00 1,665.00 34,863.39
12 1,200.00 1,811.57 37,874.96
13 1,200.00 1,965.66 41,040.62
14 1,200.00 2,127.62 44,368.24
15 1,200.00 2,297.84 47,866.08
16 1,200.00 2,476.81 51,542.89
17 1,200.00 2,664.90 55,407.79
18 1,200.00 2,862.65 59,470.44
19 1,200.00 3,070.52 63,740.96
20 1,200.00 3,289.00 68,229.96

Year	Contributions	Interest	Balance at year end
1	1,200.00	539.51	11,739.51
2	1,200.00	628.49	13,568.00
3	1,200.00	722.06	15,490.06
4	1,200.00	820.40	17,510.46
5	1,200.00	923.74	19,634.20
6	1,200.00	1,032.42	21,866.62
7	1,200.00	1,146.65	24,213.27
8	1,200.00	1,266.69	26,679.96
9	1,200.00	1,392.89	29,272.85
10	1,200.00	1,525.54	31,998.39
11	1,200.00	1,665.00	34,863.39
12	1,200.00	1,811.57	37,874.96
13	1,200.00	1,965.66	41,040.62
14	1,200.00	2,127.62	44,368.24
15	1,200.00	2,297.84	47,866.08
16	1,200.00	2,476.81	51,542.89
17	1,200.00	2,664.90	55,407.79
18	1,200.00	2,862.65	59,470.44
19	1,200.00	3,070.52	63,740.96
20	1,200.00	3,289.00	68,229.96