Compound interest calculator. Naira-first.
See exactly how a monthly tranche compounds over 1 to 30 years. Presets cover the rates a Nigerian investor actually faces: T-bills, money market funds, NGX bull cycles, and aggressive equity / FX plays. Adjust any field and the year-by-year table, chart, and shareable summary update live.
₦100.0K
₦
18.0%
15 years
1y10y20y30y
In 15 years, your ₦100.0K/month becomes ₦80.1M.
Invested₦18.0M
Final value₦80.1M
Multiple4.5×
Growth curve
PortfolioInvested
Year-by-year
15 rows| Year | Invested | Value | Returns |
|---|---|---|---|
| 1 | ₦1,200,000 | ₦1,314,043 | ₦114,043 |
| 2 | ₦2,400,000 | ₦2,864,613 | ₦464,613 |
| 3 | ₦3,600,000 | ₦4,694,286 | ₦1,094,286 |
| 4 | ₦4,800,000 | ₦6,853,301 | ₦2,053,301 |
| 5 | ₦6,000,000 | ₦9,400,938 | ₦3,400,938 |
| 6 | ₦7,200,000 | ₦12,407,149 | ₦5,207,149 |
| 7 | ₦8,400,000 | ₦15,954,479 | ₦7,554,479 |
| 8 | ₦9,600,000 | ₦20,140,328 | ₦10,540,328 |
| 9 | ₦10,800,000 | ₦25,079,630 | ₦14,279,630 |
| 10 | ₦12,000,000 | ₦30,908,006 | ₦18,908,006 |
| 11 | ₦13,200,000 | ₦37,785,490 | ₦24,585,490 |
| 12 | ₦14,400,000 | ₦45,900,921 | ₦31,500,921 |
| 13 | ₦15,600,000 | ₦55,477,129 | ₦39,877,129 |
| 14 | ₦16,800,000 | ₦66,777,055 | ₦49,977,055 |
| 15 | ₦18,000,000 | ₦80,110,968 | ₦62,110,968 |