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Shares Saver is powered by Crown Capital Limited, a stockbroker registered and regulated by the Securities and Exchange Commission (SEC) of Nigeria. All securities transactions, including the purchase and sale of shares, are carried out through Crown Capital Limited. Shares Saver does not make any recommendations to buy, sell or otherwise deal in investments. Investors make their own investment decisions. The services and securities provided by Shares Saver may not be suitable for all customers and, if you have any doubts, you should seek advice from an independent financial adviser. The value of investments can go up as well as down and you may receive back less than your original investment.

  1. Home
  2. Calculators
  3. Compound Interest Calculator

Compound Interest Calculator

See exactly how your money grows with compound interest. Choose your compounding frequency and watch the power of time work for you.

₦
050,000,000
%
140
years
140

Estimated Results

Principal
₦500,000
Total Interest Earned
₦1,511,235
Future Value₦2,011,235

Effective Annual Rate (EAR)

14.934%

Year-by-Year Growth

YearBalanceInterest to Date
1₦574,671+₦74,671
2₦660,494+₦160,494
3₦759,133+₦259,133
4₦872,503+₦372,503
5₦1,002,805+₦502,805
6₦1,152,566+₦652,566
7₦1,324,692+₦824,692
8₦1,522,525+₦1,022,525
9₦1,749,901+₦1,249,901
10₦2,011,235+₦1,511,235

Disclaimer

This calculator is for educational and illustrative purposes only. It does not constitute financial, investment, or tax advice. Results are estimates based on the inputs you provide and may not reflect actual returns. Consult a qualified financial advisor before making any investment decisions.

Turn The Numbers Into a Plan

Use these calculators to model outcomes, then see how Shares Saver helps you build direct ownership of Nigerian stocks through a regulated, long-term investing process.

Explore the Investment AppLearn About Direct Ownership

Related Reading

Best Way to Start Investing with a Small AmountHow to begin investing consistently without waiting for a large lump sum.How to Buy Shares in NigeriaA step-by-step walkthrough for first-time investors.Common Mistakes First-Time Share Investors MakeAvoid the most common errors that slow down new investors.How Dividends Work in Nigerian StocksUnderstand how dividend income fits into long-term wealth building.

How Is This Calculated?

A = P × (1 + r/n)^(n × t)

Where:

AFuture value (amount after interest)
PPrincipal (initial investment)
rAnnual interest rate (as a decimal)
nCompounding periods per year
tTime in years
EAR(1 + r/n)ⁿ − 1 — the true annual growth rate

Frequently Asked Questions

Compound interest means you earn interest not just on your original principal but also on all the interest you have already accumulated. Over time this creates an exponential "snowball" effect — the longer your money stays invested, the faster it grows.
The more frequently interest is compounded, the more you earn. Daily compounding gives slightly more than monthly, which gives more than annual. The difference becomes significant over longer time horizons and at higher interest rates.
The EAR (also called the Annual Equivalent Rate or AER) accounts for compounding frequency and shows the true annual rate of growth. For example, 14% compounded monthly gives an EAR of approximately 14.93% — the actual growth rate you experience each year.
Nigerian money market funds have historically returned 10–18% per annum, depending on the CBN Monetary Policy Rate. Treasury bills track the benchmark rate. Fixed deposits at commercial banks typically offer 8–15%. Equities can return more but with higher volatility.
Yes. A 10% withholding tax (WHT) is typically deducted at source on interest income in Nigeria. This calculator shows pre-tax returns. Your net after-tax growth will be lower than the figures shown.

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