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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

Free Financial Calculators

Plan your savings, estimate loan repayments, project retirement corpus, and calculate trading fees — all with free, easy-to-use tools.

Investment Calculators

Savings Calculator

Estimate returns on periodic savings with Nigerian money market rates.

Step-Up Savings Calculator

See how annual salary increments boost your long-term wealth.

Loan/Mortgage EMI Calculator

Calculate monthly repayments on loans at Nigerian interest rates.

Loan Repayment Calculator

Estimate monthly repayments, total interest, and overpayment savings.

Systematic Withdrawal Calculator

Plan periodic withdrawals from your investment corpus.

Retirement Calculator

Estimate the corpus you need for a comfortable retirement in Nigeria.

Pension (RSA) Calculator

Project your RSA balance based on CPS employer and employee contributions.

Systematic Transfer Calculator

Model transfers between Nigerian fund types over time.

Inflation Savings Calculator

Compare nominal vs real returns accounting for Nigerian inflation.

Inflation Retirement Calculator

See how inflation erodes your retirement corpus over time.

Investment Forecast Calculator

Project future portfolio value year by year with lump sum, monthly contributions, and inflation-adjusted real returns.

Stocks and Shares Calculator

Calculate capital gain, dividend income, total return, and annualised CAGR on any stock investment.

Dividend Yield Calculator

Estimate dividend income, reinvestment growth, and total returns on Nigerian stocks.

Profit Margin Calculator

Calculate gross profit margin, net profit margin, and markup percentage from revenue and cost figures.

NGX Trading Calculators

NGX Brokerage Calculator

Calculate SEC, CSCS, stamp duty, VAT, and broker fees on NGX trades.

Margin Trading Calculator

Estimate costs and returns of margin-funded stock purchases on NGX.

NGX Equity Margin Calculator

Determine margin requirements for equity positions on NGX.

Tax & Planning Calculators

Income Tax Calculator (PITA)

Calculate your Nigerian Personal Income Tax from your salary and see how RSA pension contributions reduce your PITA bill.

Pension Tax Relief Calculator

See how much PITA you save by making voluntary RSA contributions — calculate the true net cost of boosting your pension.

Pension Comparison Calculator

Compare your RSA balance against age-based benchmarks to see if your Nigerian pension is on track and how much to top up.

Longevity Calculator

Estimate how long you might live based on Nigerian health data and lifestyle factors — plan how many years of retirement income you need.

Annuity vs Programmed Withdrawal

Compare PENCOM's two retirement income options — fixed annuity vs programmed withdrawal — and see which gives you more monthly income.

Compound Interest Calculator

See exactly how your money grows with daily, monthly, quarterly or annual compounding. Includes year-by-year table and Effective Annual Rate.

Inflation Calculator

Calculate the real impact of Nigerian inflation on your purchasing power. Find future costs or how much you need to save today.

Household Budget Planner

Enter your income and all expenses in Naira across Nigerian-specific categories — rent, NEPA, generator, school fees — and instantly see your surplus or deficit.

Inheritance Tax Calculator

Nigeria has no federal inheritance tax. Estimate probate costs, legal fees, and the net estate available to your beneficiaries.

Capital Gains Tax Calculator

Estimate CGT liability at the Nigerian 10% flat rate on property, unlisted shares, and other assets. NGX-listed shares are CGT exempt.

US Market Calculators

US Options Margin Calculator

Calculate SPAN and Reg T margin for US equity options.

US Futures Margin Calculator

Look up CME initial and maintenance margins for US futures.

US Stock Margin Calculator

Estimate Reg T buying power and margin call trigger prices.

US Commodity Margin Calculator

Calculate margins for gold, oil, corn, and other CME commodities.

US Forex Margin Calculator

Compute pip values and required margin under CFTC leverage limits.

Options Pricing Calculator

Price options and compute Greeks using the Black-Scholes model.

Portfolio Margin Calculator

Estimate combined margin requirements across equities, options, and futures in one view.

Gross Margin Estimator

Estimate total collateral requirements for stock and derivatives positions using exchange margin rates.

Learn More About Investing

Use the calculators for planning, then explore how Shares Saver turns that plan into direct share ownership through a regulated Nigerian investment process.

What Is an Investment App?A plain-English guide to how investment apps work and what makes them different.Best Way to Start Investing with a Small AmountA practical guide to starting small and investing consistently over time.What Does It Mean to Own Shares in Your Own Name?Why direct registration matters for Nigerian investors building long-term wealth.

Ready to Start Saving?

Explore the Shares Saver investment app and start your journey towards owning shares.

Explore the Shares Saver Investment AppLearn How It Works