Personal Investment Calculator

Simon Muthusi

About this app

Personal Investment Calculators is a free, easy-to-use financial toolkit that helps you plan your investments and savings with confidence. Whether you're growing a nest egg, saving for a major goal, or comparing compound interest scenarios, this app gives you clear answers — backed by interactive charts and detailed tables.

THREE POWERFUL CALCULATORS IN ONE APP. More to come

📈 Compound Interest Calculator See how your money grows over time with compound interest. Enter your initial investment, monthly contribution, interest rate, and compounding frequency (annually, quarterly, monthly, or daily). Add a variance range to compare optimistic and conservative interest rate scenarios side by side. Results are displayed as an interactive line graph with a year-by-year breakdown table.

🎯 Savings Goal Calculator Set a target savings amount and find out exactly how much you need to contribute each month to reach it. Input your goal, initial investment, time horizon, interest rate, and compounding frequency. The app calculates your required monthly contribution and shows your projected growth through a detailed chart and data table.

💰 Savings Growth Calculator Project your total savings over time with regular contributions and compound interest. Choose your starting amount, return rate, compounding frequency, and additional contributions — at the beginning or end of each month or year. View your results as an end balance breakdown, a donut chart showing the split between starting amount, contributions, and interest, plus a line graph of your accumulation over time.

KEY FEATURES

• Three essential investment and savings calculators • Interactive line charts and donut charts for visual insights • Year-by-year data tables you can show or hide • Multiple compounding frequencies: annually, quarterly, monthly, daily • Interest rate variance comparison for scenario planning • Multi-currency support: USD, KES, GBP, JPY, CAD, AUD, ZAR • Clean, modern Material Design 3 interface • Responsive layout — optimized for phones and tablets • Step-by-step guided input for every calculator • No account required — just open and calculate • No ads, no tracking

WHO IS THIS APP FOR?

• Anyone planning to save or invest money • Students learning about compound interest • Professionals comparing investment scenarios • Savers working toward a specific financial goal

SUPPORTED CURRENCIES

US Dollar (USD), Kenyan Shilling (KES), British Pound (GBP), Japanese Yen (JPY), Canadian Dollar (CAD), Australian Dollar (AUD), South African Rand (ZAR)

Start planning your financial future today. Download Personal Investment Calculators — your free, all-in-one savings and investment planning tool.

What’s new

A powerful tool to manage and anticipate personal investments. This personal investment calculator has the capability
1. Compound interest
2. Goal savings calculator
3. Wealth growth calculators