Turn small steps into lasting growth
This handy calculator shows you how your money can grow over time when you make regular contributions—and let compound interest do the hard work. Whether you’re saving for your child’s future, building up an investment pot, or just curious about what time and consistency can achieve, this tool helps you visualise the power of long-term planning.
What you’ll discover:
- How regular monthly deposits accelerate growth
- The impact of different interest rates and timeframes
- How your savings could look in 5, 10 or even 20 years
It’s quick to use, and easy to tweak the numbers to suit your goals. Just enter your starting amount, monthly contribution, interest rate, and time period—and let the calculator do the rest.
Because when it comes to growing wealth, the most powerful ingredient isn’t luck—it’s consistency.
Compound Interest Calculator
Other Money Simplified articles
£100k Tax Trap Calculator
Use this calculator to estimate how much pension contribution, Gift Aid, or salary-sacrifice you need…
How to Transfer Money from a Cash or Stocks & Shares ISA into a Lifetime ISA (LISA)
Introduction If you’re saving for your first home or retirement, the Lifetime ISA (LISA) can…
What UK Investors & Savers Should Watch in the Autumn 2025 Budget
With the Autumn Budget set for 26 November 2025, UK savers and investors are bracing…
Spending Category Analyzer – Track & Optimize Your Monthly Budget
Discover how your monthly spending aligns with recommended budgeting thresholds using our Spending Category Analyzer….
Retirement Gap Analyser
Do your retirement plans cover the lifestyle you want? The Retirement Gap Analyser compares your…
Pension Drawdown Simulator
Wondering how long your retirement savings will last? Our Pension Drawdown Simulator helps you model…