Savings Calculator

Project how your savings could grow over time with regular deposits and compound interest.

All calculations run in your browser. No data is sent anywhere.

Savings Projection

Total Deposits
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Final Balance
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Total Interest Earned
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Growth Factor
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Projections assume a constant interest rate. Actual returns may vary. Interest rates may be subject to tax depending on your Personal Savings Allowance.

About the Savings Calculator

This savings calculator helps you understand how your money can grow over time with compound interest. Whether you are saving for a house deposit, a holiday, an emergency fund, or a long-term goal, you can adjust your initial deposit, monthly contributions, and interest rate to see the potential outcome.

Understanding compound interest

Compound interest means you earn interest on both your original savings and the interest already added. Over time, this creates a snowball effect that can significantly boost your savings. The more frequently interest compounds, the faster your money grows.

Tips for growing your savings

  • Start as early as possible to maximise the benefit of compounding.
  • Set up a regular monthly deposit to build savings consistently.
  • Compare savings accounts and notice accounts to find competitive rates.
  • Consider using your ISA allowance for tax-free savings.

Frequently asked questions

How much should I save each month?

A common rule of thumb is to save 10-20% of your monthly income, but any amount you can set aside regularly will make a difference over time.

What is the Personal Savings Allowance?

Basic rate taxpayers can earn up to 1,000 in savings interest tax-free. Higher rate taxpayers have a 500 allowance. Additional rate taxpayers have no allowance.

Should I save or invest?

Savings accounts are lower risk and suitable for short-term goals. Investing may offer higher returns over the long term but comes with more risk.