See how your savings can grow over time with compound interest. Plan for your financial goals with UK-specific rates.
| Year | Start Balance | Contributions | Interest | End Balance |
|---|
Tax-free savings up to £20,000 per year. Current rates: 3.5% - 5.2%
Invest in markets tax-free. Historical returns: 5-8% but capital at risk.
Lock your money for 1-5 years for higher rates. Current: 4.5% - 5.5%
25% government bonus up to £1,000/year. For first homes or age 60+.
AER (Annual Equivalent Rate) shows what you'd earn if interest was compounded annually. Gross rate is before tax. This calculator uses AER for accurate comparisons.
Basic rate taxpayers: £1,000. Higher rate: £500. Additional rate: £0. Interest in ISAs is always tax-free regardless of amount.
Easy access accounts: 3-5%. Fixed rate bonds: 4-6%. Regular savers: 5-7% (limited amounts). Stocks & Shares ISAs: 5-8% historically but variable.
If inflation is higher than your interest rate, your purchasing power decreases. For example, 4% interest with 2% inflation gives 2% real return.
If you exceed your PSA (£1,000/£500), use an ISA. Also use ISA for long-term growth to avoid future tax on accumulated interest.
Varies by account: monthly, annually, or at maturity. More frequent compounding (monthly) gives slightly higher returns than annual.
Important: This savings calculator provides estimates based on the information you enter. Actual returns depend on the specific account terms, interest rates (which can change), and your tax situation. Business Outstanders is not a financial advisor. Always check terms with your provider.