Savings & Investment Calculators

Calculate how your savings grow with compound interest over time. See the power of compounding with regular contributions.

Calculate your tax-free ISA savings growth with the £20,000 annual allowance. Compare Cash ISA and Stocks & Shares ISA.

Calculate LISA growth with the 25% government bonus. For first homes (up to £450K) or retirement (60+).

Calculate nominal and real (inflation-adjusted) investment returns with monthly contributions over time.

Calculate capital gains tax on share sales. Includes annual exempt amount, basic/higher rates and ISA tip.

Project Stocks & Shares ISA growth with capital appreciation and dividends. See tax saved vs taxable account.

Calculate how long to reach your savings goal or how much to save monthly to hit a target date.

Calculate expected returns and prize odds for NS&I Premium Bonds based on your holding.

Calculate tax on savings interest above your Personal Savings Allowance. See max tax-free savings.

Calculate the real return on investments after accounting for inflation. See purchasing power impact.

Estimate how long it takes to double your money at a given interest rate using the Rule of 72.

See how much you lose by waiting to invest. Compare starting now vs delaying by 1-10+ years.

Calculate how much a Junior ISA will be worth when your child turns 18. Tax-free growth with £9,000/year limit.

Calculate returns on a regular saver account with monthly deposits. See effective vs headline rate.

Project wealth growth over time with annual savings and compound returns. See milestones (£100K, £1M).

Calculate annual dividend income and project portfolio growth with or without reinvestment (DRIP).

Calculate Help to Save returns with the 50% government bonus. Max £50/month for 4 years.

Calculate savings interest with different compounding frequencies. See AER vs nominal rate.