Savings & Investments
Compound interest, savings and investment calculators to help your money grow.
Savings & Investments calculators
Compound Interest Calculator
This compound interest calculator shows how your money can grow when the interest you earn...
Use calculator →Interest Calculator
Use our free Interest Calculator to get an instant estimate.
Use calculator →Premium Bonds Calculator
Use our free Premium Bonds Calculator to get an instant estimate.
Use calculator →Savings Calculator
This savings calculator shows how much your money could grow once interest starts working...
Use calculator →Investment Calculator
This investment calculator shows roughly how much a lump sum and regular monthly contribut...
Use calculator →ISA Calculator
This ISA calculator shows how much your Cash or Stocks & Shares ISA could be worth aft...
Use calculator →Dividend Yield Calculator
Use our free Dividend Yield Calculator to get an instant estimate.
Use calculator →Regular Savings Calculator
This regular savings calculator works out what a monthly regular saver account could grow...
Use calculator →FIRE Calculator
Use our free FIRE Calculator to get an instant estimate.
Use calculator →Gilt Yield Calculator (After-Tax)
Work out the real, after-tax return on a UK government gilt - and see the savings rate you...
Use calculator →Gilt Ladder Calculator
Spread a lump sum across gilts maturing in successive years, so cash comes back to you ste...
Use calculator →Gilt vs Savings vs ISA Calculator
Where should your cash live? Compare the after-tax return on the same lump sum across a ta...
Use calculator →Index-Linked Gilt Calculator
Index-linked gilts ("linkers") protect your buying power: the principal grows with inflati...
Use calculator →Personal Savings Allowance Calculator
Our personal savings allowance calculator shows how much of your savings interest is tax-f...
Use calculator →Lifetime ISA Calculator
A Lifetime ISA (LISA) gives you a 25% government bonus on up to £4,000 a year - up to £1,0...
Use calculator →Savings & Investments tools
Make your money work harder
Whether you are building an emergency fund, saving for a deposit or investing for the long term, understanding how your money grows is the first step. Our savings and investment calculators show the effect of interest, contributions and time so you can set realistic goals and reach them sooner.
The Compound Interest Calculator is the place to start — it shows how returns earned on your returns snowball over the years. Use the Savings Calculator and Regular Savings Calculator to plan monthly deposits, and the Interest Calculator to compare account rates.
Tax-efficient and goal-based saving
Saving inside an ISA shelters your returns from tax. The ISA Calculator projects how your allowance could grow over time. Prefer the thrill of a draw? The Premium Bonds Calculator estimates typical prize returns on your holding.
Investors can model long-term growth with the Investment Calculator and check income with the Dividend Yield Calculator. Dreaming of early retirement? The FIRE Calculator shows the pot you need to achieve Financial Independence and Retire Early. Every calculator is free, instant and needs no sign-up.
