Savings & Investments Calculators
Compound interest, ISA growth, emergency funds and inflation. Put your savings plan on a solid footing.
Savings Calculator
Project how your savings grow with monthly contributions and compound interest over time.
Use calculatorISA Calculator
Project tax-free ISA savings growth with monthly contributions and compound interest.
Use calculatorEmergency Fund Calculator
See how much you need for an emergency fund and how long it will take to build it.
Use calculatorInflation Calculator
See how much a price rises with inflation and what your money will be worth in real terms.
Use calculatorFuture Value Calculator
Project how a single lump sum grows with compound interest over time.
Use calculatorCapital Gains Tax Calculator
Calculate the Capital Gains Tax on your shares, property and other assets, including the £3,000 annual exempt amount.
Use calculatorSavings Interest Tax Calculator
See how much tax you pay on savings interest, including the £1,000 Personal Savings Allowance.
Use calculatorRead up on savings & investments
New to the topic? Start with a plain-English guide, then put the numbers into the calculators above.
How much should I save?
A realistic savings target for your income and goals.
Read the guide Personal FinanceBuilding an emergency fund
Three to six months of costs — and how to get there.
Read the guide Personal FinanceHow compound interest works
The eighth wonder of the world, with real numbers.
Read the guide TaxCapital Gains Tax explained
How Capital Gains Tax works — the £3,000 allowance, the 18% and 24% rates, and when you pay it.
Read the guide TaxSavings interest tax explained
The Personal Savings Allowance and tax on savings interest — £1,000 for basic-rate, £500 for higher-rate, and what happens above.
Read the guide