Free money tools
Every tool is free, needs no sign-up, and runs entirely in your browser. Not sure where to start? Take the Money Health Check and it will point you at the right one.
Income & tax
What you earn, what you keep, and every tax in between.
Take-home pay calculator
→What your salary actually pays after tax, NI, pension and student loan.
Student loan repayment calculator
→What comes out of your payslip on every plan, and when the loan is written off.
Bonus tax calculator
→What you keep of a bonus after tax, NI and student loan, including the 60% trap.
Salary sacrifice calculator
→What giving up salary for pension really costs your take-home, with the NI bonus.
Self-employed tax calculator
→Income tax, Class 4 NI and payments on account from your trading profit.
Dividend tax calculator
→Salary plus dividends: what a limited company director actually keeps.
Capital gains tax calculator
→CGT on shares or property, with the £3,000 allowance and band-by-band rates.
Tax code checker
→What your tax code means, and whether HMRC is taking too much from your pay.
Maternity and paternity pay calculator
→Your month-by-month income through parental leave, SMP and employer top-ups included.
Redundancy pay calculator
→Your statutory entitlement, the tax-free £30,000, and what the package pays after tax.
Pay rise calculator
→What a raise is really worth each month after tax, and the traps that shrink it.
Savings & pensions
Build the buffer, grow the pot, retire on purpose.
Emergency fund calculator
→Your target buffer in pounds, and how long it will take to build.
Savings goal planner
→Turn an amount and a date into the monthly number that gets you there.
Pension contribution checker
→What your match is worth, and what raising contributions costs you in real take-home.
ISA and savings rate checker
→What your idle cash earns now vs a competitive rate, in pounds per year.
Compound interest calculator
→What investing monthly grows into over 10, 20, 30 years.
Pension drawdown calculator
→How long your pot lasts at a given income, with growth and inflation built in.
UK inflation calculator
→What money from any year is worth today, using official UK inflation data.
Net worth calculator
→Everything you own minus everything you owe, broken down and easy to track.
State pension top-up calculator
→Whether buying missing National Insurance years pays for itself, and how fast.
Lifetime ISA calculator
→What the 25% bonus is worth by your buying date, and the real cost of withdrawing early.
Home & mortgages
Buying, overpaying, and whether to buy at all.
Mortgage overpayment calculator
→What an extra monthly payment does to your term and total interest.
Stamp duty calculator
→SDLT band by band: first-time buyer, moving home or additional property.
Mortgage affordability calculator
→What you could borrow and the price range to shop in, stress test included.
Rent vs buy calculator
→Year by year, which builds more wealth: renting and investing, or buying.
Mortgage repayment calculator
→Your monthly payment, total interest, and the year-by-year balance on any mortgage.
Remortgage calculator
→Whether switching deals saves money after the arrangement fee and any exit charge.
Budgeting & debt
Where the money goes, and the fastest way out of debt.
Debt payoff planner
→Avalanche vs snowball: when you will be clear, and the interest you save.
Budget planner
→Split your take-home into needs, wants and savings with the 50/30/20 rule.
Subscription audit
→Add up your subscriptions, see the yearly total, and find the ones you forgot.
Income protection guide
→What happens if you cannot work, and the cheapest ways to cover the gap.
Childcare cost calculator
→Free hours and Tax-Free Childcare: your real monthly nursery bill in England.
Loan repayment calculator
→Monthly cost and total interest on a personal loan, and what overpaying saves.
Credit card minimum payment calculator
→How long minimum payments really take to clear a card, and the fix that saves years.
Life insurance needs calculator
→How much cover your family would actually need, built from your debts and income.
Car finance calculator
→PCP, HP or a loan: the true total cost of each way to pay for the same car.
Benefits entitlement checker
SoonUniversal Credit, child benefit and childcare support: what your household could claim.