Financial Literacy
Build confidence with UK financial calculations. Each exercise generates unlimited random questions with instant feedback and worked solutions — no sign-up required.
Practise finding percentages, percentage change and reverse-percentage problems with instant feedback.
Practise adding 20% VAT, removing VAT from gross prices and working with the 5% reduced rate.
Build intuition for how compound interest grows savings and debts over time with worked examples.
Practise calculating UK Income Tax manually using the 2026/27 bands for England, Wales and NI.
Practise converting GBP to EUR, PLN, UAH and RON using realistic exchange rates.
Practise calculating Class 1 employee National Insurance using 2026/27 thresholds and rates.
Practise calculating Stamp Duty Land Tax for residential property purchases in England, including first-time buyer relief.
Practise calculating auto-enrolment pension contributions using qualifying earnings and minimum rates.
Practise calculating annual student loan repayments across Plan 1, Plan 2, Plan 5 and Postgraduate Loan thresholds.
Practise calculating Scottish Income Tax using the 2026/27 six-band system with band-by-band breakdowns.
Practise calculating Inheritance Tax using the Nil-Rate Band, Residence Nil-Rate Band and 40% rate.
Practise calculating UK Dividend Tax using the 2026/27 £500 allowance and basic/higher-rate bands.
Practise calculating CGT using the 2026/27 £3,000 annual exemption and 18%/24% rates on chargeable gains.
Practise calculating maximum borrowing, monthly repayments, and total interest on UK mortgages using real-world affordability rules.
Practise ISA allowance calculations: splitting the GBP 20,000 annual limit across account types, LISA bonus mechanics, and tax-free growth.
Practise National Living Wage and National Minimum Wage calculations for 2026/27, including weekly and annual pay by age band and spotting underpayment.
Practise salary sacrifice calculations: NI savings for employee and employer, net cost of pension contributions, and cycle-to-work scheme examples.
Practise UK Corporation Tax calculations for 2026/27: small profits rate (19%), main rate (25%), and marginal relief for profits between GBP 50,000 and GBP 250,000.
Understanding the maths behind tax, VAT, interest rates and property costs helps you make better financial decisions — from checking your payslip and VAT invoices to comparing savings accounts, understanding what a pay rise is really worth, or knowing your SDLT bill before you exchange contracts. Each exercise here is grounded in real UK figures for 2026/27, so the numbers you practise with are the ones you will actually encounter.
Employees
Decode your payslip — Income Tax, NI and pension contributions explained through practice.
Business owners
Handle VAT invoices, reverse VAT, percentage margins and supplier calculations confidently.
Home buyers
Calculate Stamp Duty before you make an offer, and understand compound interest on your mortgage.
