UK Finance Calculators

Clear answers for UK money decisions

Five free calculators for everyday UK finance decisions — stamp duty, salary, mortgage, personal loans, and student finance. Built for UK taxpayers and homebuyers.

Every calculator uses current HMRC rates and thresholds, with instant results and plain-English breakdowns. Pick any calculator below to get started.

Stamp Duty Calculator

Estimate SDLT instantly for home movers, first-time buyers, and additional properties.

Salary Calculator

Work out take-home pay with UK tax bands, National Insurance, and pension options.

Mortgage Calculator

Estimate monthly repayments and interest cost based on deposit, rate, and term.

Loan Calculator

Estimate monthly repayments and total borrowing cost for fixed-rate personal loans.

Student Loan Calculator

Compare UK student loan plans and model repayment timelines from salary growth.