UK Financial
Calculators Hub

Yes — all six UK financial calculators are 100% free. No account, email address, or subscription is required. Every tool runs directly in your browser and no personal data is stored or transmitted.

The UK personal allowance for the 2025–26 tax year is £12,570 — meaning you pay no Income Tax on the first £12,570 of your annual earnings. The basic rate of 20% applies on income between £12,571 and £50,270. The higher rate of 40% applies between £50,271 and £125,140. The additional rate of 45% applies above £125,140. Our UK Income Tax Calculator applies all of these bands automatically.

UK student loan repayments are income-based, not loan-balance-based. Plan 2 borrowers repay 9% of income above £27,295 per year. Plan 1 borrowers repay 9% above £24,990. Plan 5 (new from 2023) repays 9% above £25,000 with a 40-year write-off period. Repayments are automatic through payroll (PAYE) and stop if your income drops below the threshold. Our UK Student Loan Calculator shows your exact monthly repayment and total cost.

The minimum deposit for a UK residential mortgage is typically 5% of the property value, giving a maximum 95% LTV (Loan-to-Value). However, most lenders offer better rates at 10–15% deposit, and the best rates are reserved for 40%+ deposits. First-time buyers may access Help to Buy or Lifetime ISA support. Our UK Mortgage Calculator includes deposit, LTV, and rate options to show your full monthly cost.

When the UK inflation rate (measured by CPI or RPI) exceeds your savings interest rate, your money loses real purchasing power each year. For example, if inflation is 4% and your savings account pays 3%, your real return is −1% annually. Our UK Inflation Calculator uses ONS official data to show exactly how much purchasing power any amount has lost or gained over a chosen time period.

There are two popular strategies: the avalanche method (pay off highest interest rate debt first — saves the most money overall) and the snowball method (pay off smallest balance first — provides psychological wins to keep you motivated). Our UK Debt Repayment Calculator models both strategies side-by-side so you can see the total interest saved and payoff date for each approach.

London is significantly more expensive than other UK cities. A single professional in London typically spends £2,500–£4,500 per month, compared to £1,500–£2,500 in Manchester or Birmingham. Edinburgh costs are similar to major English cities outside London. Rent is the biggest variable — London rent is often 50–80% higher than equivalent accommodation in regional cities. Use our UK Cost of Living Calculator to compare your specific situation city by city.