Borrowing Power Calculator
Rough estimate of how much you might borrow based on income. Illustration only. Free.
Borrowing power calculator
Get a rough idea of how much you might be able to borrow based on your income and a typical income multiple (e.g. 4–4.5x for mortgages), minus existing commitments. Lenders use their own affordability rules; this is for illustration only.
Frequently Asked Questions
What is a borrowing power calculator?
A tool that gives a rough idea of how much you might be able to borrow, based on income and a multiple (e.g. 4–4.5x) minus existing commitments. Lenders use their own affordability rules.
How is borrowing power calculated?
A simple approach: (income × multiplier) − existing annual commitments = approximate max loan. Multipliers vary by lender; 4 to 4.5 times income is often cited for mortgages. This is illustration only.
Is the borrowing power calculator free?
Yes. Free to use. For illustration only; your lender will assess affordability properly.
What income do I use?
Use gross annual income (before tax). For joint applications, add both incomes. Some lenders use bonus or overtime; this calculator uses a single income and multiplier.
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<p>Calculator: <a href="https://onlinecalculator.co.uk/finance/borrowing-power-calculator" target="_blank">Borrowing Power Calculator</a> - OnlineCalculator.co.uk</p>APA Style Citation:
OnlineCalculator.co.uk. (2025). Borrowing Power Calculator. Retrieved from https://onlinecalculator.co.uk/finance/borrowing-power-calculatorNote: This calculator is free to use and reference. No permission required for educational or commercial citation.