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The Money CalculatorUK Tax & Finance Tools
Tax year 2026/27  ·  Bank of England base rate 3.75%

Pay down debt or invest?

If you've got spare cash each month, is it better to overpay your debt or invest the difference? Paying debt earns a guaranteed return equal to its interest rate; investing earns an uncertain one. This runs both strategies over the same budget and time, so you can see the gap in pounds.

Your numbers

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2 yr10 years35 yr
The verdict
£0

Two strategies, same £/month

Worth knowing

These results are estimates for general information only and are not financial advice. Check every figure yourself and seek appropriate advice from a qualified professional before making any decision. Read the full disclaimer.