Personal cost-of-living change calculator UK
Compare your own housing, food, travel and other spending before and after a change. Check the formula, worked example and limits before using your own figures.
Enter your figures
Change in your spending basket
Inputs changed. Select Calculate result to update your estimate.
Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. A personal spending comparison, not the official CPI or a constant-quantity price index. Changes in what you buy also affect the result.
How the personal cost-of-living change calculator uk works
Personal change = (current basket − previous basket) ÷ previous basket × 100.
Data basis: mathematical formula using your inputs. Example prices and rates are illustrative, not current market quotes.
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Worked example: personal cost-of-living change
This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.
- Previous monthly housing (£)
- 900
- Current monthly housing (£)
- 1,000
- Previous monthly food (£)
- 250
- Current monthly food (£)
- 280
- Previous other monthly costs (£)
- 500
- Current other monthly costs (£)
- 550
Change in your spending basket: 10.91%
Personal change = (current basket − previous basket) ÷ previous basket × 100.
Personal cost-of-living change: questions answered
What does the personal cost-of-living change calculation include?
Personal change = (current basket − previous basket) ÷ previous basket × 100. Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. A personal spending comparison, not the official CPI or a constant-quantity price index. Changes in what you buy also affect the result.
Using your result
Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.
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