Inflation-Adjusted Salary Calculator

Has your pay kept up with prices? Enter two salaries and the official price index for each date.

Your details

Currency

Previous salary

GBP

Current salary

GBP

Previous CPI / index

Current CPI / index

Find CPI values at Kenya National Bureau of Statistics, Office for National Statistics, Statistics Canada, Statistics South Africa, Australian Bureau of Statistics, Stats NZ, Statistics Estonia, Hungarian Central Statistical Office, Federal Competitiveness and Statistics Centre, General Authority for Statistics, National Planning Council, Information & eGovernment Authority, Central Statistical Bureau, National Centre for Statistics and Information, Singapore Department of Statistics, Czech Statistical Office, Central Statistics Office, State Data Agency, Central Statistical Bureau of Latvia, Ghana Statistical Service, Statistics Mauritius, Vanuatu Bureau of Statistics, Department of Economic Planning and Statistics, National Statistics Office of Georgia.

Enter both salaries and both price index values to compare.

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AI-powered explanations that use only this calculator's formulas, your result and its listed sources.

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Tax / data year: Your inputs
Source: Official CPI you enter
Last verified: 5 Oct 2026
Version: 1.0.0

What this calculator tells you

A higher number on your payslip does not always mean you are better off. If prices rose faster than your pay, you can afford less than before.

This calculator compares your current salary with what you would need today to match the purchasing power of your previous salary, using the official price index values you provide.

Formula and methodology

Inflation
inflation% = (current_index ÷ previous_index − 1) × 100
Salary needed
needed = previous_salary × current_index ÷ previous_index
Real change
real = current_salary − needed
Real % change
real% = (current_salary ÷ needed − 1) × 100

Read the full methodology

Data sources

Kenya National Bureau of Statistics (KNBS)(opens in new tab)— Consumer Price Index (Kenya)
Office for National Statistics (ONS)(opens in new tab)— CPI / CPIH (United Kingdom)
Statistics Canada(opens in new tab)— Consumer Price Index (Canada)
Statistics South Africa (Stats SA)(opens in new tab)— Consumer Price Index (South Africa)
Australian Bureau of Statistics (ABS)(opens in new tab)— Consumer Price Index (Australia)
Stats NZ(opens in new tab)— Consumers Price Index (New Zealand)
Statistics Estonia(opens in new tab)— Consumer Price Index (Estonia)
Hungarian Central Statistical Office (KSH)(opens in new tab)— Consumer Price Index (Hungary)
Federal Competitiveness and Statistics Centre (FCSC)(opens in new tab)— Consumer Price Index (United Arab Emirates)
General Authority for Statistics (GASTAT)(opens in new tab)— Consumer Price Index (Saudi Arabia)
National Planning Council(opens in new tab)— Consumer Price Index (Qatar)
Information & eGovernment Authority(opens in new tab)— Consumer Price Index (Bahrain)
Central Statistical Bureau(opens in new tab)— Consumer Price Index (Kuwait)
National Centre for Statistics and Information (NCSI)(opens in new tab)— Consumer Price Index (Oman)
Singapore Department of Statistics(opens in new tab)— Consumer Price Index (Singapore)
Czech Statistical Office(opens in new tab)— Consumer Price Index (Czechia)
Central Statistics Office (CSO)(opens in new tab)— Consumer Price Index (Ireland)
State Data Agency(opens in new tab)— Consumer Price Index (Lithuania)
Central Statistical Bureau of Latvia(opens in new tab)— Consumer Price Index (Latvia)
Ghana Statistical Service(opens in new tab)— Consumer Price Index (Ghana)
Statistics Mauritius(opens in new tab)— Consumer Price Index (Mauritius)
Vanuatu Bureau of Statistics(opens in new tab)— Consumer Price Index (Vanuatu)
Department of Economic Planning and Statistics(opens in new tab)— Consumer Price Index (Brunei)
National Statistics Office of Georgia (Geostat)(opens in new tab)— Consumer Price Index (Georgia)

Last updated 5 October 2026 · Calculator version 1.0.0

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Frequently asked questions

What is a price index?

A price index, such as the Consumer Price Index (CPI), tracks the cost of a typical basket of goods over time. Comparing two index values tells you how much prices changed between those dates.

Why do I have to enter the CPI myself?

We only use official figures, and we have not yet loaded verified CPI series. Copy the two index values from your statistics agency so every number in the result can be traced.

Which dates should I use?

Use the index for the month or year you received each salary. For annual pay, annual average CPI is usually the fairest choice.

What does 'salary needed' mean?

It is what your previous salary would need to be today to buy exactly the same things: previous salary × (current index ÷ previous index).