This section explains the rule behind the result in plain language.
CalcBeacon tool
Inflation Calculator
Estimate how rising prices change the buying power of money over time.
Use the inflation calculator
Estimate how rising prices change the buying power of money over time.
Original amount of money
Average annual inflation rate
How many years to project
Enter your values to see the result.
Quick answer
Inflation Calculator: Inflation Calculator helps turn personal finance inputs into a clear result you can compare, explain, and use for a practical decision.
Use this example as a quick check on how the inputs affect the answer.
Checking this point helps prevent a misleading result.
How to interpret the result
Read the result together with the units, assumptions and any limits shown on the page. Small input changes can meaningfully change the answer.
Methodology
The Inflation Calculator uses the values you enter to calculate the result shown in the panel. The supporting notes explain the method, the assumptions to check, and the situations where the answer should be treated as guidance rather than a final decision.
Reviewed by CalcBeacon Editorial TeamUpdated May 2026Category: Finance CalculatorsTransparent formula and example
Inflation Calculator formula
Future cost = current amount × (1 + inflation rate)^years
What this helps with
Use this tool for a quick planning calculation before checking a full spreadsheet, payslip, quote or official document.
Worked example
£100 at 3% inflation for 5 years becomes about £115.93.
Best use
Compare scenarios quickly by changing one or two inputs at a time.
Frequently asked questions
Is inflation always the same every year?
No. This tool uses a steady average rate for a clean estimate.
Can I compare buying power loss?
Yes. The result shows the extra amount needed to match the same spending power.
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