Inflation Calculator UK: what money is worth in future
See how much less your money buys as prices rise, and what something costing Β£X today could cost in the future.
Estimates for information only, using 2026/27 rates for England, Wales and Northern Ireland unless stated. Not financial or tax advice; check your own situation with HMRC or a qualified adviser.
How it works
Future price = today's price Γ (1 + inflation)^years.
Real value of money = amount Γ· (1 + inflation)^years: what that cash would buy in today's terms.
The Bank of England targets 2% CPI inflation; the long-run UK average is a little higher.
Frequently asked questions
What's the difference between CPI and RPI?+
Both measure price rises. CPI is the official measure and is usually lower; RPI is still used for some things like student loan interest.