RPI inflation, 1950 to July 2026

£100 in 1950 is £5,007 today

That £100 bought 500 dozen eggs in 1950. Today it buys 42.

Prices up 4,907%5.2% a year on averageMultiply by 50.07

Measured with the Retail Prices Index, the only official series that runs back to 1948. Use CPI instead.

It takes 50.1 of today's pounds to match one from 1950

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What £100 buys

Official average shop prices, not a basket. Things marked as outrunning inflation got dearer faster than everything else; things that lagged got relatively cheaper.

Item	1950	Today
dozen eggslagged inflation20p then, about £2.38 today	500	42
pints of milklagged inflation2p then, about 70p today	4,762	144
Same money, adjusted for inflation	£100	£5,007

The ONS stopped publishing these average prices in January 2025. Today's figures are that last reading moved on with inflation, so treat them as close rather than exact.