According to the Office for National Statistics composite price index, prices in 1779 are
7.14% lower than
average prices since 1775.
The British pound experienced an average **deflation** rate of -1.84% per year during this period, causing the real value of a pound to increase.

In other words, £1 in 1775 is equivalent in purchasing power to about £0.93 in 1779, a difference of £-0.07 over 4 years.

The 1775 inflation rate was -6.67%. The inflation rate in 1779 was -8.45%. The 1779 inflation rate is lower compared to the average inflation rate of 2.17% per year between 1779 and 2020.

⌃

Cumulative price change | -7.14% |

Average inflation rate | -1.84% |

Converted amount (£1 base) | £0.93 |

Price difference (£1 base) | £-0.07 |

CPI in 1775 | 7.000 |

CPI in 1779 | 6.500 |

Inflation in 1775 | -6.67% |

Inflation in 1779 | -8.45% |

This chart shows a calculation of buying power equivalence for £1 in 1775 (price index tracking began in 1750).

For example, if you started with £1, you would need to end with £0.93 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

According to the Office for National Statistics, each of these GBP amounts below is equal in terms of what it could buy at the time:

This conversion table shows various other 1775 amounts in 1779 pounds, based on the -7.14% change in prices:

Initial value | Equivalent value |
---|---|

£1 pound in 1775 | £0.93 pounds in 1779 |

£5 pounds in 1775 | £4.64 pounds in 1779 |

£10 pounds in 1775 | £9.29 pounds in 1779 |

£50 pounds in 1775 | £46.43 pounds in 1779 |

£100 pounds in 1775 | £92.86 pounds in 1779 |

£500 pounds in 1775 | £464.29 pounds in 1779 |

£1,000 pounds in 1775 | £928.57 pounds in 1779 |

£5,000 pounds in 1775 | £4,642.86 pounds in 1779 |

£10,000 pounds in 1775 | £9,285.71 pounds in 1779 |

£50,000 pounds in 1775 | £46,428.57 pounds in 1779 |

£100,000 pounds in 1775 | £92,857.14 pounds in 1779 |

£500,000 pounds in 1775 | £464,285.71 pounds in 1779 |

£1,000,000 pounds in 1775 | £928,571.43 pounds in 1779 |

Our calculations use the following inflation rate formula to calculate the change in value between 1775 and 1779:

CPI in 1779
CPI in 1775

×

1775 GBP value

=

1779 GBP value

Then plug in historical CPI values. The U.K. CPI was 7 in the year 1775 and 6.5 in 1779:

6.57

×

£1

=

£1 in 1775 has the same "purchasing power" or "buying power" as £0.93 in 1779.

To get the total inflation rate for the 4 years between 1775 and 1779, we use the following formula:

CPI in 1779 - CPI in 1775CPI in 1775

×

100

=

Plugging in the values to this equation, we get:

6.5 - 77

×

100

=

Raw data for these calculations comes from the composite price index published by the UK Office for National Statistics (ONS). A composite index is created by combining price data from several different published sources, both official and unofficial. The Consumer Price Index, normally used to compute inflation, has only been tracked since 1988. All inflation calculations after 1988 use the Office for National Statistics' Consumer Price Index, except for 2017, which is based on The Bank of England's forecast.

You may use the following MLA citation for this page: “£1 in 1775 → 1779 | UK Inflation Calculator.” Official Inflation Data, Alioth Finance, 21 Oct. 2020, https://www.officialdata.org/uk/inflation/1775?amount=1&endYear=1779.

Special thanks to QuickChart for their chart image API, which is used for chart downloads.

in2013dollars.com is a reference website maintained by the Official Data Foundation.

Cumulative price change | -7.14% |

Average inflation rate | -1.84% |

Converted amount (£1 base) | £0.93 |

Price difference (£1 base) | £-0.07 |

CPI in 1775 | 7.000 |

CPI in 1779 | 6.500 |

Inflation in 1775 | -6.67% |

Inflation in 1779 | -8.45% |