£100 in 1775 → £16,020.31 in 2019

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U.K. Inflation Rate, £100 from 1775 to 2019

According to the Office for National Statistics composite price index, prices in 2019 are 15,920.31% higher than average prices since 1775. The British pound experienced an average inflation rate of 2.10% per year during this period, meaning the real value of a pound decreased.

In other words, £100 in 1775 is equivalent in purchasing power to about £16,020.31 in 2019, a difference of £15,920.31 over 244 years.

The 1775 inflation rate was -6.67%. The inflation rate in 2019 was 1.80%. The 2019 inflation rate is higher compared to the average inflation rate of 1.50% per year between 2019 and 2020.


Inflation from 1775 to 2019
Cumulative price change 15,920.31%
Average inflation rate 2.10%
Converted amount (£100 base) £16,020.31
Price difference (£100 base) £15,920.31
CPI in 1775 7.000
CPI in 2019 1,121.422
Inflation in 1775 -6.67%
Inflation in 2019 1.80%

GBP Inflation since 1750
Annual Rate, the Office for National Statistics CPI
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Buying power of £100 in 1775

This chart shows a calculation of buying power equivalence for £100 in 1775 (price index tracking began in 1750).

For example, if you started with £100, you would need to end with £16,020.31 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When £100 is equivalent to £16,020.31 over time, that means that the "real value" of a single U.K. pound decreases over time. In other words, a pound will pay for fewer items at the store.

This effect explains how inflation erodes the value of a pound over time. By calculating the value in 1775 dollars, the chart below shows how £100 buys less over the past 244 years.

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:

Year Pound Value Inflation Rate
1775 £100.00 -6.67%
1776 £98.57 -1.43%
1777 £98.57 0.00%
1778 £101.43 2.90%
1779 £92.86 -8.45%
1780 £90.00 -3.08%
1781 £94.29 4.76%
1782 £95.71 1.52%
1783 £107.14 11.94%
1784 £108.57 1.33%
1785 £102.86 -5.26%
1786 £102.86 0.00%
1787 £102.86 0.00%
1788 £107.14 4.17%
1789 £105.71 -1.33%
1790 £107.14 1.35%
1791 £107.14 0.00%
1792 £108.57 1.33%
1793 £111.43 2.63%
1794 £121.43 8.97%
1795 £134.29 10.59%
1796 £142.86 6.38%
1797 £128.57 -10.00%
1798 £125.71 -2.22%
1799 £141.43 12.50%
1800 £192.86 36.36%
1801 £215.71 11.85%
1802 £165.71 -23.18%
1803 £157.14 -5.17%
1804 £161.43 2.73%
1805 £187.14 15.93%
1806 £180.00 -3.82%
1807 £175.71 -2.38%
1808 £182.86 4.07%
1809 £200.00 9.37%
1810 £205.71 2.86%
1811 £200.00 -2.78%
1812 £227.14 13.57%
1813 £232.86 2.52%
1814 £202.86 -12.88%
1815 £181.43 -10.56%
1816 £165.71 -8.66%
1817 £188.57 13.79%
1818 £188.57 0.00%
1819 £184.29 -2.27%
1820 £167.14 -9.30%
1821 £147.14 -11.97%
1822 £127.14 -13.59%
1823 £135.71 6.74%
1824 £147.14 8.42%
1825 £172.86 17.48%
1826 £162.86 -5.79%
1827 £152.86 -6.14%
1828 £148.57 -2.80%
1829 £147.14 -0.96%
1830 £141.43 -3.88%
1831 £155.71 10.10%
1832 £144.29 -7.34%
1833 £135.71 -5.94%
1834 £124.29 -8.42%
1835 £127.14 2.30%
1836 £141.43 11.24%
1837 £144.29 2.02%
1838 £145.71 0.99%
1839 £155.71 6.86%
1840 £158.57 1.83%
1841 £155.71 -1.80%
1842 £142.86 -8.26%
1843 £127.14 -11.00%
1844 £127.14 0.00%
1845 £132.86 4.49%
1846 £138.57 4.30%
1847 £155.71 12.37%
1848 £135.71 -12.84%
1849 £127.14 -6.32%
1850 £120.00 -5.62%
1851 £115.71 -3.57%
1852 £115.71 0.00%
1853 £127.14 9.88%
1854 £145.71 14.61%
1855 £150.00 2.94%
1856 £150.00 0.00%
1857 £142.86 -4.76%
1858 £130.00 -9.00%
1859 £128.57 -1.10%
1860 £132.86 3.33%
1861 £135.71 2.15%
1862 £132.86 -2.11%
1863 £128.57 -3.23%
1864 £127.14 -1.11%
1865 £128.57 1.12%
1866 £135.71 5.56%
1867 £144.29 6.32%
1868 £142.86 -0.99%
1869 £135.71 -5.00%
1870 £135.71 0.00%
1871 £137.14 1.05%
1872 £142.86 4.17%
1873 £148.57 4.00%
1874 £142.86 -3.85%
1875 £140.00 -2.00%
1876 £140.00 0.00%
1877 £138.57 -1.02%
1878 £135.71 -2.06%
1879 £130.00 -4.21%
1880 £134.29 3.30%
1881 £132.86 -1.06%
1882 £134.29 1.08%
1883 £132.86 -1.06%
1884 £130.00 -2.15%
1885 £125.71 -3.30%
1886 £124.29 -1.14%
1887 £122.86 -1.15%
1888 £124.29 1.16%
1889 £125.71 1.15%
1890 £125.71 0.00%
1891 £127.14 1.14%
1892 £127.14 0.00%
1893 £125.71 -1.12%
1894 £124.29 -1.14%
1895 £122.86 -1.15%
1896 £121.43 -1.16%
1897 £124.29 2.35%
1898 £124.29 0.00%
1899 £125.71 1.15%
1900 £131.43 4.55%
1901 £131.43 0.00%
1902 £131.43 0.00%
1903 £132.86 1.09%
1904 £132.86 0.00%
1905 £132.86 0.00%
1906 £132.86 0.00%
1907 £134.29 1.08%
1908 £134.29 0.00%
1909 £135.71 1.06%
1910 £137.14 1.05%
1911 £137.14 0.00%
1912 £141.43 3.13%
1913 £140.00 -1.01%
1914 £140.00 0.00%
1915 £157.14 12.24%
1916 £185.71 18.18%
1917 £232.86 25.38%
1918 £284.29 22.09%
1919 £312.86 10.05%
1920 £361.43 15.53%
1921 £330.00 -8.70%
1922 £284.29 -13.85%
1923 £267.14 -6.03%
1924 £265.71 -0.53%
1925 £265.71 0.00%
1926 £264.29 -0.54%
1927 £257.14 -2.70%
1928 £257.14 0.00%
1929 £254.29 -1.11%
1930 £247.14 -2.81%
1931 £237.14 -4.05%
1932 £231.43 -2.41%
1933 £225.71 -2.47%
1934 £225.71 0.00%
1935 £227.14 0.63%
1936 £228.57 0.63%
1937 £237.14 3.75%
1938 £240.00 1.20%
1939 £247.14 2.98%
1940 £288.57 16.76%
1941 £320.00 10.89%
1942 £342.86 7.14%
1943 £354.29 3.33%
1944 £364.29 2.82%
1945 £374.29 2.75%
1946 £385.71 3.05%
1947 £412.86 7.04%
1948 £444.29 7.61%
1949 £457.14 2.89%
1950 £471.43 3.13%
1951 £514.29 9.09%
1952 £561.43 9.17%
1953 £578.57 3.05%
1954 £590.00 1.98%
1955 £615.71 4.36%
1956 £647.14 5.10%
1957 £670.00 3.53%
1958 £691.43 3.20%
1959 £694.29 0.41%
1960 £701.43 1.03%
1961 £725.71 3.46%
1962 £757.14 4.33%
1963 £771.43 1.89%
1964 £797.14 3.33%
1965 £834.29 4.66%
1966 £867.14 3.94%
1967 £890.00 2.64%
1968 £931.43 4.65%
1969 £981.43 5.37%
1970 £1,044.29 6.40%
1971 £1,142.86 9.44%
1972 £1,224.29 7.13%
1973 £1,335.71 9.10%
1974 £1,550.00 16.04%
1975 £1,925.71 24.24%
1976 £2,244.29 16.54%
1977 £2,600.00 15.85%
1978 £2,815.71 8.30%
1979 £3,192.86 13.39%
1980 £3,767.14 17.99%
1981 £4,214.29 11.87%
1982 £4,577.14 8.61%
1983 £4,787.14 4.59%
1984 £5,025.71 4.98%
1985 £5,331.43 6.08%
1986 £5,512.86 3.40%
1987 £5,742.86 4.17%
1988 £6,024.29 4.90%
1989 £6,492.86 7.78%
1990 £7,107.14 9.46%
1991 £7,524.29 5.87%
1992 £7,805.71 3.74%
1993 £7,930.00 1.59%
1994 £8,121.43 2.41%
1995 £8,402.86 3.47%
1996 £8,605.71 2.41%
1997 £8,875.71 3.14%
1998 £9,180.00 3.43%
1999 £9,321.43 1.54%
2000 £9,597.14 2.96%
2001 £9,767.14 1.77%
2002 £9,930.00 1.67%
2003 £10,217.14 2.89%
2004 £10,521.43 2.98%
2005 £10,818.57 2.82%
2006 £11,164.29 3.20%
2007 £11,642.86 4.29%
2008 £12,107.14 3.99%
2009 £12,042.86 -0.53%
2010 £12,598.57 4.61%
2011 £13,254.29 5.20%
2012 £13,680.00 3.21%
2013 £14,095.71 3.04%
2014 £14,428.57 2.36%
2015 £14,571.43 0.99%
2016 £14,824.29 1.74%
2017 £15,355.71 3.58%
2018 £15,737.05 2.48%
2019 £16,020.31 1.80%
2020 £16,260.62 1.50%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
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How to Calculate Inflation Rate for £100, 1775 to 2019

This inflation calculator uses the following inflation rate formula:

CPI in 2019CPI in 1775
×
1775 GBP value
=
2019 GBP value

Then plug in historical CPI values. The U.K. CPI was 7 in the year 1775 and 1121.4220303 in 2019:

1121.42203037
×
£100
=
£16,020.31

£100 in 1775 has the same "purchasing power" or "buying power" as £16,020.31 in 2019.

To get the total inflation rate for the 244 years between 1775 and 2019, we use the following formula:

CPI in 2019 - CPI in 1775CPI in 1775
×
100
=
Cumulative inflation rate (244 years)

Plugging in the values to this equation, we get:

1121.4220303 - 77
×
100
=
15,920%

Data Source & Citation

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: “£100 in 1775 → 2019 | UK Inflation Calculator.” Official Inflation Data, Alioth Finance, 25 Feb. 2020, https://www.officialdata.org/1775-GBP-in-2019?amount=100.

Special thanks to QuickChart for providing downloadable chart images.

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


Ian Webster

About the author

Ian Webster is an engineer and data expert based in San Mateo, California. He has worked for Google, NASA, and consulted for governments around the world on data pipelines and data analysis. Disappointed by the lack of clear resources on the impacts of inflation on economic indicators, Ian believes this website serves as a valuable public tool. Ian earned his degree in Computer Science from Dartmouth College.

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» Read more about inflation and investment.

Inflation from 1775 to 2019
Cumulative price change 15,920.31%
Average inflation rate 2.10%
Converted amount (£100 base) £16,020.31
Price difference (£100 base) £15,920.31
CPI in 1775 7.000
CPI in 2019 1,121.422
Inflation in 1775 -6.67%
Inflation in 2019 1.80%