Computing 'Real Value' Over Time With a Conversion Between U.K. Pounds and U.S. Dollars, 1774 to Present

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When using the CPI/RPI, the (average) value in 2011 of £6 from 1864 is $669.54. The range of values is from $450.50 to $923.53. This answer is better if the subject is a consumer good or something else of interest to an individual.

When using the GDP deflator, the (average) value in 2011 of £6 from 1864 is $646.13. The range of values is from $455.89 to $1123.79. This answer is better if the subject is a capital investment or government expenditure


Value in 2011 of £6 from 1864
Converted inConverted usingAverage dollar price
per pound that year
CPI / RPIGDP Deflator
1864$883.86$715.859.974
1865$676.12$538.577.692
1866$640.08$518.596.877
1867$705.55$553.246.751
1868$730.80$579.406.828
1869$705.02$581.316.483
1870$612.65$508.545.588
1871$657.22$545.825.460
1872$683.50$574.645.445
1873$716.16$623.835.547
1874$701.72$613.335.420
1875$740.06$633.075.590
1876$736.31$616.695.423
1877$705.11$579.855.077
1878$691.39$569.464.890
1879$655.13$553.994.854
1880$651.74$540.854.845
1881$641.15$540.554.830
1882$647.47$551.894.870
1883$657.96$543.394.849
1884$649.77$547.804.854
1885$640.11$553.084.856
1886$649.30$569.824.861
1887$628.00$565.244.852
1888$629.23$574.794.870
1889$655.35$604.074.869
1890$664.54$620.354.861
1891$669.67$601.874.861
1892$674.19$591.294.873
1893$667.38$595.914.864
1894$681.50$620.434.877
1895$689.87$628.054.888
1896$686.23$613.584.871
1897$707.40$619.184.863
1898$718.32$617.754.848
1899$713.18$632.664.864
1900$733.02$645.364.865
1901$722.87$616.974.873
1902$714.05$594.494.872
1903$704.53$561.264.863
1904$694.74$541.904.868
1905$704.82$542.884.865
1906$686.32$532.784.851
1907$668.93$511.324.858
1908$693.34$508.364.866
1909$703.35$505.564.873
1910$686.53$501.214.864
1911$687.89$508.084.862
1912$693.83$502.614.866
1913$683.99$499.324.869
1914$703.51$496.414.930
1915$808.78$527.404.757
1916$876.68$543.794.766
1917$879.99$550.184.764
1918$861.91$553.194.765
1919$738.77$586.594.426
1920$604.03$513.983.664
1921$643.18$576.353.849
1922$641.81$606.224.429
1923$623.58$562.584.575
1924$600.99$539.864.417
1925$640.93$579.894.829
1926$627.51$577.904.858
1927$622.15$581.254.861
1928$625.64$571.964.866
1929$618.91$563.994.857
1930$611.09$583.124.862
1931$581.55$594.524.535
1932$490.64$507.733.506
1933$611.10$623.794.237
1934$703.43$696.335.039
1935$682.51$670.254.902
1936$700.47$675.294.971
1937$708.04$667.794.944
1938$721.13$693.004.889
1939$683.41$656.294.435
1940$663.40$616.113.830
1941$733.48$675.114.032
1942$704.83$672.264.035
1943$688.23$673.274.035
1944$690.74$693.774.035
1945$688.45$688.644.030
1946$660.30$629.934.033
1947$611.69$622.004.029
1948$610.91$636.174.031
1949$580.64$599.743.687
1950$450.50$455.892.801
1951$455.33$459.972.800
1952$485.17$487.802.793
1953$499.79$499.972.813
1954$506.51$503.972.809
1955$527.14$511.452.791
1956$546.93$527.812.796
1957$546.11$529.182.793
1958$551.90$541.182.810
1959$549.46$540.832.809
1960$546.32$539.612.808
1961$558.30$549.592.802
1962$577.22$563.542.808
1963$579.50$564.362.800
1964$589.21$573.962.792
1965$607.19$596.502.796
1966$612.97$604.942.793
1967$601.97$596.022.750
1968$526.39$517.312.394
1969$525.49$519.632.390
1970$529.23$532.132.396
1971$566.41$564.312.444
1972$601.08$598.682.501
1973$605.06$598.392.451
1974$604.02$602.282.340
1975$652.89$665.172.222
1976$584.47$590.621.805
1977$614.94$611.221.745
1978$680.24$700.481.918
1979$766.98$820.472.122
1980$873.80$985.922.326
1981$770.64$873.972.024
1982$681.13$763.271.748
1983$598.60$671.931.516
1984$531.29$598.621.337
1985$527.95$595.531.297
1986$606.61$683.371.468
1987$681.09$784.271.640
1988$745.07$874.551.781
1989$704.60$830.841.638
1990$796.95$940.061.784
1991$801.94$959.421.767
1992$807.16$972.631.766
1993$677.17$831.311.502
1994$689.70$843.341.532
1995$715.22$874.271.579
1996$703.37$879.541.561
1997$744.15$931.531.638
1998$766.64$950.921.657
1999$743.25$931.631.617
2000$694.10$859.331.516
2001$652.42$809.581.440
2002$681.09$852.781.502
2003$745.84$931.491.635
2004$838.73$1041.731.833
2005$828.42$1024.171.820
2006$837.09$1036.821.840
2007$923.53$1123.792.002
2008$856.61$1053.031.855
2009$722.24$897.121.566
2010$733.42$899.201.545
2011$776.95$936.211.605
Average$669.54$646.13 

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Citation

Lawrence H. Officer and Samuel H. Williamson, "Computing 'Real Value' Over Time With a Conversion Between U.K. Pounds and U.S. Dollars, 1774 to Present", MeasuringWorth, URL http://www.measuringworth.com/exchange/

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