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

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 \$640.26. The range of values is from \$452.47 to \$1097.63. 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\$715.849.974
1865\$676.12\$539.677.692
1866\$640.08\$518.146.877
1867\$705.55\$558.596.751
1868\$730.80\$582.256.828
1869\$705.02\$590.556.483
1870\$612.65\$526.075.588
1871\$657.22\$563.125.460
1872\$683.50\$593.135.445
1873\$716.16\$640.565.547
1874\$701.72\$629.085.420
1875\$740.06\$651.595.590
1876\$736.31\$633.555.423
1877\$705.11\$596.705.077
1878\$691.39\$585.504.890
1879\$655.13\$571.504.854
1880\$651.74\$555.594.845
1881\$641.15\$554.364.830
1882\$647.47\$569.274.870
1883\$657.96\$561.864.849
1884\$649.77\$564.994.854
1885\$640.11\$567.964.856
1886\$649.30\$585.664.861
1887\$628.00\$582.534.852
1888\$629.23\$592.644.870
1889\$655.35\$624.214.869
1890\$664.54\$638.054.861
1891\$669.67\$617.894.861
1892\$674.19\$608.884.873
1893\$667.38\$611.704.864
1894\$681.50\$642.464.877
1895\$689.87\$645.244.888
1896\$686.23\$630.624.871
1897\$707.40\$640.844.863
1898\$718.32\$639.264.848
1899\$713.18\$650.944.864
1900\$733.02\$661.854.865
1901\$722.87\$633.914.873
1902\$714.05\$611.884.872
1903\$704.53\$580.914.863
1904\$694.74\$559.934.868
1905\$704.82\$559.374.865
1906\$686.32\$547.794.851
1907\$668.93\$526.414.858
1908\$693.34\$522.084.866
1909\$703.35\$522.464.873
1910\$686.53\$516.454.864
1911\$687.89\$522.594.862
1912\$693.83\$517.674.866
1913\$683.99\$513.964.869
1914\$703.51\$511.964.930
1915\$808.78\$546.054.757
1916\$876.68\$559.504.766
1917\$879.99\$568.674.764
1918\$861.91\$571.534.765
1919\$738.77\$603.694.426
1920\$604.03\$513.483.664
1921\$643.18\$572.683.849
1922\$641.81\$601.484.429
1923\$623.58\$560.264.575
1924\$600.99\$536.824.417
1925\$640.93\$575.174.829
1926\$627.51\$573.414.858
1927\$622.15\$577.244.861
1928\$625.64\$568.484.866
1929\$618.91\$561.444.857
1930\$611.09\$578.434.862
1931\$581.55\$590.024.535
1932\$490.64\$505.293.506
1933\$611.10\$618.834.237
1934\$703.43\$692.305.039
1935\$682.51\$664.484.902
1936\$700.47\$671.704.971
1937\$708.04\$662.404.944
1938\$721.13\$689.724.889
1939\$683.41\$650.704.435
1940\$663.40\$613.443.830
1941\$733.48\$669.904.032
1942\$704.83\$668.784.035
1943\$688.23\$669.414.035
1944\$690.74\$689.774.035
1945\$688.45\$684.864.030
1946\$660.30\$626.134.033
1947\$611.69\$617.304.029
1948\$610.91\$630.694.031
1949\$580.64\$595.383.687
1950\$450.50\$452.472.801
1951\$455.33\$456.982.800
1952\$485.17\$478.722.793
1953\$499.79\$483.772.813
1954\$506.51\$483.752.809
1955\$527.14\$494.442.791
1956\$546.93\$511.392.796
1957\$546.11\$513.952.793
1958\$551.90\$523.962.810
1959\$549.46\$519.752.809
1960\$546.32\$517.312.808
1961\$558.30\$527.902.802
1962\$577.22\$540.242.808
1963\$579.50\$541.082.800
1964\$589.21\$548.992.792
1965\$607.19\$570.102.796
1966\$612.97\$581.532.793
1967\$601.97\$571.772.750
1968\$526.39\$496.112.394
1969\$525.49\$500.462.390
1970\$529.23\$520.612.396
1971\$566.41\$545.862.444
1972\$601.08\$574.452.501
1973\$605.06\$578.762.451
1974\$604.02\$583.552.340
1975\$652.89\$638.352.222
1976\$584.47\$565.201.805
1977\$614.94\$584.231.745
1978\$680.24\$669.261.918
1979\$766.98\$780.752.122
1980\$873.80\$941.012.326
1981\$770.64\$836.042.024
1982\$681.13\$729.721.748
1983\$598.60\$640.161.516
1984\$531.29\$572.691.337
1985\$527.95\$569.361.297
1986\$606.61\$659.051.468
1987\$681.09\$755.491.640
1988\$745.07\$839.741.781
1989\$704.60\$802.841.638
1990\$796.95\$911.521.784
1991\$801.94\$931.181.767
1992\$807.16\$939.681.766
1993\$677.17\$800.781.502
1994\$689.70\$809.511.532
1995\$715.22\$837.601.579
1996\$703.37\$845.881.561
1997\$744.15\$892.891.638
1998\$766.64\$908.011.657
1999\$743.25\$882.401.617
2000\$694.10\$827.591.516
2001\$652.42\$776.671.440
2002\$681.09\$817.881.502
2003\$745.84\$896.731.635
2004\$838.73\$1006.801.833
2005\$828.42\$996.961.820
2006\$837.09\$1006.861.840
2007\$923.53\$1097.632.002
2008\$856.61\$1025.781.855
2009\$722.24\$877.341.566
2010\$733.42\$881.751.545
2011\$776.95\$916.171.605
Average\$669.54\$640.26

Another Computation?

##### 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/