Figuring Your Federal Income Tax Circa 1913 April 2, 2009 Joseph Bishop-Henchman Joseph Bishop-Henchman As you figure out how much you owe in federal income tax (two weeks to go!), it might be interesting to see what it would have been in 1913, the first year of the income tax. This website has a handy calculator allowing you to do just that! It’ll probably be lower; the top income tax rate that year was just 7 percent. You can check out the four pages that were the 1040 form and instructions back then. Just don’t use it for your tax form this year. Stay informed on the tax policies impacting you. Subscribe to get insights from our trusted experts delivered straight to your inbox. Subscribe Share Tweet Share Email Topics Center for Federal Tax Policy Individual Income and Payroll Taxes