Federal Tax Rates 2017 - 2018
tax bracket is determined
by your last dollar earned for the tax year. However
your federal tax rate is actually a variable of every
tax rate up
to your last dollar earned as each tax bracket rate portion is
added together to give you your overall taxes due.
Calculate Federal Tax Rates from Tax Brackets
As your income increases into
each new tax bracket, that portion of income falling
within the next tax bracket is taxed at that higher tax
bracket rate. It is then added to the previous calculations from the lower tax bracket
portions to determine overall federal income tax liability.
In a nutshell: you are applying different
federal tax rates
to each income portion falling within each tax bracket
then adding all these calculations together to determine what your
tax liability will be for your federal income taxes.
Federal Tax Rates and Tax Brackets
income tax bracket tells you what federal tax rate your
tax preparation software
will prepare your taxes at.
Federal tax rates often vary by tax year and are typically different
for each filing status. The rate of taxation is applied only to your
You can determine your tax bracket and tax rate for several
different years using the federal income tax rates calculator above
by selecting tax year and filing status.
Tax rates describes the burden or ratio (generally calculated as a
percentage of your income) for which an individual or business is
Your marginal tax rate is calculated by adding the tax rate tally
for each portion of income falling into each tax bracket. Therefore
it is an aggregate of all your income from each tax bracket.
There are several different methods that can be used to calculate
federal tax rates, the methods below are referenced from the IRS
statutory, average, marginal, effective,
effective average, and effective marginal.
Use links at the top of this page to estimate your tax return with
free federal tax calculators from
to determine taxes owed or refund amount.