Compute Foreign Tax Credit to avoid double-taxation on foreign income.
FTC this year
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Excess carrying forward (10 yr)
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Your breakdown
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The other way to escape double taxation
When an American earns income abroad, two governments can lay claim to the same dollar. The foreign country taxes it because it was earned there, and the United States taxes it because the US taxes its citizens on worldwide income. The Foreign Tax Credit, claimed on Form 1116, is the relief valve. It gives you a dollar for dollar credit against your US tax for income tax you already paid to a foreign government, so the same income is not fully taxed twice. This sits alongside the Foreign Earned Income Exclusion as the two main tools expats use, and for most people in higher tax countries the credit is the stronger choice.
The key word is credit. Unlike a deduction, which only reduces the income you are taxed on, a credit reduces your actual tax bill dollar for dollar. A $1,000 deduction in the 24% bracket saves you $240. A $1,000 credit saves you the full $1,000.
The ceiling on what you can claim
The credit is not unlimited. You can only credit foreign tax up to the amount of US tax that would have applied to that same foreign income. If a country taxes your income at a higher rate than the US would, you cannot use the entire foreign tax this year, because the US would never have collected that much. This calculator captures that ceiling in its simplest form: it takes the smaller of your foreign tax paid and your US tax on the income, and that minimum is your credit for the year. The full Form 1116 derives the limit through a ratio of foreign source income to total income, but the principle is identical, the credit can never exceed the US tax on the foreign income.
A $30,000 foreign tax bill, credited against US tax
Picture an expat who paid $30,000 of income tax to a foreign government on income that would have generated $24,000 of US tax. The foreign rate is higher than the US rate, a common situation in places like Germany or Australia.
The credit wipes out the entire $24,000 of US tax on that income, reducing the US bill on it to zero. The $6,000 of foreign tax you could not use this year is not lost. It carries forward. The chart shows the split between the credit you use now and the excess you bank for later.
Ten years to put the excess to work
Unused foreign tax credit does not vanish. You can carry it back one year and forward up to ten years, applying it in any of those years when your US tax on foreign income exceeds the foreign tax you paid. In practice, the carryforward is useful when your tax situation shifts, for example a year when you move to a lower tax country, or a year with a large US capital gain that creates US tax against which the banked foreign credit can be applied. The $6,000 in the example becomes a stored asset, tracked on Form 1116 and a supporting schedule, waiting for a year you can use it.
Who reaches for the credit and how to choose it over the exclusion
The Foreign Tax Credit suits anyone living in a country whose income tax rate meets or exceeds the US rate, which describes much of Western Europe, Canada, Australia, and Japan. In those places the credit often eliminates US tax entirely while preserving the carryforward. The Foreign Earned Income Exclusion tends to win only in low or zero tax jurisdictions like the United Arab Emirates or the Cayman Islands, where there is little or no foreign tax to credit. You generally cannot apply both to the same income, so the decision is real. A practical tip: the credit keeps your foreign earned income on your US return, which can help if you want to make IRA contributions, since the exclusion removes income that could otherwise support a contribution. One simplification to be aware of in this tool: it does not use the foreign income figure to compute the Form 1116 limitation ratio. It compares your foreign tax directly against the US tax you enter, so the accuracy of the result depends on a sound estimate of US tax on that income.
Can I deduct foreign taxes instead of crediting them?
Yes, but it is usually the worse choice. You may instead claim foreign income taxes as an itemized deduction on Schedule A, but a deduction only reduces taxable income while a credit reduces tax directly. The deduction can occasionally make sense if you cannot use the credit and are not itemizing for other reasons, but for most filers the credit produces a far larger benefit.
Do foreign taxes have to be income taxes to qualify?
Generally yes. The credit applies to foreign income, war profits, and excess profits taxes. Foreign value added tax, sales tax, property tax, and social security style payments usually do not qualify for the Foreign Tax Credit, though some are addressed under specific totalization agreements between the US and other countries.
Is there a threshold below which I can skip Form 1116?
Yes. If your total creditable foreign taxes are $300 or less for a single filer, or $600 or less married filing jointly, and all of it is reported on a payee statement such as a 1099, you can claim the credit directly on your Form 1040 without filing Form 1116. Above those amounts, Form 1116 is required.