Net investment income tax calculator is an easy and fast way to see if you owe Medicare tax because you have income from capital gains, interest, dividend exceeding a threshold specified under the Internal Revenue Code. This extra medicare tax is known as Net Investment Income Tax (NIIT) .You should not confuse this extra Medicare tax with 0,9 % additional Medicare tax that applies only to wages, compensation and self-employment income over the $200,000 limit. Basically NIIT is intended to tax wealthy people who have income from various other sources like capital gains, interest, dividend etc .So a taxpayer may be subject to both the Additional Medicare Tax and the NIIT, but not necessarily on the same types of income.
Net Investment Income Tax Calculator
This will answer your question ” how to calculate net investment income tax?” , Just input the fields and you get the net investment income tax along with any additional Medicare tax if you are a salaried person.
What constitutes Net Investment Income?
Examples of investment income that is subject to the NIIT include dividends, interest, passive income, annuities, royalties and capital gains, non-qualified annuities, income from businesses involved in trading of financial instruments or commodities and businesses that are passive activities to the taxpayer (within the meaning of section 469 of 26 US Code). IRC allows certain expenses to be reduced while computing the Net Investment Income.
What is the Net Investment Income Tax Rate ?
Net Investment Income Tax (NIIT) is a 3.8% (same tax rate tax year 2021 2020 ) of Medicare tax that applies to investment income and to regular income over a certain threshold. If your Modified Adjusted Gross Income exceeds $200,000 (or $250,000 if you’re married and filing jointly) you may be subject to the NIIT.
That 3.8% tax will be applied to the least of
- Either your net investment income or
- the amount by which your MAGI exceeds the threshold limit as given below .
Individuals will owe the tax if they have Net Investment Income and also have modified adjusted gross income over the following net investment income tax threshold:
|
Filing Status |
Threshold Amount |
| Married filing jointly |
$250,000 |
| Married filing separately |
$125,000 |
| Single |
$200,000 |
| Head of household (with qualifying person) |
$200,000 |
| Qualifying widow(er) with dependent child |
$250,000 |
Taxpayers should be aware that these threshold amounts are not indexed for inflation.
You can report your net investment income in form IRS Form 8960.
We have also published a detailed net investment income tax calculator
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