Net Investment Income Tax calculator, 2024

This works out one number from the Net Investment Income Tax Threshold figures published for 2024. Every amount it uses is below, with the document it was read from. What you enter is your own: this site has no way to check it, and the answer it produces is not a published figure.

Rate3.8%
Married filing jointly$250,000
Married filing separately$125,000
Single or head of household$200,000

Effective 2024-01-01Source: 2024 Instructions for Form 8960 (IRS)Verified 2026-08-29

How it is worked out

The published rate applied to the part of your amount above the published threshold, rounded to the nearest cent. An amount at or below the threshold produces nothing, not a negative amount.

It uses Rate, 3.8%, published above.

Your filing status, from the 3 this year publishes: Married filing jointly ($250,000), Married filing separately ($125,000), Single or head of household ($200,000). The calculator uses the one you pick and says which.

Figures in this colour are computed from the amounts above. They are not published figures and no document states them.

Work it out

The live calculator needs JavaScript. The table below covers common amounts and is computed the same way.

Worked out for common amounts

Modified adjusted gross incomeMarried filing jointlyMarried filing separatelySingle or head of household
150,000$0$950$0
200,000$0$2,850$0
250,000$0$4,750$1,900
500,000$9,500$14,250$11,400
How each figure was verified

Each number below was read from a stored copy of the document named beside it, and checked to occur word for word in the quoted sentence. The digest is of that stored text.

2024 Instructions for Form 8960 (IRS)

Rate
must pay 3.8% of the smaller of (a) or
Married filing jointly
Married Filing Jointly or Qualifying Surviving Spouse is $250,000.
Married filing separately
Married Filing Separately is $125,000.
Single or head of household
Single or Head of Household is $200,000.
  • Fetched 2026-08-29T02:47:23.286Z
  • Verified 2026-08-29
  • Stored text sha256 36cdcf7e6f172dd6a8981098955efadf35a23c00991c904f645a1545a71aef76

Every 2024 Net Investment Income Tax Threshold figure · Net Investment Income Tax Threshold in every year · Every calculator on this site

The same calculator for another year: 2026, 2025