Form 6251 — Alternative Minimum Tax

Official source: IRS Forms, Instructions & Publications (https://www.irs.gov/pub/irs-pdf/f6251.pdf), retrieved 2026-10-03. U.S. Government work (17 U.S.C. § 105).

For Paperwork Reduction Act Notice, see your tax return instructions. Cat. No. 13600G Form 6251 (2025) Created 9/17/25

Form 6251 (2025) Page 2 Part III Tax Computation Using Maximum Capital Gains Rates Complete Part III only if you are required to do so by line 7 or by the Foreign Earned Income Tax Worksheet in the instructions.

12 Enter the amount from Form 6251, line 6. If you are filing Form 2555, enter the amount from line 3 of the worksheet in the instructions for line 7 . . . . . . . . . . . . . . . . . . . . . . 13 Enter the amount from line 4 of the Qualified Dividends and Capital Gain Tax Worksheet in the Instructions for Form 1040 or the amount from line 13 of the Schedule D Tax Worksheet in the Instructions for Schedule D (Form 1040), whichever applies (as refigured for the AMT, if necessary). See instructions. If you are filing Form 2555, see instructions for the amount to enter . . . . . . . . . . . . . . . . . . 14 Enter the amount from Schedule D (Form 1040), line 19 (as refigured for the AMT, if necessary). See instructions. If you are filing Form 2555, see instructions for the amount to enter . . . . . . . . . 15 If you did not complete a Schedule D Tax Worksheet for the regular tax or the AMT, enter the amount from line 13. Otherwise, add lines 13 and 14, and enter the smaller of that result or the amount from line 10 of the Schedule D Tax Worksheet (as refigured for the AMT, if necessary). If you are filing Form 2555, see instructions for the amount to enter . . . . . . . . . . . . . . . . . . . . . . . 16 Enter the smaller of line 12 or line 15 . . . . . . . . . . . . . . . . . . . . . . 17 Subtract line 16 from line 12 . . . . . . . . . . . . . . . . . . . . . . . . . 18 If line 17 is $239,100 or less ($119,550 or less if married filing separately), multiply line 17 by 26% (0.26). Otherwise, multiply line 17 by 28% (0.28) and subtract $4,782 ($2,391 if married filing separately) from the result 19 Enter: } • $96,700 if married filing jointly or qualifying surviving spouse, • $48,350 if single or married filing separately, or . . • $64,750 if head of household. 20 Enter the amount from line 5 of the Qualified Dividends and Capital Gain Tax Worksheet or the amount from line 14 of the Schedule D Tax Worksheet, whichever applies (as figured for the regular tax). If you did not complete either worksheet for the regular tax, enter the amount from Form 1040 or 1040-SR, line 15; if zero or less, enter -0-. If you are filing Form 2555, see instructions for the amount to enter . . . . . . . 21 Subtract line 20 from line 19. If zero or less, enter -0- . . . . . . . . . . . . . . . . . 22 Enter the smaller of line 12 or line 13 . . . . . . . . . . . . . . . . . . . . . . 23 Enter the smaller of line 21 or line 22. This amount is taxed at 0% . . . . . . . . . . . . . 24 Subtract line 23 from line 22 . . . . . . . . . . . . . . . . . . . . . . . . . 25 Enter: } • $533,400 if single, • $300,000 if married filing separately, . . • $600,050 if married filing jointly or qualifying surviving spouse, or • $566,700 if head of household. 26 Enter the amount from line 21 . . . . . . . . . . . . . . . . . . . . . . . . . 27 Enter the amount from line 5 of the Qualified Dividends and Capital Gain Tax Worksheet or the amount from line 21 of the Schedule D Tax Worksheet, whichever applies (as figured for the regular tax). If you did not complete either worksheet for the regular tax, enter the amount from Form 1040 or 1040-SR, line 15; if zero or less, enter -0-. If you are filing Form 2555, see instructions for the amount to enter . . . . . . . 28 Add line 26 and line 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Subtract line 28 from line 25. If zero or less, enter -0- . . . . . . . . . . . . . . . . . 30 Enter the smaller of line 24 or line 29 . . . . . . . . . . . . . . . . . . . . . . 31 Multiply line 30 by 15% (0.15) . . . . . . . . . . . . . . . . . . . . . . . . . 32 Add lines 23 and 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . If lines 32 and 12 are the same, skip lines 33 through 37 and go to line 38. Otherwise, go to line 33. 33 Subtract line 32 from line 22 . . . . . . . . . . . . . . . . . . . . . . . . . 34 Multiply line 33 by 20% (0.20) . . . . . . . . . . . . . . . . . . . . . . . . If line 14 is zero or blank, skip lines 35 through 37 and go to line 38. Otherwise, go to line 35. 35 Add lines 17, 32, and 33 . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Subtract line 35 from line 12 . . . . . . . . . . . . . . . . . . . . . . . . 37 Multiply line 36 by 25% (0.25) . . . . . . . . . . . . . . . . . . . . . . . . 38 Add lines 18, 31, 34, and 37 . . . . . . . . . . . . . . . . . . . . . . . . . 39 If line 12 is $239,100 or less ($119,550 or less if married filing separately), multiply line 12 by 26% (0.26). Otherwise, multiply line 12 by 28% (0.28) and subtract $4,782 ($2,391 if married filing separately) from the result 40 Enter the smaller of line 38 or line 39 here and on line 7. If you are filing Form 2555, do not enter this amount on line 7. Instead, enter it on line 4 of the worksheet in the instructions for line 7 . . . . . .	12

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Enter the amount from Form 6251, line 6. If you are filing Form 2555, enter the amount from line 3 of the
worksheet in the instructions for line 7 .
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13

Enter the amount from line 4 of the Qualified Dividends and Capital Gain Tax Worksheet in the Instructions
for Form 1040 or the amount from line 13 of the Schedule D Tax Worksheet in the Instructions for Schedule
D (Form 1040), whichever applies (as refigured for the AMT, if necessary). See instructions. If you are filing
Form 2555, see instructions for the amount to enter .
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14
Enter the amount from Schedule D (Form 1040), line 19 (as refigured for the AMT, if necessary). See
instructions. If you are filing Form 2555, see instructions for the amount to enter .
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15

If you did not complete a Schedule D Tax Worksheet for the regular tax or the AMT, enter the amount from
line 13. Otherwise, add lines 13 and 14, and enter thesmaller of that result or the amount from line 10 of
the Schedule D Tax Worksheet (as refigured for the AMT, if necessary). If you are filing Form 2555, see
instructions for the amount to enter .
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16
Enter thesmaller of line 12 or line 15
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17
Subtract line 16 from line 12
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18
If line 17 is $239,100 or less ($119,550 or less if married filing separately), multiply line 17 by 26% (0.26).
Otherwise, multiply line 17 by 28% (0.28) and subtract $4,782 ($2,391 if married filing separately) from the result
19
Enter:
• $96,700 if married filing jointly or qualifying surviving spouse,
• $48,350 if single or married filing separately, or
• $64,750 if head of household.
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20

Enter the amount from line 5 of the Qualified Dividends and Capital Gain Tax Worksheet or the amount from
line 14 of the Schedule D Tax Worksheet, whichever applies (as figured for the regular tax). If you did not
complete either worksheet for the regular tax, enter the amount from Form 1040 or 1040-SR, line 15; if zero
or less, enter -0-. If you are filing Form 2555, see instructions for the amount to enter .
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21
Subtract line 20 from line 19. If zero or less, enter -0-
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22
Enter thesmaller of line 12 or line 13
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23
Enter thesmaller of line 21 or line 22. This amount is taxed at 0%
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24
Subtract line 23 from line 22 .
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25
Enter:
• $533,400 if single,
• $300,000 if married filing separately,
• $600,050 if married filing jointly or qualifying surviving spouse, or
• $566,700 if head of household.
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26
Enter the amount from line 21 .
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27

Enter the amount from line 5 of the Qualified Dividends and Capital Gain Tax Worksheet or the amount from
line 21 of the Schedule D Tax Worksheet, whichever applies (as figured for the regular tax). If you did not
complete either worksheet for the regular tax, enter the amount from Form 1040 or 1040-SR, line 15; if zero
or less, enter -0-. If you are filing Form 2555, see instructions for the amount to enter
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28
Add line 26 and line 27 .
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29
Subtract line 28 from line 25. If zero or less, enter -0-
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30
Enter the smaller of line 24 or line 29
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31
Multiply line 30 by 15% (0.15) .
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32
Add lines 23 and 30 .
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If lines 32 and 12 are the same, skip lines 33 through 37 and go to line 38. Otherwise, go to line 33.
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Subtract line 32 from line 22 .
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34
Multiply line 33 by 20% (0.20) .
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If line 14 is zero or blank, skip lines 35 through 37 and go to line 38. Otherwise, go to line 35.
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Add lines 17, 32, and 33 .
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36
Subtract line 35 from line 12
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37
Multiply line 36 by 25% (0.25) .
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38
Add lines 18, 31, 34, and 37 .
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39
If line 12 is $239,100 or less ($119,550 or less if married filing separately), multiply line 12 by 26% (0.26).
Otherwise, multiply line 12 by 28% (0.28) and subtract $4,782 ($2,391 if married filing separately) from the result
40
Enter thesmaller of line 38 or line 39 here and on line 7. If you are filing Form 2555, do not enter this
amount on line 7. Instead, enter it on line 4 of the worksheet in the instructions for line 7
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Form 6251 (2025)