Schedule A: Kansas Itemized Deduction Schedule (2025)
Kansas · Kansas DOR · Used for tax years 2025
Schedule A calculates your Kansas itemized deductions for 2025, including allowed medical and dental expenses, state and local real estate and personal property taxes, home mortgage interest and points, and gifts to charity. The total is entered on line 4 of Form K-40.
What you'll need
To complete the 2025 schedule, gather the information requested on the form:
- Your name and Social Security number, and your spouse’s information if applicable.
- Form 1040 or 1040-SR, line 11, for your adjusted gross income.
- Your medical and dental expense amounts.
- State and local real estate and personal property tax amounts.
- Form 1098 for reported home mortgage interest and points, plus amounts not reported on Form 1098.
- Charitable gifts by cash or check, gifts made other than by cash or check, and any carryover from the prior year.
If you paid mortgage interest to the person from whom you bought the home, the schedule asks for that person’s name, identifying number and address.
The form requires supporting documentation wherever indicated in the instructions. Those instructions are not available in the supplied text, so specific attachment requirements cannot be confirmed here.
Common mistakes
- Do not staple the schedule.
- Do not leave out supporting documentation required by the instructions. The form specifically warns that it must be enclosed.
- Use ALL CAPITAL letters when entering the first four letters of your last name and your spouse’s last name in the designated fields.
Questions people ask
How do I calculate the medical and dental expense deduction?
Enter medical and dental expenses on line 1 and adjusted gross income from Form 1040 or 1040-SR, line 11, on line 2. Multiply line 2 by 7.5% (0.075) and enter that amount on line 3. Subtract line 3 from line 1 for line 4. If line 3 is more than line 1, enter zero.
Which taxes are listed on this schedule?
Line 5 lists state and local real estate taxes. Line 6 lists state and local personal property taxes. Add those lines and enter the total on line 7.
Where does my total Kansas itemized deduction go?
Add lines 4, 7, 9 and 13. Enter the total on Schedule A, line 14, and on Form K-40, line 4.
What if I claimed itemized deductions on my federal return?
Check the box labeled for taxpayers who claimed itemized deductions on their federal return.