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How to use or fill out Missouri 1040 with our platform
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Click ‘Get Form’ to open the Missouri 1040 in the editor.
Begin by entering your name and address in the designated fields. Ensure that you include your spouse's information if applicable.
Fill in your Social Security number and that of your spouse, if filing jointly. Check the appropriate boxes regarding age, disability, or blindness.
Input your federal adjusted gross income from your federal return on Line 1. Follow this by adding any total additions on Line 2.
Calculate your total income by adding Lines 1 and 2, then subtract any subtractions listed on Line 4 from this total to find your Missouri adjusted gross income on Line 5.
Proceed to complete the exemptions and deductions section, ensuring you select the correct filing status and enter any applicable amounts.
Finally, review all entries for accuracy before saving or exporting your completed form directly from our platform.
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Dec 31, 2025 Calculate your Missouri tax using the online tax calculator at dor.mo.gov/personal/individual/ or by using the worksheet in Section B below.Read more
Send an email to ContactMCS@modot.mo.gov for a paper copy of the Missouri Vehicle Route Map. 1-800-829-1040. USDOT Numbers. Federal Motor Carrier Safety.Read more
If you are single or married with one income, you can probably use the MO-1040A. There is a longer MO-1040 form that married couples with two incomes must use.Read more
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