Missouri Estimated Tax Payments Calculator

2026 rules

Enter your expected income to see what to send Missouri and the IRS each quarter.

Your numbers

Filing status

Self-employment or business profit

W-2 wages

Other income (interest, dividends, gains, rental)

Missouri tax withheld from paychecks

Last year's Missouri tax (total on your return)

Leave at 0 to use this year's estimate only.

Federal tax withheld

Last year's federal tax (Form 1040 line 24)

Local income tax rate

Kansas City and St. Louis charge a 1% earnings tax.

Result

Missouri quarterly payment$628

Projected federal tax (incl. SE tax)$17,147
Projected Missouri tax$2,792
Missouri amount to pay in estimates$2,513
Missouri payment 1 · Apr 15, 2026$628
Missouri payment 2 · Jun 15, 2026$628
Missouri payment 3 · Sep 15, 2026$628
Missouri payment 4 · Jan 15, 2027$628
Federal amount to pay in estimates$15,433
Federal payment · Apr 15, 2026$3,858
Federal payment · Jun 15, 2026$3,858
Federal payment · Sep 15, 2026$3,858
Federal payment · Jan 15, 2027$3,858
First payment, state and federal$4,486

Missouri at a glance

Due dates: Apr 15, 2026, Jun 15, 2026, Sep 15, 2026, Jan 15, 2027
Rates: Missouri taxes income at 7 rates from 2% to 4.70%.

Missouri lets you deduct some or all of your federal income tax, which this estimate does not include.

Missouri tax brackets for 2026

All filers (taxable income)
Rate	Taxable income
2%	$1,348 – $2,696
2.50%	$2,696 – $4,044
3%	$4,044 – $5,392
3.50%	$5,392 – $6,740
4%	$6,740 – $8,088
4.50%	$8,088 – $9,436
4.70%	over $9,436

Questions

When are Missouri estimated tax payments due for 2026?

Apr 15, 2026, Jun 15, 2026, Sep 15, 2026, Jan 15, 2027.

How much do I need to pay to avoid a penalty?

This calculator uses the federal safe harbor: 90% of this year's tax, or 100% of last year's (110% if your AGI is over $150,000), less withholding. A few states use a different share of the current year's tax, so check the Missouri estimated-tax instructions too.