Missouri tax calculator

Planning estimate

2026 Missouri Income Tax Calculator

Estimate your Missouri state income tax, then review key facts, tax brackets, how the calculation works, and common questions.

State income tax calculator

Calculate your 2026 estimate

Enter your income and filing details to get your state tax estimate.

Annual income

Enter dollars, for example $75,000.

Filing status

Tax detailsRequired

Use amounts from the relevant state or federal worksheet where requested. Enter $0 when a required component does not apply.

State taxable income

This calculator starts from state taxable income rather than deriving it from annual income.

Additional state tax or recapture

Enter the applicable amount from the state worksheet, or $0 when none applies.

Nonrefundable state credits

Refundable state credits

Spouse Missouri taxable income

For a combined married return, enter the spouse taxable income allocated by the 2026 MO-1040ES worksheet. Leave blank for other filing statuses.

Planning estimate only. Your actual tax can differ based on your complete return and individual circumstances.

Overview

Missouri state income tax overview

Missouri has a supported 2026 state income-tax calculator for the supported taxpayer scope. Enter the requested income and filing information to calculate state income tax.

Use the calculator above as a planning estimate. Your final tax can differ based on deductions, credits, residency, local taxes, and other details that may not be included in the supported calculation.

At a glance

Key facts

Tax structure: State-specific system
Tax year: 2026
Starting income basis: State taxable income
Supported filing statuses: Single, Married filing jointly, Married filing separately, Head of household, Qualifying surviving spouse
Local tax treatment: Local earnings taxes are excluded from the Missouri state-income-tax result.

Rates & structure

Tax brackets

Tax year 2026

State-specific calculation

Missouri uses a state-specific calculation that cannot be represented accurately as one simple bracket table. Use the calculator above for the supported filing situation and inputs.

Bracket tables are a simplified reference. Your actual state tax can depend on deductions, credits, filing status, special taxes, and other state-specific rules.

Simple process

How it works

Enter your details

Choose your filing status and enter the income amount requested by the calculator.

Add state-specific inputs

If Missouri needs additional tax, credit, or worksheet values, the form asks for them directly instead of guessing.

Review your estimate

See the estimated state income tax, effective rate, and calculation breakdown for the supported scope.