Maryland Quarterly Tax Calculator

Calculate your estimated quarterly tax payments for federal and Maryland state taxes. Designed for self-employed individuals, freelancers, and independent contractors.

MD State Tax: Progressive 2.0% - 6.5%

Reviewed by Slava Akulov, CEO & Co-Founder at Jupid · Last updated: July 2026

Income Information
Quarterly Tax Estimate

Quarterly Payment Amount

$6,172

Per quarter (4 remaining)

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Annual Tax Breakdown

Self-Employment Tax$11,304
Social Security (12.4%):$9,161
Medicare (2.9%):$2,143
Federal Income Tax$7,527
Maryland State Tax$3,479
Local Tax (Montgomery County)$2,379
Total Annual Tax$24,688
Effective Tax Rate:30.9%
Net Self-Employment Income:$80,000

2026 Payment Schedule

Q1 2026Due Next

Jan 1 - Mar 31

Due: April 15, 2026

$6,172

Q2 2026Upcoming

Apr 1 - May 31

Due: June 15, 2026

$6,172

Q3 2026Upcoming

Jun 1 - Aug 31

Due: September 15, 2026

$6,172

Q4 2026Upcoming

Sep 1 - Dec 31

Due: January 15, 2027

$6,172

Don't miss your quarterly payments!

The IRS may charge penalties and interest if you underpay or pay late. Consider setting up automatic payments or calendar reminders.

Maryland Quarterly Tax Highlights

Maryland has 10 tax brackets with rates from 2% to 6.5%

Counties and Baltimore City add local tax (2.25% to 3.30%), paid on the same voucher

Pay with Form PV or online through Maryland Tax Connect

Maryland Quarterly Tax FAQ

Maryland Estimated Quarterly Tax Payments for Self-Employed Workers in 2026

Self-employed workers in Maryland must pay both federal estimated taxes to the IRS and state estimated taxes to the Comptroller of Maryland. Maryland has a progressive income tax with 10 brackets and rates ranging from 2% to 6.5%. If you expect your Maryland and local tax to exceed your Maryland withholding by more than $500, you must make quarterly estimated payments with Form PV (box "Estimated Payment/Quarterly (502D)") or online.

Maryland is unique in that all counties and Baltimore City impose a local income tax ranging from 2.25% to 3.30% for 2026 on top of the state tax, collected on the same voucher. This means your top combined state and local rate can reach 9.8%. Self-employed individuals must account for both state and local taxes in their quarterly estimates; the calculator above adds the local tax for the county you pick.

Tax LayerRate / RangeFiled WithForm
Federal income tax10% – 37%IRS1040-ES
Self-employment tax15.3%IRS1040-ES / SE
Maryland state income tax2% to 6.5%Comptroller of MarylandForm PV
County or Baltimore City tax2.25% to 3.30%Comptroller of MarylandForm PV (same payment)

How Maryland Income Tax Affects Your Quarterly Payments

Maryland taxes personal income — including self-employment income — across 10 progressive brackets. The brackets below apply to single filers for tax year 2026. Married filing jointly thresholds are typically higher.

BracketTaxable Income (Single)Marginal Rate
1$0 – $1,0002.0%
2$1,000 – $2,0003.0%
3$2,000 – $3,0004.0%
4$3,000 – $100,0004.75%
5$100,000 – $125,0005.0%
6$125,000 – $150,0005.25%
7$150,000 – $250,0005.5%
8$250,000 – $500,0005.75%
9$500,000 – $1,000,0006.25%
10$1,000,000+6.5%

To estimate your Maryland quarterly payment, calculate your projected state tax using the brackets above, add your county's local tax, then divide by four. Maryland payments go to the Comptroller of Maryland online through Maryland Tax Connect or by mail with Form PV.

Federal Self-Employment Tax and Quarterly Due Dates

All self-employed workers must pay federal self-employment (SE) tax of 15.3% on 92.35% of net earnings. This consists of 12.4% for Social Security (on earnings up to $184,500 in 2026) and 2.9% for Medicare (no cap). An additional 0.9% Medicare surtax applies to earnings above $200,000 (single filers).

Both Maryland and federal estimated tax payments follow the same quarterly schedule:

QuarterIncome PeriodDue Date
Q1January 1 – March 31April 15, 2026
Q2April 1 – May 31June 15, 2026
Q3June 1 – August 31September 15, 2026
Q4September 1 – December 31January 15, 2027

To avoid underpayment penalties, pay at least 100% of your prior-year tax liability (or 110% if your AGI exceeds $150,000) spread across four equal payments, or at least 90% of your current-year tax. Maryland's own prior-year safe harbor is 110% of last year's Maryland and local tax at every income level. You can deduct 50% of your self-employment tax from your adjusted gross income, reducing both your federal and Maryland taxable income.

Official References

This calculator uses current federal and Maryland tax rates and schedules:

This calculator provides estimates based on 2026 tax rates and applies the federal standard deduction by filing status. It does not include the QBI deduction or state-specific deductions and credits, so your actual tax liability may vary. Consult a tax professional for personalized advice. Last updated: July 2026.

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