Comptroller of Maryland. Serving the People. Peter Franchot, Comptroller
Spotlight on Maryland

Tax Calculators

Use our online services to help you calculate quarterly estimated income taxes or the amount an employer should withhold from income for state taxes.

Income Tax Interest Calculator

Quarterly Estimated Tax Calculator for Tax Year 2009

Quarterly Estimated Tax Calculator for Tax Year 2010

Estimated Nonresident Tax Calculator for 2010

Employer Withholding Calculator for Tax Year 2010