Quarterly taxes are estimated payments made during the year, often by self-employed individuals, to cover income not subject to employer withholding and avoid penalties. Yearly taxes refer to the annual tax return (such as Form 1040), which reconciles total income, deductions, and payments—including quarterly estimates—to determine the final tax owed or refunded. Quarterly payments are "pay-as-you-go," while the annual return finalizes your tax liability.
Main Differences
Purpose: Quarterly payments are made in advance for the current year, while the annual return provides the final figures for the previous year.
Who Pays: Individuals with substantial income from sources other than standard W-2 employment, such as self-employment or gig work, are required to file quarterly. Annual filing applies to all taxpayers.
When: Quarterly payments are scheduled for set dates—April, June, September, and January, while the annual return is generally required by April 15th.
Basis: Quarterly payments are determined by estimated income, while the annual return relies on actual, finalized income and deductions.
Quarterly Tax Requirements
If you anticipate owing $1,000 or more in taxes for the year after subtracting your withholdings and credits, or if your withholdings cover less than 90% of your tax liability, you typically need to make quarterly payments.
How They Function as a Team
Quarterly estimated payments are applied as credits to your overall tax liability when you file your annual return, reconciling the amounts already paid with your total tax due.
Summary
Pay quarterly to stay compliant and avoid penalties, then file your annual return to complete the process.
Need to Know
Not all States charge Franchise Taxes.
Franchise Tax: Only Texas, Delaware, and California corporations and LLCs must file a yearly franchise tax report, even if no tax is due.
