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Annualized Income Installment Method

Annualized Income Installment Method

What Is the Annualized Income Installment Method?

Taxpayers who are self-employed ordinarily pay quarterly installments of their estimated tax in four even amounts as figured by the normal installment method. Moreover, taxpayers ought to pay estimated taxes assuming they receive substantial dividends, interest, alimony, or different forms of income that are not subject to income tax withholding.

At the point when a taxpayer has a fluctuating income, it frequently makes them underpay on at least one of the quarterly estimates leading to underpayment punishments. The annualized income installment method works out the taxpayer's estimated tax installment payments and assists with diminishing underpayment and comparing underpayment punishments connected with fluctuating income. Using the annualized income installment method, taxpayers might estimate their taxes in light of known information from the outset of the tax year through the finish of the period paid.

How the Annualized Income Installment Method Works

The purpose of the ordinary installment method is to figure in quarterly tax installments. It isolates the annual estimated tax into four equivalent portions. The subsequent payments are proper for the quarterly estimated taxes of taxpayers with a consistent income, yet this doesn't function too for taxpayers whose income changes. A few taxpayers might struggle with finding the cash to pay estimated taxes in slower months.

Consider, for instance, taxpayers Jane and John. Every one of them owes $100,000 in annual estimated tax. Jane pays her estimated payments in four $25,000 installments for each the ordinary installment method. She evenly earned her income, 25% each quarter, so the quarterly partitions paid her estimated tax in full and on time.

John's earnings were uneven, with each tax quarter at 0%, 20%, 30%, and half, separately. John might struggle with concocting the cash important to make his first and second quarter estimated tax payments when his earnings are low. Utilizing the ordinary installment method, if John somehow managed to pay less estimated tax in the first two quarters and more in the subsequent two quarters, he would owe a underpayment penalty for the first two quarters.

The annualized income installment method allows John to refigure his installments, so they correspond to his income as he acquires it. It does as such by annualizing John's installments more than four overlapping periods. Every period starts on Jan. 1. The first period closes on March 31, the subsequent closures on May 31, the third on Aug. 31, and the fourth period closes on Dec. 31. Every period incorporates every one of the previous periods, with the last period enveloping the whole year. It allows John to estimate his tax payments in view of his income to that point in the year.

In this model, we know the specific percentage of John's annual earnings from each tax quarter. John pays $0 in March, $20,000 in May, $30,000 in August, and $50,000 in December. John currently has four installments of various amounts that, when added together, equivalent his full annual estimated tax of $100,000. John's refigured installments are presently paid on time, his underpayment punishments abated.

IRS Publication 505 has forms, timetables, and worksheets that guide taxpayers wanting to refigure their installments utilizing the annualized income installment method. In any case, figuring installments this way is convoluted and best finished on an IRS worksheet by your #1 tax professional.


  • Self-employed taxpayers must pay quarterly estimated tax payments.
  • The annualized income installment method refigures estimated tax payment installments so it corresponds to when the taxpayer earned the money in the year.
  • It is intended to limit underpayment and comparing underpayment punishments connected with uneven payments when a taxpayer's income varies consistently.
  • Normally, these estimated tax payments are made in four equivalent installments under the standard installment method.


I owed $500 when I filed my tax return. Do I have to file Form 2210?

No, there is no underpayment penalty assuming that the difference between your total tax on your return and the amount of tax you paid through withholding is under $1,000.

What is the tax form for the annualized income installment method?

The annualized method can be calculated utilizing IRS Form 2210.

How would I annualize my income for the annualized income installment method?

Dissimilar to our scenario above, in real life, you won't definitely know your full annual tax payment when your quarterly estimated tax payment is due. All things being equal, you should estimate your annual tax payment by annualizing your income from the start of the year for the rest of the period where you are paying taxes. Since the "quarters" don't necessarily in all cases fall on genuine calendar quarters, year-to-date (YTD) income through May 31 is annualized by duplicating by 2.4, through Aug. 31 YTD by 1.5, and through Dec. 31 YTD by 1.