Get your taxes done using TurboTax

current tax year is 2022.

by default the underpayment of estimated tax penalty is computed assuming 1/4 of your tax is due each quarter (really first 3 month, then 5 months then 8 months finally the whole year.) the only way to get around this is to use the annualized installment method for the first 3 quarters. the 4th is automatic because that info comes from your return