# Determining Your Estimated Tax Payments in Retirement

**URL:** https://www.fedwork.net/t/determining-your-estimated-tax-payments-in-retirement/4034
**Category:** Pay, Perks, and Retirement
**Created:** [April 19, 2026, 12:08pm UTC](https://www.fedwork.net/t/determining-your-estimated-tax-payments-in-retirement/4034 "2026-04-19T12:08:44Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![DDamp](https://yyz1.discourse-cdn.com/flex031/user_avatar/www.fedwork.net/ddamp/32/316_2.png) [@DDamp](https://www.fedwork.net/u/DDamp)
#### Post date: [April 19, 2026, 12:08pm UTC](https://www.fedwork.net/t/determining-your-estimated-tax-payments-in-retirement/4034/1 "2026-04-19T12:08:44Z")

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If your retirement income doesn’t change much from year to year, determining your estimated tax isn’t a problem. It’s when you have unanticipated capital gains, increasing RMDs, unanticipated TSP withdrawals, additional interest income, or have a part-time job or small business that can muddy the water. To avoid tax penalties, [follow this process](https://fedretire.net/how-to-determine-a-retirees-estimated-quarterly-taxes/) to determine your quarterly estimated tax.