Estimated Payment Tax Calculator (2025)

Quickly estimate your quarterly 1040-ES payments using IRS safe-harbor rules. Enter your prior-year numbers and (optionally) a current-year tax estimate.

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Tip: These will auto-toggle based on today’s date; you can adjust manually.
Notes: To generally avoid the underpayment penalty, pay the smaller of 90% of your 2025 tax or the safe harbor amount (100% of 2024 tax, or 110% if your 2024 AGI exceeded $150,000; $75,000 if MFS). If you’ll owe less than $1,000 at filing, the penalty typically doesn’t apply. Dates: Q1 Apr 15, 2025 · Q2 Jun 16, 2025 · Q3 Sep 15, 2025 · Q4 Jan 15, 2026. This tool is an estimate and not tax advice. For personalized help: +1.305.330.9940.