What are the 2024 estimated tax due dates?

Q1: April 15; Q2: June 17; Q3: September 16; Q4: January 15, 2025. Missing any installment triggers a penalty even if you pay the full year by April 15.

What is the safe harbor rule for high earners?

If your prior year AGI exceeded $150,000 ($75,000 MFS), you must pay at least 110% of last year total tax to qualify for the safe harbor. The 90% of current year tax test still applies as an alternative.

Can I skip estimated payments and pay in April?

Only if you qualify under the safe harbor (paid 100%/110% of prior year tax via withholding). If withholding is insufficient, quarterly payments are needed to avoid the underpayment penalty.

Quarterly Estimated Tax Safe Harbor Calculator

Determine your 2024 quarterly estimated tax payments to avoid underpayment penalties. Safe harbor: pay 100% of prior year tax (110% if AGI > $150,000) or 90% of current year tax.

Principal ($)

Annual Rate (%)

Years

Compounding / Year

$ Finance Disclaimer: These calculators are for educational and illustrative purposes only. Results do not constitute financial advice. Consult a licensed financial advisor before making investment or borrowing decisions.

How to Use

Enter the values for the scenario you are assessing. Determine your 2024 quarterly estimated tax payments to avoid underpayment penalties. Safe harbor: pay 100% of prior year tax (110% if AGI > $150,000) or 90% of current year tax. Use the estimated tax safe harbor result to inform your calculation.

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Quarterly Estimated Tax Safe Harbor Calculator

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Frequently Asked Questions

What are the 2024 estimated tax due dates?

What is the safe harbor rule for high earners?

Can I skip estimated payments and pay in April?