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A quarterly estimated tax calculator determines the required estimated tax payments to avoid IRS underpayment penalties. Self-employed individuals and those with significant investment income must pay quarterly taxes on April 15, June 15, September 15, and January 15. The safe harbor amount is 100% of last year's tax (110% if AGI > $150,000).

Guida passo passo

1Estimate annual income
2Divide by 4
3Submit estimated tax payment

Esempi risolti

Ingresso

$100,000 estimated income

Risultato

Pay ~$10,000-15,000 quarterly

Avoid penalties with safe harbor

Errori comuni da evitare

✕Not verifying results
✕Ignoring jurisdiction

Domande frequenti

What does this calculator do?

Identify calculation need

How do I use this calculator?

Input required values

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