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Tax Center / Calculators

Tax Calculators

Interactive tools built on verified IRS figures. Every estimate updates as you type — and every tool tells you exactly what it does and doesn't cover.

Next deadline

Q3 2026 estimated tax payment

Tuesday, September 15, 2026

6 days

Dates may shift to the next business day when they fall on a weekend or federal holiday. Always confirm at IRS.gov.

Questions about your results?

These tools are general reference — your actual return may look different. For advice specific to your situation, schedule a consultation with an Enrolled Agent.