Tax Year 2025

Quarterly Estimated Tax Calculator

Calculate your quarterly estimated tax payments to avoid IRS underpayment penalties. Perfect for freelancers, contractors, and small business owners.

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Income & Deductions

Expected Annual Income (Gross)

Total expected income from self-employment, 1099s, business income

Business Expenses / Deductions

Business expenses, home office, equipment, supplies, etc.

Other Income (W-2, Interest, etc.)

Income with taxes already withheld

Tax Withholding (from W-2s)

Federal income tax already withheld from paychecks

Filing Status

State

State Tax Withheld

Safe Harbor Settings

Prior Year Tax Liability

Total tax from last year's return (Form 1040, line 24)

Prior Year AGI

Adjusted Gross Income from last year (determines 100% vs 110% safe harbor)

Quarterly Payment Amount

per quarter (Federal)

Annual Federal Tax

Annual State Tax

Self-Employment Tax

Net Self-Employment

Tax Breakdown

Gross Self-Employment Income $0

Business Deductions $0

Net Self-Employment Income $0

SE Tax Deduction (50%) $0

Other Income $0

            Adjusted Gross Income
            $0
          

Standard Deduction $0

            Taxable Income
            $0
          

Safe Harbor Threshold

To avoid penalties, pay at least:

Potential Underpayment Penalty

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2025 Payment Schedule

Quarter	Period	Due Date	Federal	State

Payment Tips

Pay online at IRS.gov/payments (no fee for bank transfer)
Use Form 1040-ES vouchers if paying by mail
Consider increasing W-2 withholding instead of quarterly payments
State payments vary - check your state's tax website

Disclaimer: This calculator provides estimates for educational purposes only. Tax calculations are complex and depend on many factors not considered here. This tool uses simplified tax brackets and does not account for all credits, deductions, or special situations. Consult a qualified tax professional for personalized advice. State tax rates shown are approximate top marginal rates and actual liability may vary.