Income & Filing
Payments Made
2026 Tax Schedule
IRS Form 1040-ES quarterly estimates
Self-Employment Tax (15.3%)$11,304
QBI Deduction (20%)−$5,652
Estimated Federal Tax$6,954
State Tax (CA)$6,082
Total Estimated Tax$24,340
Each Quarterly Payment
$6,085
Payment Tracker
Q1April 15, 2026
Jan 1 – Mar 31
$5,000 / $6,085
⚠️ Underpaid
Q2June 15, 2026
Apr 1 – May 31
$5,000 / $6,085
⚠️ Underpaid
Q3September 15, 2026
Jun 1 – Aug 31
$0 / $6,085
⚠️ Underpaid
Q4January 15, 2027
Sep 1 – Dec 31
$0 / $6,085
⚠️ Underpaid
⚠️ You may be underpaying
Paid: $10,000 of $24,340 · Remaining: $14,340
The IRS safe harbor requires paying at least 90% of your tax liability or 100% of last year's tax (110% if AGI > $150K) to avoid underpayment penalties.
💡 How to Pay: IRS Direct Pay (free, online) · EFTPS (free, schedule payments) · Mail check with Form 1040-ES voucher · Credit card (fees ~2%) · IRS2Go mobile app
Data Source & Legal Disclaimer
Effective: 2026-01-01
Last updated: Today
Update frequency: Annual
Sources: IRS — Form 1040-ES
Tax estimates use progressive federal and state brackets where available. Your actual tax depends on deductions, credits, business expenses, and other factors. The safe harbor rule protects against underpayment penalties. This is not tax advice — consult a CPA.