Form 1040 calendar-year filing deadline
October 15, 2027Extended individual return deadline, if a valid extension was filed.
Client Tools
Client Resources
Client Tools
Practical calculators, deadline reminders, and document organizers for tax and accounting planning. These tools are rough educational estimates only.
Next Tax Deadline
Upcoming Tax Deadlines
Plan ahead with general federal deadline reminders for individuals and businesses.
Calendar-year Forms 1120-S and 1065
Calendar-year Form 1120
Next quarterly estimated federal tax payment
General monthly payroll reference date
General monthly sales-tax reference date
Dates are general federal deadlines and may vary due to weekends, holidays, state rules, extensions, and specific taxpayer circumstances. Contact us to confirm your filing deadline.
Reference Calendar
Interactive Tax Calendar
Select a highlighted date
Click a deadline on the calendar to see details here.
Dates are general reference dates and may vary due to weekends, holidays, state rules, extensions, and taxpayer-specific circumstances. Contact MEI CPA, P.C. to confirm your deadline.
Scientific Calculator
No calculations yet.
Self-Employment Tax Estimator
Enter whole dollars only. This is a rough educational estimate.
Formula: net income × 92.35% × 15.3%. This estimates self-employment tax only, before income tax, deductions, credits, and phaseouts.
W-2 vs 1099 Tax Impact Estimator
Enter whole dollars only. Use estimated net income after business expenses.
Enter whole dollars only. This is a rough educational estimate.
Formula: 1099 net income × 92.35% × 15.3%, compared with the W-2 tax payments you enter. It does not estimate total income tax.
Refund / Balance Due Organizer
Enter whole dollars only. This is a rough educational estimate.
Use your best current estimate before credits, penalties, state tax, and other adjustments.
Formula: payments minus expected federal tax. Positive results suggest an overpayment; negative results suggest a balance due.
Tax Document Organizer
Income documents
Deduction documents
Business records
Rental property records
Investment records
Foreign account / international items
IRS or state notices
Entity and prior-year documents
Need help applying this?
MEI CPA can help review your records, deadlines, entity setup, or tax planning questions.
These tools are for general educational purposes only and are not tax advice. Contact MEI CPA, P.C. to discuss your specific situation.
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