FormLLC Tools – Annual Filing Calculator (U.S. Residents)
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Free Business Tools

Smart calculators to track annual filings, key tax deadlines, and compliance timing – built for U.S. residents using FormLLC.

Annual Filing Calculator

Enter company details to calculate the annual filing window, current phase, and estimated amount.

Note: Amount includes estimated annual state filing(s), Registered Agent, state fees, and common service charges (varies by state and entity type).

Tax Deadline Calculator

Compute upcoming federal filing window & phase for common business tax returns (calendar-year assumption): Form 1120 (C-Corp), Form 1120-S (S-Corp), or Form 1065 + K-1 (partnership). For single-member LLCs taxed as sole proprietorships, the owner typically files Schedule C with Form 1040.

Note: This tool shows the federal filing window only (state tax and state annual items may be separate). Assumes calendar-year.

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