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    How to Calculate Rent Late Fees: Formulas, Examples & State Caps (2025)

    This page focuses on how to calculate rent late fees and related questions. Use the calculator or state pages to compare limits and timing.

    Last Updated
    December 6, 2025
    RentLateFee Legal Team
    Property Law Specialists
    Our team researches and verifies all state-specific late fee regulations to ensure accurate calculations and compliance guidance.
    Legal Citations
    5 state statutes cited
    Legal References:
    Quick Late Fee Calculation Reference
    Flat Fee

    Late Fee = Fixed Amount
    Example: $50 flat fee

    Percentage

    Late Fee = Rent × %
    Example: $1,500 × 5% = $75

    Daily Charge

    Late Fee = Rate × Days
    Example: $10 × 5 days = $50

    Calculate Your Exact Late Fee Now

    Use our free calculator to get your state-compliant late fee amount instantly. Enter your rent, state, and payment date to see the maximum allowable late fee.

    Try the Calculator Below

    Get instant, state-compliant late fee calculations. Enter your rent amount, state, and payment details to see the maximum allowable late fee.

    Late Fee Calculator
    100% Free
    AI-Verified
    Enter your rental details to verify late fee compliance

    Select where the rental property is located

    Base rent only - exclude utilities, pet fees, parking, and other add-ons

    The late fee percentage specified in your lease agreement

    Get the Free Late Fee Guide

    Download our PDF guide with state-by-state late fee caps, calculation worksheets, and dispute letter templates.

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