Criminal Defense Resources

California Time-Served Estimator & Custody Credits Calculator

Estimate how much custodial time may be served based on sentence length, custody type, and basic credit assumptions. This tool provides a general estimate only.

Sentence Length — Years

Additional Months

Custody Type

Credit Assumption

Pre-Sentence Credit (Days)

Custody Start Date

Case Notes (Optional)

Estimated Custodial Time

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Estimated Remaining Time After Pre-Sentence Credit

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Estimated Release Date

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Enter sentence details, choose a credit assumption, and click “Estimate Release.”

Important: This estimator provides a general estimate only and is not legal advice. Actual release dates can vary based on offense classification, statutory limits on credits, disciplinary credits, split sentencing, CDCR calculations, county practices, and other case-specific factors.