First Step Act Calculator

Estimate Your Time Credits

This First Step Act Calculator helps estimate potential time credits and an adjusted release date based on the First Step Act (FSA) and Good Conduct Time (GCT).

Projected Credit Accrual

Year	Annual GCT (days)	Potential FSA (days, assuming full participation)	Cumulative GCT	Cumulative FSA	Total Credits

Table showing projected Good Conduct Time (GCT) and First Step Act (FSA) credit accrual over the sentence years, assuming consistent FSA participation at the selected rate and no forfeitures.

Sentence Length Comparison

Chart comparing Original Sentence Length, Sentence Length after GCT, and Sentence Length after both GCT and FSA credits are applied.

Understanding the First Step Act Calculator

What is a First Step Act Calculator?

A First Step Act Calculator is a tool designed to estimate the potential time credits an eligible federal inmate can earn towards an earlier release under the provisions of the First Step Act (FSA) of 2018. It takes into account Good Conduct Time (GCT) and the time credits earned through participation in Evidence-Based Recidivism Reduction (EBRR) programs and Productive Activities (PAs). This First Step Act Calculator helps inmates and their families project a possible release date by factoring in these earned credits.

This calculator is primarily for federal inmates who are eligible to earn FSA time credits. Eligibility depends on the offense of conviction, risk and needs assessment (PATERN score), and participation in recommended programs. It’s important to understand that the First Step Act Calculator provides an estimate, and the final determination of credits and release date is made by the Bureau of Prisons (BOP).

Common misconceptions are that every federal inmate gets these credits automatically or that the calculator’s result is a guaranteed release date. In reality, earning and applying credits are subject to specific criteria, program availability, inmate conduct, and BOP policies. The First Step Act Calculator is a projection tool, not a final verdict.

First Step Act Calculator Formula and Mathematical Explanation

The First Step Act Calculator uses the following logic:

1. Calculate Original Sentence in Days: Convert the years and months of the sentence into a total number of days (using an average of 365.25 days per year and 30.4375 days per month for approximation).
2. Calculate Maximum Good Conduct Time (GCT): For sentences over one year, GCT is earned at a rate of 54 days for each year of the *imposed* sentence.
   `Max GCT = floor(Total Original Sentence Days / 365.25) * 54`
3. Calculate Earned FSA Credits: FSA credits are earned at a rate of 10 or 15 days for every 30 days of successful participation in approved programs, depending on the inmate’s risk level (minimum or low).
   `Earned FSA = FSA Periods Completed * FSA Rate`
4. Calculate Total Time Credits: Sum the earned GCT and FSA credits, then subtract any forfeited credits.
   `Total Credits = Max GCT + Earned FSA – GCT Forfeited – FSA Forfeited`
5. Calculate Adjusted Sentence Length: Subtract the total time credits from the original sentence length in days.
   `Adjusted Sentence Days = Total Original Sentence Days – Total Credits`
6. Estimate Release Date: Add the adjusted sentence days to the sentence start date.

The core formula is: `Estimated Release Date = Sentence Start Date + (Original Sentence Days – (GCT + FSA Credits – Forfeitures))`

Variables Table:

Variable	Meaning	Unit	Typical Range
Sentence Start Date	The day the federal sentence commenced.	Date	N/A
Original Sentence Length	The total duration of the sentence imposed by the court.	Years, Months	1+ year (for GCT)
FSA Rate	Days of credit earned per 30 days of programming.	Days	10 or 15 (for min/low risk)
FSA Periods Completed	Number of 30-day blocks of FSA programs finished.	Number	0+
GCT Forfeited	Good Conduct Time lost due to infractions.	Days	0+
FSA Forfeited	FSA Time Credits lost due to infractions or program issues.	Days	0+

Our First Step Act Calculator uses these variables for its estimations.

Practical Examples (Real-World Use Cases)

Let’s see how the First Step Act Calculator works with examples:

Example 1:

• Sentence Start Date: 2019-06-01
• Original Sentence: 7 years, 0 months (84 months)
• FSA Rate: 15 days
• FSA Periods Completed: 30
• GCT Forfeited: 0 days
• FSA Forfeited: 0 days

The First Step Act Calculator would estimate: Max GCT around 378 days (7*54), FSA credits of 450 days (30*15). Total credits ~828 days. The estimated release date would be approximately 828 days before the original 7-year out-date.

Example 2:

• Sentence Start Date: 2021-01-15
• Original Sentence: 3 years, 6 months (42 months)
• FSA Rate: 10 days
• FSA Periods Completed: 15
• GCT Forfeited: 30 days
• FSA Forfeited: 10 days

The First Step Act Calculator would estimate: Max GCT around 162 days (3*54), FSA credits of 150 days (15*10). Total credits before forfeiture ~312 days. After forfeitures (40 days), total credits ~272 days. The estimated release date would be around 272 days earlier.

How to Use This First Step Act Calculator

1. Enter Sentence Start Date: Input the date your federal sentence began.
2. Enter Original Sentence Length: Input the years and months of your court-imposed sentence.
3. Select FSA Rate: Choose the number of FSA credits (10 or 15) you earn per 30-day program period, based on your risk level (usually determined by the PATERN score).
4. Enter FSA Periods Completed: Input the number of full 30-day periods of eligible programming you have successfully completed.
5. Enter Forfeited Time: Input any GCT or FSA credits you have lost.
6. Click Calculate: The First Step Act Calculator will display the estimated release date, total GCT, FSA credits, and total credits.
7. Review Results: The primary result is the estimated release date. Intermediate values show the breakdown of credits.

The results help you understand the potential impact of GCT and FSA credits on your sentence. Remember, this is an estimate, and the BOP makes the final calculations. Our BOP sentence calculation guide provides more detail.

Key Factors That Affect First Step Act Calculator Results

• Offense Eligibility: Not all offenses are eligible for earning FSA credits for early release to the community, although most can earn them for more halfway house/home confinement time. The First Step Act Calculator assumes eligibility for the purpose of calculation.
• PATERN Risk Assessment: Your risk level (minimum, low, medium, or high) as determined by the PATERN tool dictates whether you can earn FSA credits (min/low can) and at what rate initially. Medium and high-risk inmates do not earn FSA credits towards early release but can earn them for other benefits.
• Program Availability and Completion: Earning FSA credits depends on the availability of and your successful participation and completion of recommended EBRR programs and PAs.
• Inmate Conduct: Disciplinary infractions can lead to the forfeiture of both GCT and FSA credits, extending the time served.
• BOP Policies and Implementation: The BOP’s interpretation and implementation of the FSA can affect how credits are awarded and applied.
• Statutory GCT Rules: GCT is earned based on the imposed sentence length (54 days per year for sentences over 1 year).
• Changes in Risk Level: If your risk level changes during reassessments, it can impact your FSA credit earning rate.
• Application of Credits: The BOP applies earned FSA credits towards pre-release custody (like halfway house or home confinement) or, for eligible inmates, towards early release from BOP custody. More details on FSA eligibility are crucial.

The First Step Act Calculator is sensitive to these inputs.

Frequently Asked Questions (FAQ)

1. Who is eligible to earn FSA time credits?

Generally, federal inmates who have not been convicted of certain disqualifying offenses and who are classified as minimum or low risk through the PATERN assessment can earn FSA credits towards early release, provided they participate in assigned programs. Most inmates, regardless of offense (with few exceptions), can earn credits for other benefits like more halfway house time. See our guide on FSA eligibility.

2. What is Good Conduct Time (GCT)?

GCT is time credited to federal inmates for good behavior, reducing their sentence. Under the First Step Act, eligible inmates can earn up to 54 days of GCT for each year of the sentence *imposed*. Learn about good conduct time rules.

3. How are FSA credits different from GCT?

GCT is awarded for good behavior over time, while FSA credits are *earned* through active and successful participation in recidivism reduction programs and productive activities. FSA credits are specifically authorized by the First Step Act.

4. Does the First Step Act Calculator guarantee my release date?

No. The First Step Act Calculator provides an *estimate* based on the information you enter. The Bureau of Prisons (BOP) is responsible for the official calculation and application of time credits and determining the final release date.

5. What happens if I lose GCT or FSA credits?

If you lose credits due to disciplinary actions, it will delay your estimated release date. The calculator allows you to input forfeited credits.

6. What is the PATERN risk score and how does it affect credits?

PATERN (Prisoner Assessment Tool Targeting Estimated Risk and Needs) is the BOP’s risk and needs assessment system. It classifies inmates as minimum, low, medium, or high risk. Only minimum and low-risk inmates can earn FSA credits towards early release, though all risk levels can earn them for other benefits if they participate. Find out more about the PATERN score.

7. What if I am not minimum or low risk?

Medium and high-risk inmates do not earn FSA time credits towards early release to the community, but they can still participate in programs to reduce their risk level and earn credits for other benefits like increased halfway house time. Participation is key for potential risk reduction.

8. Where can I find information about eligible BOP programs?

Your case manager or unit team at your facility can provide information on BOP programs available and recommended for you based on your needs assessment.

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