Sentencing Guidelines Calculator
Federal sentencing range from offense level and criminal history.
About this calculator
This calculator reproduces the actual mechanics of the U.S. Sentencing Guidelines table used in every federal criminal case, matching the U.S. Sentencing Commission's Guidelines Manual (effective November 1, 2025), Chapter 5, Part A — the independent judicial-branch agency Congress created in 1984 to write and annually revise these numbers. It starts from a base offense level (1–43, set by the specific statute of conviction under USSG Chapter 2), then applies your inputs for specific offense characteristics, role in the offense (leader vs. minor participant), a 2–3 level reduction for accepting responsibility, and a 2-level enhancement for obstruction of justice, to arrive at a final offense level. Separately, criminal history points (following the standard 3/2/1-point scheme for prior sentences of different lengths) are converted into one of six Criminal History Categories (I through VI) per USSG Chapter 4.
The final offense level and category together locate a cell in a simplified version of the actual sentencing table, giving a minimum and maximum sentence in months; because this calculator only stores entries for select levels, it linearly interpolates between the nearest tabulated levels rather than reproducing every single row — real guideline tables don't interpolate, so treat ranges between the calculator's anchor levels as close approximations, not the literal published figures. Sentences at or above level 43 (or any cell reaching the guidelines' effective ceiling) are reported as "life," shown as 470 months by convention. The tool also reports the sentencing zone (A through D, which determines whether probation or a split sentence is even available), a typical supervised-release term based on offense severity, and an estimated good-time credit of about 15% of the minimum, reflecting the federal system's abolition of parole in favor of limited good-conduct time. Actual sentences depend heavily on judicial discretion post-Booker and case-specific departures this calculator cannot model.
Legal Disclaimer
This calculator provides general estimates only and does not constitute legal advice. Laws, regulations, and court procedures vary significantly by jurisdiction. Consult a licensed attorney in your area for advice specific to your situation.
Inputs
Results
Final Offense Level
10
Guideline Minimum (months)
6
Figures current as of 2025. Source: U.S. Sentencing Commission. Guidelines Manual, Ch. 5, Pt. A — Sentencing Table (effective Nov. 1, 2025).
How to Use This Calculator
- Enter Base Offense Level from the applicable guidelines section for the conviction.
- Set Specific Offense Adjustments (e.g. for loss amount in fraud, drug quantity, weapon use).
- Enter Role in Offense Adjustment: positive for leader/organizer, negative for minor participant.
- Set Acceptance of Responsibility Reduction — typically -2 or -3 points for timely guilty plea.
- Enter Criminal History Points from the defendant's criminal history worksheet.
- Review Final Offense Level and Criminal History Category to find the guideline sentencing range.
How the result changes with Base Offense Level
| Base Offense Level | Final Offense Level | Guideline Minimum (months) |
|---|---|---|
| 5 | 5 | 0 |
| 7.5 | 8 | 0 |
| 15 | 15 | 18 |
| 25 | 25 | 57 |
What each input means
- Base Offense Level
- Base offense level from USSG Chapter 2 (1-43). Each federal crime has a specific base level.
- Specific Offense Adjustments
- Net adjustments for specific offense characteristics (e.g., +2 for weapon use, +4 for leadership role).
- Role in Offense Adjustment
- Aggravating: +2 to +4 for organizer/leader. Mitigating: -2 to -4 for minimal/minor participant.
- Acceptance of Responsibility Reduction
- 2-3 level reduction for accepting responsibility (typically via guilty plea). 0=contested, 2=accepted, 3=early plea + cooperation.
- Criminal History Points
- Points from prior sentences: 3pts per sentence >13 months, 2pts per sentence 60 days-13 months, 1pt per other sentence. Total determines category I-VI.
- Obstruction of Justice
- Adds 2 levels for perjury, witness tampering, or other obstruction.
What each result means
- Final Offense Level
- Calculated offense level after all adjustments (1-43).
- Criminal History Category
- Category I-VI based on criminal history points.
- Guideline Minimum (months)
- Minimum imprisonment recommended by guidelines. 470 = life.
- Guideline Maximum (months)
- Maximum imprisonment recommended by guidelines. 470 = life.
- Guideline Minimum (years)
- Minimum sentence in years. 99 = life sentence.
- Guideline Maximum (years)
- Maximum sentence in years. 99 = life sentence.
- Sentencing Zone
- Zone A(0)=probation eligible, B(1)=probation w/ conditions, C(2)=split sentence, D(3)=imprisonment required.
- Supervised Release (months)
- Typical supervised release term following imprisonment.
- Good Time Credit (months)
- Potential sentence reduction for good behavior (~15% of minimum).
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersBase Offense Level = 10, Specific Offense Adjustments = 0, Role in Offense Adjustment = 0, Acceptance of Responsibility Reduction = 0 = 6 input(s) provided
- Calculate Final Offense LevelFinal Offense Level10 = 10
- Calculate Guideline Minimum6 = 6
- Calculate Criminal History Category1 = 1
- Calculate Guideline Maximum12 = 12
Figures and sources
- Federal Sentencing Guidelines — Sentencing Table (Offense Level × Criminal History Category) (2025) — U.S. Sentencing Commission. Guidelines Manual, Ch. 5, Pt. A — Sentencing Table (effective Nov. 1, 2025).
Engine last updated . Checked against 4 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.
Frequently Asked Questions
What happens if my final offense level falls between the levels shown in the sentencing table?
The calculator only stores entries for select levels (1, 4, 6, 8, 10, and so on) and linearly interpolates the minimum and maximum months between the two nearest tabulated levels for your criminal history category. The real USSG table has a published row for every single level from 1 to 43 with no interpolation, so a level that falls between the calculator's anchor points is an approximation of the real published range rather than the literal figure.
In what order are the offense-level adjustments applied?
The base offense level is first adjusted by specific offense characteristics and role in the offense, then reduced by the acceptance-of-responsibility points, and only after that does the 2-level obstruction-of-justice enhancement get added — so obstruction and acceptance reduction can both apply to the same case and partially offset each other, rather than one canceling out the other's eligibility.
How do Criminal History Points turn into a Criminal History Category?
The calculator buckets your total points into six categories per USSG Chapter 4: category I for 0-1 points, II for 2-3, III for 4-6, IV for 7-9, V for 10-12, and VI for 13 or more. The category you land in selects which column of the sentencing table your final offense level is looked up against, so the same offense level can produce very different ranges depending on criminal history alone.
What do the sentencing zones (A through D) actually control?
They indicate what kind of sentence is even legally available under USSG Chapter 5, Part A: Zone A (a guideline range capped at 0-6 months) makes straight probation possible, Zone B and C allow probation with conditions or a split sentence of prison plus supervised release, and Zone D — anything above roughly 15 months — requires a sentence of imprisonment with no probation option.
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