---
title: "2025 Federal Sentencing Guidelines Calculation Provisions"
citation: "U.S.S.G. §§ 1B1.1, 1B1.11 (Nov. 1, 2026)"
authority_id: "AUTH-USSG-2026-SENTENCING-CALCULATION"
authority_type: "guideline"
jurisdiction: "federal_nationwide"
precedential_status: "advisory_guideline"
official_url: "https://www.ussc.gov/guidelines/2026-guidelines-manual/annotated-2026-chapter-1"
url: "https://jason93.com/legal/federal-process/authorities/AUTH-USSG-2026-SENTENCING-CALCULATION/"
legal_review: "2026-10-31"
license: "CC BY 4.0"
---

# 2025 Federal Sentencing Guidelines Calculation Provisions

## Holding or rule used

- Sequenced Guidelines calculation, departures, variances, one-book rule, and ex post facto instruction.

## Material limitation

Applies at sentencings on or after Nov. 1, 2026, unless § 1B1.11 and the Ex Post Facto Clause require an earlier edition. Text compared with the 2025 edition; changes in this chapter are limited to Amendments 838, 840, 841, and 843 (91 Fed. Reg. 24,088).

## Source

U.S.S.G. §§ 1B1.1, 1B1.11 (Nov. 1, 2026): <https://www.ussc.gov/guidelines/2026-guidelines-manual/annotated-2026-chapter-1>


## Used in

- [Presentence Investigation, Guidelines, and Sentencing Hearing](https://jason93.com/legal/federal-process/modules/40-sentencing/presentence-guidelines-and-sentencing-hearing.md)