# 33 C.F.R. § 157.05 (2026): Performing calculations for this part

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_05

## Section

- **Citation:** 33 C.F.R. § 157.05 (2026)
- **Heading:** Performing calculations for this part
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 33 CFR: Navigation and Navigable Waters / Chapter I: COAST GUARD, DEPARTMENT OF HOMELAND SECURITY / Part 157: RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK / Subpart A: General / § 157.05: § 157.05   Performing calculations for this part.

## Text

In this part, unless the context requires otherwise:
(a) Formulas are in the International System of Units (SI);
(b) Values used in those formulas must be in the International System of Units; and
(c) Forward and after perpendiculars are located at the forward end and at the after end of the length. The forward perpendicular coincides with the foreside of the stem on the waterline on which the length of the vessel is measured.

## Nearby sections

- [33 C.F.R. § 157.01 (2026) § 157.01   Applicability.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_01.md)
- [33 C.F.R. § 157.02 (2026) § 157.02   Incorporation by reference: Where can I get a copy of the publications mentioned in this part?](https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_02.md)
- [33 C.F.R. § 157.03 (2026) § 157.03   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_03.md)
- [33 C.F.R. § 157.04 (2026) § 157.04   Authorization of classification societies.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_04.md)
- [33 C.F.R. § 157.05 (2026) § 157.05   Performing calculations for this part.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_05.md)
- [33 C.F.R. § 157.06 (2026) § 157.06   Appeals.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_06.md)
- [33 C.F.R. § 157.07 (2026) § 157.07   Equivalents.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_07.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T33_P157_S157_05. Check the current official text before relying on it. Not legal advice.