7 CFR § 51.1566 - Metric conversion table.

---
identifier: "/us/cfr/t7/s51.1566"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "7 CFR § 51.1566 - Metric conversion table."
title_number: 7
title_name: "Agriculture"
section_number: "51.1566"
section_name: "Metric conversion table."
chapter_name: "AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE"
subchapter_number: "C"
subchapter_name: "REQUIREMENTS AND STANDARDS UNDER THE AGRICULTURAL MARKETING ACT OF 1946 AND THE EGG PRODUCTS INSPECTION ACT"
part_number: "51"
part_name: "FRESH FRUITS, VEGETABLES, AND OTHER PRODUCTS (INSPECTION, CERTIFICATION, AND STANDARDS)"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 1621-1627."
cfr_part: "51"
---


# 51.1566 Metric conversion table.

| Inches | Millimeters (mm) |
| --- | --- |
| ⁄ equals | 3.2 |
| ⁄ equals | 6.4 |
| ⁄ equals | 12.7 |
| ⁄ equals | 19.1 |
| 1 equals | 25.4 |
| 1⁄ equals | 38.1 |
| 2 equals | 50.8 |
| 2⁄ equals | 63.5 |
| 3 equals | 76.2 |
| 3⁄ equals | 88.9 |
| 4 equals | 101.6 |
| 4⁄ equals | 114.3 |

| Ounces | Grams |
| --- | --- |
| 1 equals | 28.35 |
| 4 equals | 113.40 |
| 5 equals | 141.75 |
| 6 equals | 170.10 |
| 7 equals | 198.45 |
| 8 equals | 226.80 |
| 9 equals | 255.15 |
| 10 equals | 283.50 |
| 12 equals | 340.20 |
| 14 equals | 396.90 |
| 16 equals | 453.60 |
| 18 equals | 510.30 |
| 19 equals | 538.60 |
| 20 equals | 567.00 |