Metric conversion table

Primary source

Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

Full Text

Use the following table for metric conversion:

Inches Millimeters 5⁄64 1.98 18⁄100 0.46 1⁄4 6.35 30⁄64 11.88 Ounces Grams 1 28.35 2 56.7

[68 FR 50685, Aug. 22, 2003]

eCFR data current as of: November 6, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.