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

Inches Millimeters (mm) 62⁄64 24.6 59⁄64 23.4 56⁄64 22.2 49⁄64 19.4 48⁄64 19 47⁄64 18.6 45⁄64 17.9 44⁄64 17.5 42⁄64 16.7 35⁄64 13.9 34⁄64 13.5

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.