inch ↔ mm Converter

by mtaallah · Education

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Convert between inches and millimeters instantly.

Users

+5 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#112K

#94K among extensions

Version

1.0

updated 5 Aug 2025

Users

monthly, 14 months

Latest, 15 Oct 2026: 45 usersMove the mouse over the chart for any month

Ratings count

monthly, 14 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About inch ↔ mm Converter

A precise, user-friendly unit converter built specifically for engineers, machinists, makers, and students who work across metric and imperial systems. Easily convert between inches and millimeters with up to 6 decimal places of precision. Supports fractional input like 1/8, 1 1/4, and displays exact simplified fractional equivalents (e.g., 1 3/8") when applicable. Developed by a mechanical engineer using ChatGPT as a collaborative coding assistant — combining real-world engineering needs with fast, intelligent development.