Engineering and Management

Item Size Lookup

Sat, 25 Jul 2026 00:00:00 +0000

Type a size, gauge, screw or drill designation, nail size, pipe size, shoe size, or caliber into the box below and see everything else — across wire gauges, drill bits, pipe schedules, fasteners, firearms, medical devices, electronics, and hundreds of other real-world standards — that lines up at that exact dimension.

A note on accuracy: every entry is pulled from a real, cited standard or manufacturer spec, but this is one engineer’s reference chart, not a certified document. Verify any dimension against the actual governing spec before relying on it for a purchase, a fit-up, or anything safety-critical.

Pros Use Checklists

Thu, 23 Jul 2026 00:00:00 +0000

There’s a quiet assumption a lot of people carry into their careers: checklists are for beginners. Once you’re actually good at something, the thinking goes, you shouldn’t need one — real expertise means holding it all in your head. It’s a natural assumption, and it’s backwards. Look at who actually relies on checklists in the real world, and a different pattern shows up: the more consequential the work, the more likely you are to find a checklist behind it, used by people who are unquestionably experts.

What This Chart Covers

Mon, 01 Jan 0001 00:00:00 +0000

The Item Size Lookup tool cross-references 1537 real, standardized dimensions from 0 to 24 inches (0-609.6mm) across roughly 40 categories. Type a decimal size, a screw or drill designation, a gauge, a nail size, a pipe/tube size, a shoe size, or a caliber/cartridge name, and see everything else — across every category below — that lines up at that exact dimension.

Wire, Cable & Electrical

Four wire gauge standards (AWG, SWG, BWG, and IEC 60228), circular mil, sheet steel gauge, battery cell sizes, coax cable sizes, blade fuse sizes, light bulb base sizes, and wire terminal/lug stud hole sizes.

Learn to Visualize It: An Inch-to-Metric Comparison Chart

Thu, 23 Jul 2026 00:00:00 +0000

One of the most important lessons I picked up early in my career didn’t come from a textbook — it came from realizing that the engineers and technicians who were genuinely good at their jobs could see what they were describing. A tolerance stack-up, a drill size, a screw thread — these aren’t abstract decimals to them. They’re a real, physical size they can picture, compare, and reason about instantly. That ability to visualize what you’re working with isn’t a nice-to-have. It’s a real, learnable skill, and it’s key to actually being effective, not just knowledgeable.

References & Sourcing

Mon, 01 Jan 0001 00:00:00 +0000

What each column on the Item Size Lookup tool represents, and where the standard comes from. Inches/mm are the chart’s own base conversion axis. Range Context only shows an entry where a row’s dimension is an exact match for a real, sourced common-item size – most rows have no exact match, so that cell is blank, deliberately. Most of Range Context is descriptive labels from the original chart itself with no external standard behind them, except the rice grain, grain of sand, 16oz can, wine bottle, fingerprint residue, paper, paint coat, motor oil molecule, oleic acid molecule, smallest-ever-observed, US coin, credit card, optical disc, sporting ball, and pencil entries, which are sourced below. Human body-size entries (hair, thumbnail, eyeball, pupil, blood cell, fingerprint ridge, skin cell) live in their own Human Anatomy column, sourced the same way – see below.

The AI Factory Still Needs Humans

Mon, 27 Jul 2026 00:00:00 +0000

Over the weekend, a post crossed my feed describing a “personal software factory.” It’s a system of AI coding agent skills that turns an idea into a working product overnight. How does it work? An “interviewer” agent pulls a product brief out of you. A “planner” agent breaks it into small tasks. A “professor” agent writes the exam before any code is generated. The system then builds the product unattended overnight, with circuit breakers in place to prevent it from digging a deeper hole while you sleep. Finally, a “grader” agent checks the result, and it’s all ready for you in the morning.

Affiliate Disclosure

Mon, 01 Jan 0001 00:00:00 +0000

The footer of this site links to AdBlob (adblob.com), my own gear storefront. AdBlob contains affiliate links — mainly Amazon Associates and the eBay Partner Network. If you click through and buy something, I may earn a small commission at no extra cost to you.

That footer link is currently the only monetized element on this site. The articles themselves contain no affiliate links. If that ever changes, any affiliate link will be marked inline where it appears, and this page will be updated to say so.

Privacy Policy

Mon, 01 Jan 0001 00:00:00 +0000

Last updated: August 16, 2026.

A plain-language description of what this site actually does with data, not formal legal counsel.

What This Site Collects

Nothing directly. There are no comments, no contact forms, no newsletter signup, and no accounts on this site.

Third-Party Services

A couple of embedded services can see that your browser loaded a page here, as an ordinary side effect of how they work:

Google Fonts — this site loads typefaces (IBM Plex) from Google’s font service (fonts.googleapis.com, fonts.gstatic.com), which means your browser makes a request to Google when you load a page, and Google can see your IP address as an ordinary side effect.
Embedded X (Twitter) posts — one article embeds a real X post using X’s own widget script. X’s own cookies may apply, per X’s privacy policy, independent of anything this site does.
Embedded YouTube video — one article embeds a YouTube video, which loads YouTube’s own player and can set YouTube/Google cookies per their privacy policy.

Neither of these is an analytics or advertising tracker — this site runs no ad network and no visitor-tracking analytics of its own.

About

Mon, 01 Jan 0001 00:00:00 +0000

I’m Matthew Foutch (AE4JC) — a Senior Manufacturing Engineer with a multi-decade career in real, hands-on process engineering: AutoCAD, SolidWorks, project management, VA/VE training, and the everyday discipline of making a process actually work on the floor, not just on paper.

This site is a small, deliberate trial. I have a lot of real engineering and management knowledge worth sharing — process discipline, lean thinking, and the practical habits that separate good engineering from good intentions — but no home for it yet that fit the audience: engineers and managers, not hobbyists. My other two sites are scoped elsewhere (ae4jc.com is ham radio, solvetheuniverse.com is physics theory), so this one exists to test whether this kind of content is worth building out further.

What's New

Mon, 01 Jan 0001 00:00:00 +0000

Everything on this site, newest change first. New pages and revised ones both show up here — this list is generated from the site’s own history, so nothing has to be remembered onto it.

Prefer to be told instead of checking? The RSS feed carries the same thing, and there’s a link in the footer of every page.