7 Common Things That Are 1.375 Inches Long – (2026)

From the medium binder clip on your desk to the castle golf tee in your bag, things that are 1.375 inches long surround you every single day without you realizing it.

This guide covers 7 common items that measure 1.375 inches so you can instantly visualize this exact length — no ruler required.

Kitchen & Home Items That Are 1.375 Inches Long

Your kitchen and home hold some of the most accessible and accurate everyday examples of things that are 1.375 inches long — right within arm’s reach.

Standard Bottle Cap

A standard plastic bottle cap used on soda, water, and juice bottles measures exactly 1.375 inches in diameter, a dimension regulated across the USA bottling industry for automated filling and sealing machinery. Brands like Coca-Cola and Pepsi maintain this consistent cap diameter across their entire product line to ensure leak-proof seals on carbonated beverages.

The next time you twist off a cap, that circular disc between your thumb and fingers is a perfect, portable 1.375 inches reference you can use anywhere.

Office Supplies Measuring 1.375 Inches Long

Your desk drawer is one of the best places to find a quick and reliable reference for things that are 1.375 inches, with multiple objects sitting right at this exact dimension every day.

Medium Binder Clip

A medium binder clip measures exactly 1.375 inches across its metal wire frame width, a dimension standardized across major office supply brands including Staples and Officemax to ensure consistent gripping performance. The spring-loaded medium binder clip holds 20–40 sheets of standard paper comfortably while maintaining its precise 1.375-inch frame width across every production batch.

It is one of the most dependable things that are 1.375 inches long sitting right inside your desk drawer at this very moment.

Gaming & Entertainment Items That Are 1.375 Inches Long

Precision is everything in competitive gaming, and several gaming objects are manufactured to exact 1.375-inch specifications for regulated, fair, and consistent play.

Casino Precision Dice

Professional casino precision dice measure exactly 1.375 inches on each face side — a dimension regulated by gaming commissions in Nevada, New Jersey, and other USA gambling jurisdictions to ensure fair, tamper-resistant play.

Casino precision dice are noticeably larger than standard 0.625-inch board game dice, and casinos specifically choose the 1.375-inch size so overhead security cameras can monitor every roll clearly during live craps and table games.

Sports Equipment That Are 1.375 Inches Long

Athletic manufacturers follow strict international standards rigorously, and 1.375 inches appears in some of the most widely used sports objects across America and worldwide.

Castle-Style Golf Tee

A castle-style golf tee, also called a stepped tee, stands exactly 1.375 inches tall from its ground base to its ball-resting cup — a height specifically engineered for lower ball positioning with fairway woods and long irons.

It is one of the most sport-specific and performance-driven things that are 1.375 inches long, with a direct, measurable impact on shot accuracy and ball trajectory.

Technology Items That Are 1.375 Inches Long

Modern electronics are built on precise global standards, and 1.375 inches appears in some of the most universally handled tech components found in American homes and offices.

USB-A Connector

A USB-A connector — including its full metal housing and plastic outer casing — measures approximately 1.375 inches in total length, a dimension governed by the USB Implementers Forum (USB-IF) specification that standardizes USB dimensions globally across all manufacturers.

The USB-A connector’s 1.375-inch length is one of the most technologically standardized and globally consistent things that are 1.375 inches long across billions of devices worldwide.

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Hardware & Tools Measuring 1.375 Inches Long

The hardware aisle holds some of the most precisely built examples of things that are 1.375 inches, manufactured to exact mechanical tolerances for construction and industrial use every single day.

Standard Hex Nut

A standard hex nut used in construction and machinery measures exactly 1.375 inches across its flat-to-flat points — the dimension mechanics and builders rely on daily for proper wrench and socket tool compatibility.

Brands like Stanley and Everbilt manufacture the standard hex nut to tight dimensional tolerances, making it one of the most consistent and dependable 1.375 inch objects in any hardware store across the USA.

If you have a toolbox at home, there is a very high chance a standard hex nut measuring exactly 1.375 inches is already sitting inside it right now.

Personal & Fashion Items Measuring 1.375 Inches Long

Your own wardrobe holds surprisingly precise measurements, and the 1.375-inch dimension appears regularly in clothing hardware and sewing notions used in everyday American fashion.

Large Coat Button

An oversized large coat button used on jackets and outerwear fashion garments consistently measures 1.375 inches in diameter — a dimension rooted in 1940s and 1950s American tailoring standards that has remained an industry benchmark for decades.

Vintage coat restoration projects frequently require sourcing specialty 1.375-inch large coat buttons because this exact size was the dominant outerwear standard throughout the post-war tailoring era in the United States.

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Conclusion

1.375 inches — equivalent to 1 and 3/8 inches or 34.93 millimeters — is woven into American daily life through hardware, office supplies, sports equipment, technology, and fashion in ways most people never consciously notice.

These 7 common things that are 1.375 inches long give you reliable, zero-cost reference points for estimating this exact length anywhere you are, without any tools. Next time you open a soda bottle, clip documents together, or plug in a USB drive, you’ll instantly recognize what 1.375 inches feels like in the real world.

FAQs About Things That Are 1.375 Inches Long

What is 1.375 inches in fraction form?

1.375 inches equals exactly 1 and 3/8 inches (1⅜ in) — a standard fractional dimension widely used in American hardware, woodworking, and precision manufacturing specifications across multiple industries.

How long is 1.375 inches in millimeters?

1.375 inches converts to exactly 34.925 millimeters or approximately 3.49 centimeters, making it directly comparable to metric specifications used in international engineering and product manufacturing.

What everyday object is exactly 1.375 inches?

A standard bottle cap diameter and a medium binder clip width are the two most accurate and accessible 1.375 inch objects for instant size reference without any measuring tools.

How do I measure 1.375 inches without a ruler?

Use a medium binder clip width or a standard bottle cap — both are reliable, always-available things that are 1.375 inches long that most Americans already own and handle daily.

Is 1.375 inches bigger than 1 inch?

Yes — 1.375 inches is 37.5% longer than one full inch, equal to one inch plus an additional 3/8 inch, which is approximately 9.5 extra millimeters beyond the one-inch mark.

What is 1.375 inches used for in construction?

This length appears in finishing nails, standard hex nut widths, screw diameters, and pipe fitting specs — all common standardized hardware sizes used across USA residential and commercial construction projects daily.

Can I use my body to estimate 1.375 inches?

Yes — the width of an adult thumb at the knuckle joint approximates 1.375 inches reliably, giving you a quick, always-available field estimate without any measuring tools required.

What is the difference between 1.375 inches and 1.5 inches?

The gap is exactly 0.125 inches — one-eighth of an inch — equal to roughly 3.175 millimeters, a difference that matters significantly in precision carpentry, metalworking, and mechanical fastener selection.