Westcott

Westcott CR-18 18-Inch Plastic Zero Centering Ruler

Name: Westcott CR-18 18-Inch Plastic Zero Centering Ruler
Brand: Westcott
SKU: CR-18

Precise Measurements with Westcott Zero Centering RulerAchieve accurate and precise measurements with the Westcott Plastic Zero Centering Ruler. Ideal for drafting, drawing, and crafting, this clear ruler features both inch and metric scales... Length: 18 Inches Material: Transparent Plastic ...

$11.84*$12.53Save 5%

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*Price sourced from Amazon.com. Last updated:Aug 29, 2026.Price and availability are subject to change — details.

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Overview

Precise Measurements with Westcott Zero Centering Ruler

Achieve accurate and precise measurements with the Westcott Plastic Zero Centering Ruler. Ideal for drafting, drawing, and crafting, this clear ruler features both inch and metric scales...

Length: 18 Inches
Material: Transparent Plastic
Scales: 16ths to the Inch, Millimeters
Centering: Zero Centering
Features: Holes for Stitching, Slit Area for Parallel Lines

Key Features

Transparent plastic with 16ths to the inch & zero-centering

Metric scale in millimeters

Numbered in centimeters

Specifications

Length

18-Inch

Material

Transparent Plastic

Imperial Scale

16ths to the inch, zero-centering

Metric Scale

Millimeters, numbered in centimeters

Frequently Asked Questions

What is the length of this Westcott ruler?

This Westcott ruler is 18 inches long, providing a useful length for various drafting and measuring tasks.

Does the ruler have both imperial and metric measurements?

Yes, it features 16ths to the inch and zero-centering on the imperial scale, as well as a metric scale in millimeters, numbered in centimeters.

What material is the ruler made from?

The ruler is constructed from transparent plastic, which allows for clear visibility of the surface beneath.

What does "zero-centering" mean for this ruler?

Zero-centering means the ruler has a zero point in the middle, with measurements extending equally in both directions from that central point, useful for symmetrical drawing.

Is this ruler suitable for professional or student use?

While specific use is not detailed, its transparent plastic, dual measurement scales, and zero-centering feature make it suitable for both student and general-purpose use.

Strengths & Trade-offs

👍 Pros

Features transparent plastic construction, allowing for clear visibility of the surface being measured or drawn on.
Includes markings in 16ths to the inch, providing precise measurements for detailed work.
Offers a zero-centering scale, which is beneficial for symmetrical layouts and finding the midpoint quickly.
Equipped with a metric scale in millimeters, catering to international standards and diverse project requirements.
Clearly numbered in centimeters, facilitating easy reading and conversion between measurement systems.

👎 Cons

Being made of plastic, the ruler may be more susceptible to scratches or damage compared to metal or more durable materials.
An 18-inch length, while versatile, might be too long for very small-scale work or too short for large-format projects.
The transparent material, while useful for visibility, could potentially make the markings harder to see on certain dark surfaces.
Does not specify any non-slip features, which could lead to accidental shifts during drawing or cutting tasks.
The ruler is a basic measurement tool and does not offer specialized features like protractors or stencils.