Westcott

Westcott GO-180 7-Inch Goniometer Quick Angle Protractor

4.4 (274 reviews)
7 Inch

Achieve Precise Angles with the Westcott GoniometerThe Westcott 7-Inch Goniometer is your go-to measuring tool for accurately determining angles. Designed for artists, designers, and students, its translucent design and rotating legs make measuring angles quick and easy. Type: Quick Angle Protra...

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Achieve Precise Angles with the Westcott Goniometer

The Westcott 7-Inch Goniometer is your go-to measuring tool for accurately determining angles. Designed for artists, designers, and students, its translucent design and rotating legs make measuring angles quick and easy.

  • Type: Quick Angle Protractor
  • Length: 7 Inches
  • Material: Plastic
  • Scale: Inch and metric scales
  • Arms: Rotatable, extend up to 12 Inches

Key Features

CLEAR PROTRACTOR RULER: 7 Inch goniometer quick angle protractor includ inch and metric scal; Making it ideal for your drawing and drafting needs

ACCURATE MEASUREMENT: Protractor legs rotate around the scale, and 7 Inch arms which opens up to 12 Inches helps record angles precisely and quickly

EASY TO READ: Angle protractor made of translucent plastic which allows viewing through to the page while you work

MULTI PURPOSE: This measuring tool is ideal for artists, designers, architects, engineers, and students

Specifications

Type
Goniometer Quick Angle Protractor
Ruler Length
7 Inches
Scales Included
Inch and Metric
Arm Length
7 Inches (opens up to 12 Inches)
Material
Translucent Plastic

Pros & Cons

👍 Pros

  • The 7-inch quick angle protractor includes both inch and metric scales for versatile use in various projects.
  • Protractor legs rotate smoothly around the scale, allowing for precise and quick angle recording.
  • The translucent plastic construction enables clear viewing of the page beneath the tool for accurate placement.
  • The 7-inch arms extend up to 12 inches, facilitating measurements of larger angles or greater distances.
  • This goniometer is a multi-purpose tool, suitable for artists, designers, architects, engineers, and students.

👎 Cons

  • The translucent plastic material, while helpful for visibility, may be prone to scratching with frequent use in a demanding environment.
  • The 7-inch arm length extending to 12 inches might not be sufficient for very large-scale architectural or engineering drawings.
  • Precision depends on the user's ability to align the rotating legs accurately, which could introduce minor human error.
  • The design focuses on angle measurement and might lack additional features found on more specialized drafting tools.
  • Without a protective case, the rotating parts and clear plastic could be vulnerable to damage during transport or storage.

Frequently Asked Questions

This goniometer is designed for measuring and recording angles precisely, with legs that rotate around a clear scale and arms that extend to 12 inches.
Yes, the 7-inch protractor ruler includes both inch and metric scales, making it adaptable for different measurement systems.
The angle protractor is made of translucent plastic, which allows users to see through to the page underneath, assisting with accurate placement and drawing.
While the exact maximum angle is not specified, the 7-inch arms open up to 12 inches, which helps in recording angles precisely and quickly across a broader range.
The Westcott GO-180 is described as ideal for artists, designers, architects, engineers, and students, indicating its suitability for various professional and educational drawing and drafting needs.