Shop metric drafting scales for technical drawing, engineering, architecture, STEM education, and international drafting applications. These precision scale rulers are designed for creating and interpreting scaled drawings using standardized metric measurements.
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30cm Metric Engineer Color-Coded Scale
Alumicolor$13.80The 12" color-coded Metric Engineer solid triangular scale, crafted from premium extruded aluminum, features exceptionally smooth edges. Each side is distinguished by a unique color-coded groove, facilitating easy identification of your calibrations... -
30cm Metric Engineering Scale 02
Pacific Arc$9.30The Professional Premium Plastic Metric Triangular Scales, crafted in Japan, provide precise graduations on premium white color-coded plastic for accurate performance. With a high-quality plastic core, these scales ensure durability and strength,... -
15cm Aluminum Metric Architect Pocket Scale
Alumicolor$5.45The Alumicolor Metric Architect pocket scale, compact and lightweight like a pen, offers portability and convenience for both students and professionals alike. Crafted from high-quality extruded aluminum, it ensures durability and precision in... -
15cm Four-Bevel Metric Scale
Pacific Arc$7.00The Pacific Arc 4-Bevel Flat Scales features finely etched graduations.Metric Graduations 1:1, 100, 20, 200, 5, 500, 1250, 2500 Features: Etched graduations on each beveled edgeConstructed from high impact plastic designed for longevity.Markings won't... -
15cm Metric Select-A-Scale
Alumicolor$11.85Alumicolor Metric Select-a-Scale are an ultra convenient and functional drafting tool that allows engineers to select multiple scales all in one product. The unique design incorporates a sculptured arch on the bottom for ease of movement. A rotating rod... -
30cm Aluminum Metric Architect Triangular Scale
Alumicolor$13.00Alumicolor Triangular Drafting Scales are made of extruded aluminum. Alumicolor's photo anodizing process makes the calibrations a part of the aluminum, providing a smooth, tick-free finish and markings which are resistant to cleaners and solvents... -
30cm Aluminum Metric Architect Triangular Scale-1764149815
Alvin & Co.$16.10High-quality anodized aluminum scales have a large profile, solid core, and tapered edges. Printed black graduations. Supplied in a hard plastic case.30cm metric scale with the following graduations: 1:500, 1:1000, 1:1250, 1:1500, 1:2000, 1:2500. -
30cm Aluminum Metric Architectural Scale
Alumicolor$9.15Alumicolor triangular Hollow Drafting Scales are made of extruded aluminum. The Alumicolor photo anodizing process makes the calibrations a part of the aluminum, providing a smooth, tick-free finish and markings that are resistant to cleaners and... -
30cm Color Coded Professional Metric Scale 05
Pacific Arc$9.30The Professional Premium Plastic Metric Triangular Scales, crafted in Japan, provide precise graduations on premium white color-coded plastic for accurate performance. With a high-quality plastic core, these scales ensure durability and strength,... -
30cm Color-Coded Metric Architect Scale
Alumicolor$13.80Color Coded Drafting Scales are solid aluminum with a different color coded groove on each side (red, green, blue), easily identifying your calibrations. Calibrations are imprinted with Alumicolor's anodizing process. The anodizing process makes all... -
30cm Color-Coded Professional Metric Scale 06
Pacific Arc$9.30The Professional Premium Plastic Metric Triangular Scales, crafted in Japan, provide precise graduations on premium white color-coded plastic for accurate performance. With a high-quality plastic core, these scales ensure durability and strength,... -
30cm Four-Bevel Metric Architect Scale
Pacific Arc$9.30The 30cm (12") beveled metric scale is a high-precision tool designed for durability and accuracy. Featuring etched graduations on both edges, it provides reliable measurements that won’t fade or wear over time. Made from high-impact plastic, this sturdy... -
30cm Metric Architect Scale
Pacific Arc$5.90Scholastic Metric Triangular Scale - Color-Coded Scholastic triangular scale are color coded for easy use. Metric Graduations1:100, 200, 250, 300, 400, 500Features: 12" Scholastic Metric ScaleHigh quality - Hard PlasticColor-Coded Grooves - for quick... -
30cm Metric Architect Scale 06
Pacific Arc$5.90The Professional Premium Plastic Triangular Metric Scales, made in Japan, offer precise etched graduations and enduring strength. With their slender core design and high-quality plastic construction, these scales ensure accuracy and durability for... -
30cm Metric Drafting Scale
Alvin Drafting$10.60Alvin Drafting offers professional-quality metric drafting scales crafted from durable high-impact plastic. Featuring non-reflective matte faces in white and tapered edges, these scales ensure clarity and precision. The machine-engraved graduations... -
30cm Metric Select-A-Scale
Alumicolor$15.70Alumicolor Metric Select-a-Scale are an ultra convenient and functional drafting tool that allows engineers to select multiple scales all in one product. The unique design incorporates a sculptured arch on the bottom for ease of movement. A rotating rod... -
30cm Professional Metric Scale 01
Pacific Arc$5.90The Professional Premium Plastic Triangular Metric Scales, made in Japan, offer precise etched graduations and enduring strength. With their slender core design and high-quality plastic construction, these scales ensure accuracy and durability for... -
30cm Scholastic Metric Architect Scale
Alvin Drafting$5.50Our top-selling series of 30cm triangular metric scales comes highly recommended for scholastic and vocational use, combining budget-friendly pricing with exceptional quality. Crafted from durable high-impact plastic, featuring a smooth satin finish and... -
30cm Scholastic Metric Scale
Alvin Drafting$5.50These 12" triangular metric architect scales are ideal for school and vocational use, blending affordability with durability. Crafted from high-impact plastic with tapered edges and sharp, easy-to-read graduations, they ensure comfort and precision... -
30cm Solid Aluminum Metric Triangular Scale
Fairgate$12.70Rugged, professional-quality scales are made from anodized aluminum with a solid core. Features: Scales: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125. Printed black graduations on non-glare finish Color-coded furrows. Shrink-wrapped.
Types of Metric Drafting Scales
Metric drafting scales are specialized measuring tools designed for scaled technical drawings that use international metric measurement systems. This category includes triangular metric scales, engineering metric scales, pocket metric scales, and professional drafting rulers used by engineers, designers, architects, students, and drafting professionals.
Metric drafting scales are available in aluminum, stainless steel, and durable plastic materials for classroom, office, and professional drafting environments.
- Triangular Metric Scales: Combine multiple metric graduations into one compact three-sided drafting ruler
- Metric Drafting Rulers: Support scaled technical drawings, layouts, and blueprint reading using standardized measurements
- Engineering Metric Scales: Provide metric graduations commonly used in engineering, infrastructure, and technical drawing applications
- Pocket Metric Scales: Offer portable scaled measurement tools for classrooms, field work, and mobile drafting tasks
- Scholastic Metric Scales: Feature easy-to-read graduations for STEM programs, students, and introductory drafting courses
- Professional Drafting Scales: Use durable materials and precision graduations for repeated technical drawing applications
Understanding Metric Drafting Scales
Metric drafting scales are used to convert real-world dimensions into scaled technical drawings using metric measurement systems. These scales are commonly used in engineering, architecture, manufacturing, industrial design, and technical drawing environments where standardized measurements are required.
Triangular metric scales remain popular because they organize multiple scale graduations into one compact drafting tool, allowing users to quickly switch between scale ratios during layout and technical drawing work.
Metric Scales in Engineering & Technical Drawing
Metric drafting scales are commonly used in engineering offices, manufacturing environments, technical schools, and international design workflows where standardized metric measurements are required.
These drafting rulers help maintain accurate proportional measurements across technical plans, scaled layouts, and engineering drawings while supporting consistency across international specifications and technical documentation.
Choosing the Right Metric Scale Ruler
When selecting a metric drafting scale, consider the scale graduations, ruler format, material, portability, and intended application. Triangular metric scales provide multiple scale ratios in one compact design, while flat drafting rulers may offer improved readability for certain workflows.
Professional drafting scales are available in aluminum, plastic, and stainless steel materials with precision graduations designed for long-term technical drawing use. Pocket metric scales are especially useful for portable drafting, classroom instruction, and quick-reference measurement tasks.
Complete Your Drafting Workspace
Pair metric drafting scales with drafting pencils, drafting triangles, technical pens, templates, and drafting paper for accurate layouts, scaled drawings, and professional technical drafting applications.
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