Rulers & Straightedges

Shop rulers and straightedges for drafting, graphic arts, design layouts, technical drawing, measuring, cutting, and studio applications. This category includes metal rulers, plastic rulers, graphic arts rulers, center finding rulers, protractor rulers, rolling rulers, parallel rulers, and cutting straightedges designed for accurate measurement, alignment, layout control, and precision line work.


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  • 6" Protractor Ruler - 20 & 40 Parts to Inch 6" Protractor Ruler - 20 & 40 Parts to Inch

    6" Protractor Ruler - 20 & 40 Parts to Inch

    Westcott
    $3.60

    (1)

    Combination protractor/scale/ruler for fast preliminary layouts.  Graduations designed for civil engineers, surveyors, and general use. Features: 180 degree protractor with 20ths and 40ths to the inch scalesTransparent plasticLaminated...
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    $3.60
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  • 14" Professional Parallel Glider 14" Professional Parallel Glider

    14" Professional Parallel Glider

    Alvin Drafting
    $35.60

    (9)

    An easy-to-use instrument that combines the functions of a parallel straightedge triangle protractor T-square and compass in one. One of the most useful and convenient aids for drafting drawing and nautical applications. Smooth gliding action to easily...
    Qty in Cart: 0
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    $35.60
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  • 10" Professional Parallel Glider 10" Professional Parallel Glider

    10" Professional Parallel Glider

    Alvin Drafting
    $31.30

    (14)

    An easy-to-use instrument that combines the functions of a parallel straightedge, triangle, protractor, T-square, and compass in one. One of the most useful and convenient aids for drafting, drawing, and nautical applications. Smooth gliding action to...
    Qty in Cart: 0
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    $31.30
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  • 6" Inch/Metric Pocket Rule

    6" Inch/Metric Pocket Rule

    Alvin Drafting
    $4.30
    6" Stainless Steel Inch/Metric Pocket RuleFeatures: Stainless Steel Etched Graduations Graduated in mm to 15cm and inches to 32nds Pocket clip doubles as depth gauge Fraction/decimal equivalent chart on back of scale
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    $4.30
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  • 6" Protractor Ruler - 10 & 50 Parts to Inch

    6" Protractor Ruler - 10 & 50 Parts to Inch

    Westcott
    $4.00

    (2)

    Thin plastic combination protractor/scale/ruler for fast preliminary layouts. Features:Graduations designed for civil engineers, surveyors, and general use.180 degree protractor6" rulerInch in 10ths/50ths
    Qty in Cart: 0
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    $4.00
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  • Folding Parallel Rulers Folding Parallel Rulers

    Folding Parallel Rulers

    Alvin Drafting
    $13.00 - $14.20

    (4)

    This folding parallel rule features transparent blades for easy reading with non-skid pads and sturdy aluminum links provide the right amount of tension for drawing a line parallel to another line or reference point.Features: Transparent for easy...
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    $13.00 - $14.20
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  • Parallel Glider Rubber O-Ring Replacement Pack

    Parallel Glider Rubber O-Ring Replacement Pack

    Alvin Drafting
    $5.25
    Ensure your parallel glider remains in optimal condition with the Parallel Glider Rubber O-Ring Replacement Pack. Specifically designed for compatibility with models 295, 295M, and 296, this pack includes 10 rubber O-rings. Keep your drafting equipment...
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    $5.25
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  • Stainless Steel Cutting Straightedge Stainless Steel Cutting Straightedge

    Stainless Steel Cutting Straightedge

    Alvin Drafting
    $73.45 - $175.45

    (2)

    This stainless steel cutting rule is perfect for all kinds of cutting requirements.Features: Available in multiple lengths: 24", 36", 48" & 60" Constructed of 2" wide spring-tempered stainless steel Beveled edge Convenient hanging...
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    $73.45 - $175.45
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  • 12" Magnifying Ruler 12" Magnifying Ruler

    12" Magnifying Ruler

    Alumicolor
    $10.25
    This 12" ruler, crafted from rigid, high-quality plastic, serves as a sturdy measuring tool with inch and centimeter calibrations. Made in the USA, it features 2x magnification for excellent viewing of small type and includes a raised curve for...
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    $10.25
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  • 12" Pica/Point Ruler 12" Pica/Point Ruler

    12" Pica/Point Ruler

    Alumicolor
    $5.95
    Ideal for printing and layout professionals, this ruler is calibrated with inches and picas on one side and centimeters and points on the other. Alumicolor's photo anodizing process make the calibrations a part of the aluminum, providing a smooth finish...
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    $5.95
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  • 12" Protractor Ruler 12" Protractor Ruler

    12" Protractor Ruler

    Art Alternatives
    $4.30
    Ideal for drafting, design, mathematics and fine art projects, this 12" light-weight, ruler features a 180º protractor for precise angles, scales in both inch and centimeter calibrations and 1/8" and 1/4" architectural scales. The ruler divided into...
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    $4.30
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  • 12" Rolling Parallel Ruler 12" Rolling Parallel Ruler

    12" Rolling Parallel Ruler

    Alvin Drafting
    $9.80

    (2)

    A multi-purpose drawing tool made from high impact plastic for students artists and designers. Graduated in both English and metric. Includes many useful formulas and conversion factors. Draw horizontal and vertical parallel lines with ease. Draw circles...
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    $9.80
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  • 12" Rolling Ruler 12" Rolling Ruler

    12" Rolling Ruler

    Westcott
    $12.60

    (2)

    This 12" rolling ruler makes it easy to draw horizontal parallel lines - simply draw a line along the straight edge and roll the ruler downward to desired space to repeat drawing line. Use the rolling the ruler to create circles by rolling it in an arc;...
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    $12.60
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  • 18" Clear Graphic Arts Ruler

    18" Clear Graphic Arts Ruler

    Alvin Drafting
    $7.70
    18" in length by 2" width. This graphic arts ruler is graduated in inches at both top and bottom and has a centering graduation in the middle.3mm thick clear plastic.
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    $7.70
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  • 18" Graphic Arts Pica Ruler 18" Graphic Arts Pica Ruler

    18" Graphic Arts Pica Ruler

    Westcott
    $6.10
    18" Westcott Transparent Pica Ruler – Zero-Centering, Column Spacing, and 16ths-Inch Graduations The 18" Transparent Pica Ruler by Westcott is a must-have tool for graphic designers, drafters, and layout professionals. Made from clear, durable plastic,...
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    $6.10
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  • 18" Stainless Steel Graphic Arts Ruler 18" Stainless Steel Graphic Arts Ruler

    18" Stainless Steel Graphic Arts Ruler

    Pacific Arc
    $10.45
    These versatile rulers are the perfect companion for professionals and hobbyists alike, featuring precise graduations in inches, agate, pica, and points for unmatched accuracy. Crafted from solid stainless steel, they ensure long-lasting durability and...
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    $10.45
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  • 25cm Metric Professional Parallel Glider 25cm Metric Professional Parallel Glider

    25cm Metric Professional Parallel Glider

    Alvin Drafting
    $32.30

    (4)

    An easy-to-use instrument that combines the functions of a parallel straightedge triangle protractor T-square and compass in one. One of the most useful and convenient aids for drafting drawing and nautical applications. Smooth gliding action to easily...
    Qty in Cart: 0
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    $32.30
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  • 6" Pocket Rule

    6" Pocket Rule

    Alvin Drafting
    $4.30
    6" Stainless Steel English Pocket RuleFeatures: Stainless Steel Etched Graduations Graduated in 16ths, 32nds, and 64ths Pocket clip doubles as depth gauge Fraction/decimal equivilent chart on back of scale
    Qty in Cart: 0
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    $4.30
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  • 6" Protractor Ruler

    6" Protractor Ruler

    Westcott
    $2.10
    This transparent 180 protractor ruler has scales in both 1/16" and centimeter calibrations. The SW-51 also has 45 and 60 triangle cut-outs plus a French curve symbol. Features: Transparent 180* protractor ruler45* and 60* triangle cut outs plus French...
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    $2.10
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Types of Rulers & Straightedges

Rulers and straightedges are precision measuring and layout tools used for drafting, graphic arts, technical drawing, trimming, production work, and general studio applications. This category includes metal rulers, plastic rulers, graphic arts rulers, center finding rulers, protractor rulers, rolling rulers, parallel rulers, and cutting straightedges used by architects, engineers, designers, artists, printers, students, and drafting professionals.

  • Metal Rulers: Provide durable straightedges and dependable measurement accuracy for drafting, layout, trimming, and workshop applications
  • Plastic Rulers: Offer lightweight measuring and layout control for classrooms, studios, offices, and drawing environments
  • Graphic Arts Rulers: Support layout design, print production, typography, paste-up work, and graphic measurement applications
  • Center Finding Rulers: Help locate exact center points for drafting, machining, woodworking, and layout work
  • Protractor Rulers: Combine straightedge measurement with angle layout and geometry applications
  • Rolling Rulers: Allow fast parallel line creation and controlled layout positioning for drafting and design workflows
  • Parallel Rulers: Support accurate parallel line work and alignment during technical drawing and layout applications
  • Cutting Straightedges: Provide stable cutting guides for trimming, drafting, production, and studio work

Precision Layout & Measurement Tools

Rulers and straightedges are fundamental tools used to maintain accurate measurements, clean layouts, and precise alignment across drafting, graphic arts, design, and production workflows. Professional measuring tools help improve line consistency, layout control, and cutting accuracy during technical drawing and studio applications.

Beyond traditional drafting, rulers and straightedges are widely used in graphic design, print production, signage, model making, trimming applications, classroom instruction, and creative studio environments. Specialized tools such as rolling rulers, center finding rulers, and graphic arts rulers help streamline layout tasks that require repeatable accuracy and visual consistency.

Understanding Graphic Arts & Layout Rulers

Graphic arts rulers are designed for print layout, typography, scaling, paste-up work, and production measurement applications. Many graphic arts rulers include pica, point, inch, and metric graduations that help designers and production artists maintain accurate spacing and layout control during creative workflows.

Rolling rulers and parallel rulers are especially useful for creating repeated parallel lines and maintaining alignment during layout and drafting work. These tools remain popular because they improve efficiency while helping users maintain consistent spacing and positioning throughout complex layouts.

Choosing the Right Ruler or Straightedge

When selecting rulers and straightedges, consider the material, graduation type, transparency, edge stability, and intended application. Metal rulers and cutting straightedges provide excellent durability for trimming and workshop use, while transparent rulers improve visibility when measuring directly over drawings and layouts.

Graphic arts rulers and specialty layout rulers support production-oriented workflows, while rolling rulers and parallel rulers improve speed and consistency during repetitive layout work. Choosing the proper measuring tool can improve accuracy, workflow efficiency, and long-term usability in drafting, design, and studio environments.

Complete Your Drafting & Layout Workspace

Pair rulers and straightedges with drafting pencils, cutting tools, technical pens, templates, and drafting paper for accurate layouts, technical drawings, trimming work, and professional design applications.

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