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12 Inch RulersArchitectural Scale RulersBulk School SuppliesChalkboard ErasersCollege School SuppliesCompasses & ProtractorsDry ErasersElementary School SuppliesFiskarsFlexible RulersHigh School SuppliesInches RulersMarkersMeasurement RulersMiddle School SuppliesMM & CM Metric RulersRulersRulers, Compasses & ProtractorsSchool Arts and CraftsShop All School SuppliesShop School Supplies by ColorTeachers Supplies in BulkTeaching AidsWestcott
Measuring Triangle(378)
Uses item details. Price when purchased online
Best seller UPITOR Architectural Triangular Scale Ruler - Includes 12 inch Aluminum Architect Scale and Triangular Ruler - Suitable for Architects, Draftsmen, and Engineers Black From $8.99
Sponsored
From$899
UPITOR Architectural Triangular Scale Ruler - Includes 12 inch Aluminum Architect Scale and Triangular Ruler - Suitable for Architects, Draftsmen, and Engineers Black
454.9 out of 5 Stars. 45 reviews
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Pro Art Clear Acrylic Drafting Triangle 8 Inch 30/60 Degree with Finger Lift $11.47
Sponsored
$1147
current price $11.47Pro Art Clear Acrylic Drafting Triangle 8 Inch 30/60 Degree with Finger Lift
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4 Pack Multifunctional Geometric Ruler, Mathematics Measuring Tool Draft Rulers Set, Rotatable Circular Drawing Template Ruler for Student Studying Designing Office Supplies $14.79
Sponsored
$1479
current price $14.794 Pack Multifunctional Geometric Ruler, Mathematics Measuring Tool Draft Rulers Set, Rotatable Circular Drawing Template Ruler for Student Studying Designing Office Supplies
15 out of 5 Stars. 1 reviews
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Mr. Pen Triangle Ruler and Square Set, 3 Pack Geometry Rulers, Clear Plastic
Mr. Pen Triangle Ruler and Square Set, 3 Pack Geometry Rulers, Clear Plastic
154.5 out of 5 Stars. 15 reviews
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Pacific Arc Drafting Triangle, 4-inch, 30/60/90 Degrees, Clear Acrylic From $7.50
From$750
Pacific Arc Drafting Triangle, 4-inch, 30/60/90 Degrees, Clear Acrylic
44 out of 5 Stars. 4 reviews
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Clearance QuanTara Transparent Triangle Ruler, 5.91inch Plastic Ruler, Clear Geometry Drafting Tool for Math, Engineering, Drawing, with CM/MM Markings Was $6.67
QuanTara Transparent Triangle Ruler, 5.91inch Plastic Ruler, Clear Geometry Drafting Tool for Math, Engineering, Drawing, with CM/MM Markings
Mr. Pen- 3 Pc Large Triangular Ruler Set, Triangular Scale, 11 Inch 30/60 and 8 Inch 45/90 Triangles $11.85
$1185
current price $11.85Mr. Pen- 3 Pc Large Triangular Ruler Set, Triangular Scale, 11 Inch 30/60 and 8 Inch 45/90 Triangles
334.5 out of 5 Stars. 33 reviews
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Best seller UPITOR Architectural Triangular Scale Ruler - Includes 12 inch Aluminum Architect Scale and Triangular Ruler - Suitable for Architects, Draftsmen, and Engineers Black From $8.99
From$899
UPITOR Architectural Triangular Scale Ruler - Includes 12 inch Aluminum Architect Scale and Triangular Ruler - Suitable for Architects, Draftsmen, and Engineers Black
454.9 out of 5 Stars. 45 reviews
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Mr. Pen Aluminium Triangle Ruler, 6 in, Green And Orange, 2 pack $7.99
$799
current price $7.99Mr. Pen Aluminium Triangle Ruler, 6 in, Green And Orange, 2 pack
14 out of 5 Stars. 1 reviews
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Pacific Arc Scholastic Triangle Set $7.30
Sponsored
$730
current price $7.30Pacific Arc Scholastic Triangle Set
Pacific Arc Drafting Triangle, 4-inch, 30/60/90 Degrees, Clear Acrylic From $7.50
Sponsored
From$750
Pacific Arc Drafting Triangle, 4-inch, 30/60/90 Degrees, Clear Acrylic
44 out of 5 Stars. 4 reviews
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CCOCC 2026 New Transparent Acrylic 60 Degree Triangle Scale Ruler for Precise Sewing,Quilting&Crafting Projects with Clear Lines and Storage $8.18
$818
current price $8.18CCOCC 2026 New Transparent Acrylic 60 Degree Triangle Scale Ruler for Precise Sewing,Quilting&Crafting Projects with Clear Lines and Storage
PRINTTOO Geometric Shapes Drafting Template Ruler for Circle Triangle Square Rectangle Hexagon Oval Diamond and Arrow Drawing Stencil Measuring Tool for Geometry Design School Office Engineering From $11.99
16 options
Available in additional 16 optionsFrom$1199
PRINTTOO Geometric Shapes Drafting Template Ruler for Circle Triangle Square Rectangle Hexagon Oval Diamond and Arrow Drawing Stencil Measuring Tool for Geometry Design School Office Engineering
Measuring Ruler Drawing Triangle Rule Geometry Ruler Measure Ruler Measurement Tool $5.95
$595
current price $5.95Measuring Ruler Drawing Triangle Rule Geometry Ruler Measure Ruler Measurement Tool
YAHHU Chart Drawing Triangle Ruler Precise Scale Transparent 300mm Acrylic Easy to Use for Nautical Navigation $16.28
$1628
current price $16.28YAHHU Chart Drawing Triangle Ruler Precise Scale Transparent 300mm Acrylic Easy to Use for Nautical Navigation
20cm Clear Acrylic Triangle Rulers Accurate Measuring Tool Easy to Use Perfect for Students Architects & Artists
20cm Clear Acrylic Triangle Rulers Accurate Measuring Tool Easy to Use Perfect for Students Architects & Artists
HONITANO 4-Pack Multifunctional Triangle Rulers 45 90 for Engineering, Drafting, and Precision Measuring Tools $44.91
$4491
current price $44.91HONITANO 4-Pack Multifunctional Triangle Rulers 45 90 for Engineering, Drafting, and Precision Measuring Tools
20cm Clear Acrylic Triangle Rulers Accurate Measuring Tool Easy to Use Perfect for Students Architects & Artists
20cm Clear Acrylic Triangle Rulers Accurate Measuring Tool Easy to Use Perfect for Students Architects & Artists
Reduced price CarpNettore 45/90 Degree Layout Triangle Ruler Right Triangular DIY Portable Measuring Ruler Red Was $16.46
CarpNettore 45/90 Degree Layout Triangle Ruler Right Triangular DIY Portable Measuring Ruler Red
Creative Grids Multi Size 6" Flying Geese & 45 Degree & 90 Degree Triangle $36.99
Sponsored
$3699
current price $36.99Creative Grids Multi Size 6" Flying Geese & 45 Degree & 90 Degree Triangle
15 out of 5 Stars. 1 reviews
Pacific Arc Plastic Triangle Ruler with Acid Etched Markings - 15cm (6 in) From $7.40
4 options
Available in additional 4 optionsFrom$740
Pacific Arc Plastic Triangle Ruler with Acid Etched Markings - 15cm (6 in)
25 out of 5 Stars. 2 reviews
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Geemin Acrylic Triangle Rulers 20cm Clear & Accurate Measuring Tool for Stationery Use From $9.26
From$926
Geemin Acrylic Triangle Rulers 20cm Clear & Accurate Measuring Tool for Stationery Use
Pro Art Clear Acrylic Drafting Triangle 8 Inch 30/60 Degree with Finger Lift $11.47
$1147
current price $11.47Pro Art Clear Acrylic Drafting Triangle 8 Inch 30/60 Degree with Finger Lift
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Pedty 1X Triangle Ruler,Clear Plastic Straight Ruler Plastic Measuring Tool for Student Office Office Was $4.89
Pedty 1X Triangle Ruler,Clear Plastic Straight Ruler Plastic Measuring Tool for Student Office Office
RUseeN 12” Architectural Scale Ruler, Imperial Aluminum Alloy Metal Architecture Measuring Tools, Engineering Drafting Construction Drawing Blueprints Triangular Architect Scaling Rulers (Blue)
RUseeN 12” Architectural Scale Ruler, Imperial Aluminum Alloy Metal Architecture Measuring Tools, Engineering Drafting Construction Drawing Blueprints Triangular Architect Scaling Rulers (Blue)
Reduced price Chart Drawing Triangle Ruler Triangle Angle Protractor Distance Measurement Large Scale Math Geometry Tool Measuring Ruler for Ship Drawing Right Angle Ruler From $12.99
From$1299
Chart Drawing Triangle Ruler Triangle Angle Protractor Distance Measurement Large Scale Math Geometry Tool Measuring Ruler for Ship Drawing Right Angle Ruler
Clearance Fdelink 3 Inch Aluminum Triangle Ruler,Thick Drafting Tool,45/90 Triangle Ruler Aluminum Alloy Frosted Right Angle Gauge Woodworking Drafting Triangles Protractor Measuring Tool,Green Measuring Ruler Was $8.08
Fdelink 3 Inch Aluminum Triangle Ruler,Thick Drafting Tool,45/90 Triangle Ruler Aluminum Alloy Frosted Right Angle Gauge Woodworking Drafting Triangles Protractor Measuring Tool,Green Measuring Ruler
Clearance Sale!45/90 Triangle Ruler Aluminum Alloy Frosted Right Angle Gauge Woodworking Drafting Triangles Protractor Measuring Tool,Red Manual Equipment From $10.12
From$1012
Clearance Sale!45/90 Triangle Ruler Aluminum Alloy Frosted Right Angle Gauge Woodworking Drafting Triangles Protractor Measuring Tool,Red Manual Equipment
7 inch Square, Carpenter Square Triangle Ruler, Combination Square Angle Ruler with 2 Pencils, Aluminum Metal Rafter Framing Square for construction Woodworking Measuring Tools From $13.99
3 options
Available in additional 3 optionsFrom$1399
7 inch Square, Carpenter Square Triangle Ruler, Combination Square Angle Ruler with 2 Pencils, Aluminum Metal Rafter Framing Square for construction Woodworking Measuring Tools
223.9 out of 5 Stars. 22 reviews
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Clearance Aluminum Alloy Woodworking Triangle Ruler, Right Angle Marking 45° Positioner With Metric & Imperial Units, For Carpenters Woodworkers Diy Enthusiasts - Includes 2 Mini Measuring Was $12.29
Aluminum Alloy Woodworking Triangle Ruler, Right Angle Marking 45° Positioner With Metric & Imperial Units, For Carpenters Woodworkers Diy Enthusiasts - Includes 2 Mini Measuring
Pacific Arc Drafting Triangle, 8-inch, 45/90 Degrees, Topaz $12.32
$1232
current price $12.32Pacific Arc Drafting Triangle, 8-inch, 45/90 Degrees, Topaz
15 out of 5 Stars. 1 reviews
22.5°-90° Miter Square Ruler Professional Heavy Duty Metalworking Miter Square, Protractor High Precision Miter Triangle Ruler for Square Tubing, Round Pipes, Angle Iron, Flat Steel From $12.99
From$1299
22.5°-90° Miter Square Ruler Professional Heavy Duty Metalworking Miter Square, Protractor High Precision Miter Triangle Ruler for Square Tubing, Round Pipes, Angle Iron, Flat Steel
Horivan Clear Plastic Triangle Ruler 15cm and 20cm, Transparent Measuring Tool for Office Home Drawing Drafting Design Projects
Horivan Clear Plastic Triangle Ruler 15cm and 20cm, Transparent Measuring Tool for Office Home Drawing Drafting Design Projects
FVDPWYE 2 Pieces Triangle Ruler Square Measuring Ruler Protractor Triangle Multipurpose $17.99
$1799
current price $17.99FVDPWYE 2 Pieces Triangle Ruler Square Measuring Ruler Protractor Triangle Multipurpose
Clearance CEORPER 22.5/30/45/67.5 Degree Triangle Measuring Tool Measuring Ruler $19.33 Was $21.60
Now$1933
current price Now $19.33, Was $21.60$21.60
CEORPER 22.5/30/45/67.5 Degree Triangle Measuring Tool Measuring Ruler
Set of 2 Carpentry Protractor Rulers Triangle Measuring Tools for Woodworking and Construction $22.37
$2237
current price $22.37Set of 2 Carpentry Protractor Rulers Triangle Measuring Tools for Woodworking and Construction
Architectural Imperial Scale Ruler 30cm Aluminum Triangle Drafting Ruler, Etched Markings for Architects & Engineers $8.02
$802
current price $8.02Architectural Imperial Scale Ruler 30cm Aluminum Triangle Drafting Ruler, Etched Markings for Architects & Engineers
RUNROTOO Acrylic Quilting Ruler 1Pcs for Sewing Tools Quilters White Equilateral Triangle Measuring and Pattern Making $9.81 Was $11.58
Now$981
current price Now $9.81, Was $11.58$11.58
RUNROTOO Acrylic Quilting Ruler 1Pcs for Sewing Tools Quilters White Equilateral Triangle Measuring and Pattern Making
JZROCKER Triangles Square Ruler Metal Stainless Steel Quick Measuring Marking Tool Right Angled 45/90 Degrees Woodworking Tool From $6.99
3 options
Available in additional 3 optionsFrom$699
JZROCKER Triangles Square Ruler Metal Stainless Steel Quick Measuring Marking Tool Right Angled 45/90 Degrees Woodworking Tool
Transparent Plastic Triangular Clear Geometry Measuring Tool Centimeter Millimeter Scale Durable Drafting Triangle for Drawing Ruler From $4.90
From$490
Transparent Plastic Triangular Clear Geometry Measuring Tool Centimeter Millimeter Scale Durable Drafting Triangle for Drawing Ruler
CEORPER Triangle Ruler Measuring Tool Woodworking Measuring Ruler $23.08
$2308
current price $23.08CEORPER Triangle Ruler Measuring Tool Woodworking Measuring Ruler
Unique Bargains Engineering Plastic Triangle Metric Scale Ruler 12.6" Long $10.44
$1044
current price $10.44Unique Bargains Engineering Plastic Triangle Metric Scale Ruler 12.6" Long
FVDPWYE Chart Drawing Triangle Ruler Distance Measurement Measuring Layout Tool for Ship Isosceles Ruler $17.99 Was $19.99
Now$1799
current price Now $17.99, Was $19.99$19.99
FVDPWYE Chart Drawing Triangle Ruler Distance Measurement Measuring Layout Tool for Ship Isosceles Ruler
Uxcell 2piece Triangle Ruler Square Set 22cm 30/60 and 45/90 Degrees Measuring Tools, Transparent From $9.49
2 options
Available in additional 2 optionsFrom$949
Uxcell 2piece Triangle Ruler Square Set 22cm 30/60 and 45/90 Degrees Measuring Tools, Transparent
Westcott Gridded Triangle - 14", 30-60 Degree $42.96
$4296
current price $42.96Westcott Gridded Triangle - 14", 30-60 Degree
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