Metric Sticks | McMaster-Carr

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247 Products

About High-Quality Rulers

What separates a throwaway ruler from one you’ll keep for decades, which type is best for everyday use, and how to compare materials.

Rulers

Horizontal Rulers

Rulers

Your go-to rulers for everyday measuring—available with certificates traceable to NIST

71 products

Adhesive-Back Rulers

Permanently stick to surfaces for repeated, hands-free measuring

75 products

High-Accuracy Rulers

Our most accurate rulers, with tolerances tight enough for machining detailed parts

40 products

Magnetic High-Accuracy Rulers

Take machine-shop-accurate measurements while keeping your hands free

3 products

Easy-Read Rulers

Measure where it's too bright or too dark to read a standard metal ruler

13 products

Pocket Rulers

No bigger than a pen for measuring on the go

5 products

See-Through Rulers

Made of clear plastic, so you won't lose sight of what you're measuring

2 products

Center-Finding Rulers

Quickly locate the center of workpieces without any math

3 products

Pocket Center-Finding Rulers

Tuck into your pocket to find the center of workpieces on the go

1 product

Folding Rulers

Combine the rigidity of a ruler with the portability of a tape measure

1 product

Tape Rulers

Unwind from a roll and cut to the length you need, similar to masking tape

1 product

Vertical Rulers

Measure height and depth without reading sideways

11 products

Adhesive-Back Vertical Rulers

Stick to walls and tanks for repeated, hands-free height and depth measurements

8 products

Scale Rulers

Half-Measure Adhesive-Back Rulers

Take division out of the equation when building half-scale models and prototypes

4 products

Other Products

T-Slotted Framing Conveyor Mounts

Support conveyor rollers in T-slotted framing

3 products

Magnets

Attract or repel metal objects to hang, secure, or position them

2 products

Staff Gauges

Typically mounted to walls and tanks for measuring the level of liquids, such as water, fuel, and oil

4 products