1/2" Blade Width Diameter Tape Measures

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47 Products

Diameter-Measuring Tape Measures

Wrap around duct, pipe, and other cylindrical objects to find their diameter without complex calculations. These tape measures are ideal for already mounted objects since you don't need to take your system apart. Also known as tree tapes.

Standard Scale

Take math out of the equation completely. After wrapping the blade around an object, find the number that overlaps with zero—that's your diameter.

Manual Blade Return—Guide the blade back by hand or using the wheel on the side of the case.

Coated Steel Blade—A coating on the blade prevents the graduations from wearing or scratching off.

	Dia.					Blade
	Measured	Graduations	Lg.	Graduations	Numeric Graduations	Wd.	Material	Lock Type	Tip Style		Each
Manual Blade Return



		0" to 45", 0 cm to 116 cm	1/100", 1 mm	12 ft./3.5 m	1/16", 1 mm	1", 1 cm	1/2"	Coated Steel	Manual	Loop	0000000	000000

Vernier Scale with Calibration Certificate

Image of Product. Front orientation. Tape Measures. Diameter-Measuring Tape Measures, Vernier Scale.

Our most precise diameter-measuring tape measures. Wind the blade around your object until the top scale aligns with the bottom vernier scale, then add the values together to find your diameter. These tape measures include a calibration certificate traceable to NIST, so you can be confident your measurements are correct and consistent.

Stainless Steel Blade—The choice for outdoor and wet environments, these blades won't rust if rinsed or rained on.

Blue Blade—White markings pop against the blue background, so you can read these tape measures in dimly lit areas.

					Blue Blade		Silver Blade
Dia. Measured	Numeric Graduations	Measurement Precision	Wd.	Tip Style		Each		Each







			Steel Blade

			3/4" to 7"	1"	0.001"	1/2"	Knob	00000000	0000000	0000000	0000000


			2" to 12"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			2" to 24"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			12" to 24"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			12" to 36"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			24" to 36"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			24" to 48"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			36" to 48"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			48" to 60"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			60" to 72"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			72" to 84"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000


			84" to 96"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			96" to 108"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			108" to 120"	1"	0.001"	1/2"	Knob	00000000	000000	0000000	000000
			100 mm to 300 mm	1 cm	0.01 mm	1/2"	Knob	00000000	000000	0000000	000000
			300 mm to 600 mm	1 cm	0.01 mm	1/2"	Knob	00000000	000000	0000000	000000




					Stainless Steel Blade

					3/4" to 7"	1"	0.001"	1/2"	Knob	———	0	0000000	000000


					2" to 12"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					2" to 24"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					12" to 24"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					12" to 36"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					24" to 36"	1"	0.001"	1/2"	Knob	———	0	00000000	000000
					24" to 48"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					36" to 48"	1"	0.001"	1/2"	Knob	———	0	00000000	000000
					48" to 60"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					60" to 72"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					72" to 84"	1"	0.001"	1/2"	Knob	———	0	0000000	000000


					84" to 96"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					96" to 108"	1"	0.001"	1/2"	Knob	———	0	0000000	000000
					108" to 120"	1"	0.001"	1/2"	Knob	———	0	0000000	000000