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📐 Measure Like a Pro, Anywhere, Anytime!
The Perfect Pi Diameter Circumference Tape Measure is a 12ft (3.5m) flexible steel tape designed for precise measurement of cylindrical objects. Featuring dual-sided scales for circumference and diameter with high accuracy (±0.20%), it includes a durable, reflective aluminum case with a magnetic back and a unique rotating wheel brake for smooth tape control. Lightweight and compact, it’s ideal for professionals needing quick, reliable measurements on pipes, trees, and more.














| ASIN | B06XD5W4RY |
| Best Sellers Rank | 42,935 in DIY & Tools ( See Top 100 in DIY & Tools ) 127 in Tape Measures |
| Blade Length | 3.5 Metres |
| Blade Material | Alloy Steel |
| Blade Width | 0.5 Inches |
| Brand | PERFECT MEASURING TAPE |
| Case Material Type | Acrylonitrile Butadiene Styrene (ABS Plastic) |
| Colour | Silver |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,944) |
| Item Dimensions L x W | 3.66L x 0.01W metres |
| Item Weight | 91 Grams |
| Lock Type | Pawl |
| Manufacturer | Perfect Measuring Tape Co (Tapegate) |
| Manufacturer Part Number | DCT120 |
| Measurement Accuracy | ±0.06 meters (±0.20%) |
| Model Number | DCT120 |
| UPC | 850074067023 |
A**R
Tape measure
Great product
D**S
Keeping it simple
Great bit of kit but only if you measure a lot of pipework as i do its great making my life simpler, its also very lite and thats good in all well worth the money
P**D
Good, lightweight, practical measure.
Likes: Lighter than I expected for a measure of this length. A great idea to give the user control of tape lock and speed of retraction via the thumb-wheel built into the side of the casing. Accurate diameter-calculating scale on the reverse side of the tape. (Whoever says that the labels for the “Inch” and “Centimetre” scales are reversed is mistaken!) Nice to handle, practical to use. Dislikes: It would have been better to mark whole feet in red, I think. It’s a pity there’s no belt clip. Took a long while to arrive (although, to be fair, the delivery estimate was always fairly long!) Overall: Pleased with my purchase - recommended.
A**M
Pipe tape
A great product for making a perfect cut on a pipe or any cylindrical object
M**C
Great product
Makes the measurement of cylindrical objects so easy, real great addition to toolkit
C**S
Excellent tape
Didn't hold out much hope for this but it's really good and accurate
R**K
Expectations
Good product overall. Was only expecting the casing to be metallic… and not plastic, or at least sturdier. Considering it’s size and the environment that is going to be used - needed a heavier duty But besides that all good 👍
P**S
Not metal but cheap plastic
Avoid this item. It is of really poor quality and not worth the price. Also it has no return policy. Complete waste of time and money
M**A
Es una cinta flexible y con material duradero, veo complicado (salvo por desgaste natural) el que se borren las mediciones.
M**4
Good for DD n DE
V**L
This tool worked when I needed it most. To show a customer that the buried pipe was not the size stated on the engineering prints. But that’s another story!
H**R
This Perfect Pi Diameter Circumference Tape Measure is an absolute game-changer for anyone needing precise diameter and circumference measurements! Whether you're working with pipes, trees, or any cylindrical objects, this tool makes it quick, easy, and incredibly accurate. The tape is designed specifically for measuring diameter and circumference effortlessly, eliminating the need for manual calculations. The markings are clear, easy to read, and extremely accurate. it works great everytime, I am a wood worker myself and this thing will solve some real life challenges. One thing to keep in mind: the diameter side follows a unique scale to compensate for the mathematical formula that converts circumference to diameter. Don’t mistake the standard with imperial scale—it’s designed this way for precision, where the smaller scale is imperial and the larger scale is meteric. The tape itself is flexible yet sturdy, ensuring it holds up well over time. Perfect for professionals and DIYers alike! Outstanding Customer Support! – The company stands 100% behind their product. I had a quick question, and their customer service was unbelievably responsive, friendly, and helpful. It’s rare to find such great support these days! This is a family owned business and they stand by their 100% Satisfaction Guarantee If you're looking for a top-quality measuring tool with fantastic customer service, look no further! This is the best circumference/diameter tape measure out there. Highly recommended!
L**G
Thanks
Trustpilot
2 months ago
2 months ago