diameter tape measure
Worth a lookShows low returns (0.3%), but soft demand (-15.3% this quarter) keeps it on the watch list.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Incredible$42.33avg listing price — sweet spot $15–$100
Conversion
Good7.0%search→purchase rate — share of searches ending in a sale
Review moat
Good1,234.32avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Market size
Okay$197K$197K/yr · 67K searches
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Price range
Okay$7.03–$309.63cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-15.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, diameter tape measure is a $197K/yr Amazon United States market (67K searches/yr). The top 5 brands hold 76% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
diameter tape measure market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $254K–$339K
- units × avg price
- Conversion rate
- 7.0%
- Avg BSR
- #494
- Page quality
- 0%
- Prime
- 84%
- Sponsored
- 84%
- Out of stock
- 5.3%
- Avg brand age
- 66 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
77
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
20%
- PERFECT MEASURING TAPE31%
- Lufkin25%
- SUNHAIXIA9%
- LWQWJING5%
- Komelon5%
- Sawyer Mfg Company5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top diameter tape measure search terms
- diameter tape measure19K/yr
- circumference tape measure11K/yr
- pi tape10K/yr
- pipe tape measure5K/yr
- diameter tape5K/yr
- pipe diameter tape measure5K/yr
- od tape measure for pipe5K/yr
- pi tape measure3K/yr
- od tape3K/yr
Top diameter tape measure products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Perfect Pi Diameter Circumference Tape Measure - Imperial and Metric Tape Measure 1/2-inch By 12ft / 3.5m - Use for Measuring Cylindrical Objects - (Pipe Tape Tree Tape) Model DCT120
PERFECT MEASURING TAPE$19.244.4★2,051 rev
Crescent Lufkin 1/4 x 6 Executive Diameter Yellow Clad A19 Blade Pocket Tape Measure - W606PD
Lufkin$13.944.5★1,651 rev
Pi Diameter Circumference Tape Measure - Imperial & Metric 82inch/214cm Locking Push-Button Model A15DIY
SUNHAIXIA$8.754.0★84 rev
Pi Diameter Circumference Tape Measure - Imperial & Metric 124in/315cm Locking Push-Button
LWQWJING$9.643.6★12 rev
Komelon - 3110 Touch Lock 10 Power Tape Assorted Colors
Komelon$7.034.6★1,230 rev
Newest
by launch date
Sawyer Pipe Tape Measure - Double Sided Tape Measure for Household Repairs
Sawyer Mfg Company$13.9315 rev
Pi Diameter Circumference Tape Measure - Imperial & Metric 82inch/214cm Locking Push-Button Model A15DIY
SUNHAIXIA$8.7584 rev
Cm and Inch to 100ths Executive Diameter Pi Engineers Tape Measure
WIN TAPE$8.74279 rev
Perfect Pi Diameter Circumference Tape Measure - Imperial and Metric Tape Measure 1/2-inch By 12ft / 3.5m - Use for Measuring Cylindrical Objects - (Pipe Tape Tree Tape) Model DCT120
PERFECT MEASURING TAPE$19.242,051 rev
Pi Diameter Circumference Tape Measure - Imperial & Metric 124in/315cm Locking Push-Button
LWQWJING$9.6412 rev
Trending
90-day click momentum
2PCS Tape Measure Body Measuring Tape 60inch (150cm) Retractable Measuring Tape for Body Measurement & Weight Loss Accurate Body Tape Measure for Fitness Tailor Sewing Handcrafts Clothes
LYTOWN$13.464.5★
Crescent Lufkin 6mm x 2m Executive Diameter Yellow Clad A20 Blade Pocket Tape Measure - W606PM
Lufkin$19.744.4★
PI TAPE 3/4 to 7 Range Periphery Tape Measure
PI TAPE$198.955.0★
Pi Tape 2 to 24 Range Periphery Tape Measure
PI TAPE$309.635.0★
Cm and Inch to 100ths Executive Diameter Pi Engineers Tape Measure
WIN TAPE$8.744.2★
What buyers say about diameter tape measure
What buyers praise and complain about, mined from review topics.What buyers love
“Very easy to use easy to read I thought it was a great value for my money”
“Works as advertised”
“Great Tape Measure”
“Good price”
“Great quality and accurate”
“Just the right size”
“it comes with an extra tape which is handy”
“very durable”
“Love the design”
“Lightweight and portable”
What buyers complain about
“Horrible Accuracy”
“Broke quickly”
“after receiving a low quality product”
“I would have paid a little more for something less cheap and crappy”
“Difficult to use”
“A little flimsy”
“FALSE Advertising”
“the tape falls out very easily when you're trying to measure”
“It might just not fit my hand well”
“VERY POOR ASSEMBLY PEOPLE”
Top return reasons
Common questions
- Is diameter tape measure profitable to sell on Amazon United States?
- The niche generates $197K/yr across 19 tracked products. 90-day search growth is -15.3%. Flapen's verdict: Worth a look (50/100).
- How competitive is the diameter tape measure niche?
- 13 brands and 77 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in diameter tape measure?
- Top complaints mined from reviews: Measurement/Reading Accuracy, Durability, Quality-Overall. The return rate is 0.3%.
- When does demand for diameter tape measure peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the diameter tape measure niche?
- Listings span $7.03–$309.63; the average listing price is $42.33 (sweet spot $15–$100). The average incumbent carries 1,234 reviews — the moat a new listing must climb.