center finder
Worth a lookShows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Brand share
Great47%top-5 brand share — no brand owns this niche
Review moat
Great268.82avg incumbent reviews — the moat a new listing must climb
Avg price
Great$19.68avg listing price — sweet spot $15–$100
Price range
Great$6.26–$80.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great37%top-5 click share — an open shelf
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Market size
Okay$139K$139K/yr · 156K searches
Growth
Bad-24.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, center finder is a $139K/yr Amazon United States market (156K searches/yr). The top 5 brands hold 47% of demand. Demand peaks in Feb. Verdict: Worth a look — 63/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
center finder market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $118K–$157K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #238
- Page quality
- 0%
- Prime
- 98%
- Sponsored
- 86%
- Out of stock
- 3.8%
- Avg brand age
- 50 months
- Avg seller age
- 176 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
44 rising
Sellers
86
Top-5 brand share
47%
Top 20: 78%
Top-5 click share
37%
Top 20: 70%
Open market
49%
- Anblak15%
- Milescraft11%
- KETIPED10%
- Toolcool6%
- POWERTEC4%
- Savannah4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -24.8% search growth over the last 90 days.Peak months: Feb · busiest ÷ quietest = 1.6×
Top center finder search terms
- center finder71K/yr
- center finder tool40K/yr
- circle center finder tool13K/yr
- center finder woodworking13K/yr
- circle center finder5K/yr
- center marking tool6K/yr
- woodworking center finder5K/yr
- center finding tool4K/yr
Top center finder 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Milescraft 8408 Center Finder - Center Scriber and Offset Measuring & Marking Tool for Woodworking
Milescraft$6.924.3★2,552 rev

Magnetic Pipe Center Finder Tool Y-Shape Pipefitter Gauge with Adjustable Dial Bubble Protractor Fits 1-1/2 to 6 Pipes 2.75 Centering Head for Accurate Pipe Layout
Anblak$30.034.3★255 rev

KETIPED Aluminum Alloy Center Positioning Ruler 45/90 Degree & Right Angle & Centerline Positioning Red High-Precision Metric Measuring Multi-Function Arrow Ruler 043R
KETIPED$7.994.4★333 rev

Anblak Pipe Center Finder Pipefitter Tools w/Centering Head Pipe Fitting Tools Center Finder Tool to Measure Pipe Diameter Over 0.5 and Up 4 Y-Type Base Fitted with Dial Bubble Protractor.
Anblak$30.524.1★241 rev

POWERTEC Plastic Center Finder Tool for 8 inch Square Round Octagon and 5-3/4 inch Hexagon Measuring Tools for Dowels Drilling on Drill Press Wood Lathe Woodworking Carpenter (71080)
POWERTEC$9.894.7★1,027 rev
Newest
by launch date
Round Center Finder Compass Woodworking Circle Tool Clear Acrylic Lathe Centering Tool Wood Turning Lathe Tools Circle Gauge for Drawing Circles Lathes Work and Woodturners
Qulkws$7.214 rev

Circle Center Finder Tool Aluminum Imperial Positioning Center Finder Woodworking Tool 45/90 Degree Right Angle Centerline Positioning Multi-Function Arrow Ruler Measuring Tools for Woodworking
HaiFafafaing$6.8511 rev

AltitudeCraft Magnetic Pipe Center Finder Punch Tool 110 Inch Fitter Layout Equipment with Bubble Levels and 360 Degree Dial for Accurate Marking
AltitudeCraft$78.6026 rev

Pipe Center Finder Punch Tool and Marker Tool for Pipes 1/2 and Larger Pipe Locator Level Flange Wizard Center Finder - Upgraded Design for Accurate Pipe Diameter Measurement and Marking
QZQUFJ$22.5629 rev

Nuvium Magnetic Pipe Center Finder Punch with Dial Bubble Protractor
Nuvium$29.50189 rev
Trending
90-day click momentum
Round Center Finder Compass Woodworking Circle Tool Clear Acrylic Lathe Centering Tool Wood Turning Lathe Tools Circle Gauge for Drawing Circles Lathes Work and Woodturners
Qulkws$7.214.5★

TOOLCOOL Circle Center Finder Tool Lathe Centering Marking Tool
Toolcool$14.884.4★

KETIPED Aluminum Imperial Circle Center Positioning 45/90 Degree Positioning Ruler Right Angle Positioning Centerline Positioning Multi-Function Arrow Ruler High-Precision Measuring Ruler 044BL
KETIPED$7.984.4★

Circle Center Finder Tool Aluminum Imperial Positioning Center Finder Woodworking Tool 45/90 Degree Right Angle Centerline Positioning Multi-Function Arrow Ruler Measuring Tools for Woodworking
HaiFafafaing$6.854.1★

Pipe Center Finder Punch Tool and Marker Tool for Pipes 1/2 and Larger Pipe Locator Level Flange Wizard Center Finder - Upgraded Design for Accurate Pipe Diameter Measurement and Marking
QZQUFJ$22.564.2★
What buyers say about center finder
What buyers praise and complain about, mined from review topics.What buyers love
“Real handy”
“Good quality tool”
“Reasonably priced”
“As advertised”
“Well made”
“its accurate enough that you can trust it without second-guessing every mark”
“As well as a convenient size”
“Seems pretty durable”
“sturdy”
“Works great with my brad point bits and gives clean, accurate holes without a bunch of guesswork”
What buyers complain about
“Inaccurate”
“The provided pencil does not fit the opening for it”
“Bad quality”
“Awkward to use”
“Did not work for me”
“Broke first time I used it”
“or feels a little too flimsy”
“The directions are not very helpful”
“Also does not slide very easy over the wood”
“the lines are very hard to see”
Top return reasons
Common questions
- Is center finder profitable to sell on Amazon United States?
- The niche generates $139K/yr across 50 tracked products. 0 of 13 products launched in the last 360 days are still selling. 90-day search growth is -24.8%. Flapen's verdict: Worth a look (63/100).
- How competitive is the center finder niche?
- 44 brands and 86 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 47% of demand.
- What do buyers complain about in center finder?
- Top complaints mined from reviews: Measurement/Reading Accuracy, Size-Overall, Quality-Overall. The return rate is 1.0%.
- When does demand for center finder peak?
- Demand peaks in Feb; the busiest month runs 1.6× the quietest.
- What does it cost to enter the center finder niche?
- Listings span $6.26–$80.01; the average listing price is $19.68 (sweet spot $15–$100). The average incumbent carries 269 reviews — the moat a new listing must climb.