Is protractor angle finder profitable to sell on Amazon United States?

The niche generates $62K/yr across 51 tracked products. 2 of 9 products launched in the last 360 days are still selling. 90-day search growth is -21.3%. Flapen's verdict: Worth a look (57/100).

How competitive is the protractor angle finder niche?

40 brands and 121 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 45% of demand.

What do buyers complain about in protractor angle finder?

Top complaints mined from reviews: Quality-Overall, Measurement/Reading Accuracy, Functionality-Overall. The return rate is 1.2%.

When does demand for protractor angle finder peak?

Demand peaks in Jan–Feb; the busiest month runs 2.0× the quietest.

What does it cost to enter the protractor angle finder niche?

Listings span $5.00–$39.71; the average listing price is $14.07 (sweet spot $15–$100). The average incumbent carries 1,910 reviews — the moat a new listing must climb.

protractor angle finder

Worth a look

Shows no brand lock-in (top 5 brands take 45% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Brand share

Great45%

top-5 brand share — no brand owns this niche

Returns

Great1.2%

return rate — above 5% kills the launch gate

Conversion

Great8.7%

search→purchase rate — share of searches ending in a sale

Competition

Great36%

top-5 click share — an open shelf

Price range

Good$5.00–$39.71

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Good$14.07

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,909.55

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$62K

$62K/yr · 50K searches

Growth

Bad-21.3%

90-day search growth — must beat 0% to launch

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, protractor angle finder is a $62K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 45% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 57/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

protractor angle finder market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $42K–$56K; units × avg price
Conversion rate: 8.7%
Avg BSR: #97
Page quality: 0%
Prime: 98%
Sponsored: 94%
Out of stock: 0.5%
Avg brand age: 52 months
Avg seller age: 173 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

40 rising

Sellers

121

Top-5 brand share

45%

Top 20: 85%

Top-5 click share

36%

Top 20: 75%

Open market

50%

GemRed12%
General Tools10%
WEN8%
LEXIVON8%
UNIPEC7%
Saker5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.3% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 2.0×

Open Trend

Top protractor angle finder search terms

protractor angle finder30K/yr -28.0%7.2% conv.
angle protractor7K/yr -8.2%5.9% conv.
protractor for woodworking7K/yr +0.5%7.8% conv.
woodworking protractor6K/yr -24.2%5.7% conv.

All search terms

Top protractor angle 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

GemRed 82305 Digital Angle Finder GemRed Protractor Stainless steel 7inch 200mm (Black Button)

GemRed$17.914.6★8,099 rev

WEN ME512P Adjustable Aluminum Protractor and Angle Gauge with Laser Etched Scale

WEN$11.774.6★435 rev

General Tools Angle Protractor #17 Stainless Steel Square Head - Measuring Tool for Carpenters & Woodworking Hobbyists

General Tools$15.504.5★2,878 rev

LEXIVON Aluminum Miter Saw Protractor | 7-Inch Rust Proof Angle Finder Featuring Precision Laser Engraved Scales (LX-230)

LEXIVON$21.094.8★9,091 rev

UNIPEC Digital Angle Finder Protractor Angle Finder Ruler 7inch 200mm Angle Measuring Tool for Woodworking Carpenter Construction DIY Measurement

UNIPEC$9.864.3★146 rev

Newest

by launch date

Stainless Steel Angle Protractor 0-180 Degrees Adjustable Woodworking Ruler Angle Measure Tool (10 cm/ 3.94 Inch)

Exircy$5.817 rev

10mo ago

Geuoaoa Digital Angle Finder Tool Stainless Steel 2 Batteries Protractor 7inch/200mm Angle Gauge Woodworking Tool for Carpenter Construction Diy Measuring

Geuoaoa$11.4757 rev

11mo ago

Tirpheety Digital Angle Finder Protractor 3rd Generation Quick Display Angle Gauge Ruler 7-Inch (200mm) Professional Measuring Tool for Woodworking Carpentry and Construction

Tirpheety$6.48159 rev

12mo ago

Snwoygr 7 Inch Aluminum Miter Saw Protractor Professional Angle Measuring Tool Comes with Two Extra Straightedge Protractors for Woodworkers Builders Plumbers Home DIY

Snwoygr$11.66177 rev

12mo ago

UNIPEC Digital Angle Finder Protractor Angle Finder Ruler 7inch 200mm Angle Measuring Tool for Woodworking Carpenter Construction DIY Measurement

UNIPEC$9.86146 rev

1y ago

What buyers say about protractor angle finder

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use22%

“Easy to operate”

Quality-Overall19%

“nice quality tool”

Value For Money11%

“Good for price”

Advertised Vs Actual Product8%

“Works exactly as advertised”

Measurement/Reading Accuracy6%

“Very accurate,”

Design-Overall4%

“Well built”

Strength4%

“Solid built”

Material Quality3%

“Material is sturdy”

Durability2%

“Very Durable”

Adjustability/Rotatability/Reclining2%

“The adjustable angle is a really nice feature”

What buyers complain about

Quality-Overall17%

“Absolutely garbage”

Measurement/Reading Accuracy14%

“Not Accurate”

Functionality-Overall7%

“rendering it pretty useless”

Ease Of Use5%

“difficult to use”

Strength5%

“flimsy”

Value For Money5%

“definitely overpriced”

Durability4%

“Knob broke quickly”

Instructions/User Manual/Troubleshooting4%

“No manual”

Size-Overall3%

“The marks are small”

Battery Life3%

“2 days later the battery was dead again”

Top return reasons

Size-Overall21%

Functionality-Overall15%

Value For Money10%

Advertised Vs Actual Product9%

Measurement/Reading Accuracy7%

Defective Material/Parts6%

Quality-Overall5%

Ease Of Use3%

Strength3%

Material Quality2%

Common questions

Is protractor angle finder profitable to sell on Amazon United States?: The niche generates $62K/yr across 51 tracked products. 2 of 9 products launched in the last 360 days are still selling. 90-day search growth is -21.3%. Flapen's verdict: Worth a look (57/100).
How competitive is the protractor angle finder niche?: 40 brands and 121 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 45% of demand.
What do buyers complain about in protractor angle finder?: Top complaints mined from reviews: Quality-Overall, Measurement/Reading Accuracy, Functionality-Overall. The return rate is 1.2%.
When does demand for protractor angle finder peak?: Demand peaks in Jan–Feb; the busiest month runs 2.0× the quietest.
What does it cost to enter the protractor angle finder niche?: Listings span $5.00–$39.71; the average listing price is $14.07 (sweet spot $15–$100). The average incumbent carries 1,910 reviews — the moat a new listing must climb.