---
title: "Protractor — £443K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/protractor"
last_updated: "2026-07-31T16:49:23.374Z"
locale: en
meta:
  description: "Niche score 55/100 · £443K/yr market · 889K searches/yr. Pricing outside the sweet spot ($4.59 avg) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · £443K/yr market · 889K searches/yr. Pricing outside the sweet spot ($4.59 avg) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Protractor — £443K/yr Amazon UK Niche (2026) - Flapen"
---

# **protractor**

**Worth a look**

Shows low returns (0.2%), but pricing outside the sweet spot ($4.59 avg) keeps it on the watch list.

Market size 57Growth 76Conversion 90Competition 30Returns 99Price range 22Avg price 13Brand share 30Review moat 48Quality gap 47

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.8%**

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

**Growth**

**Great****+62.7%**

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

**Market size**

**Good****£443K**

£443K/yr · 889K searches

**Review moat**

**Okay****1,719.89**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****67%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Okay****87%**

top-5 brand share — brands hold most of the demand

**Price range**

**Bad****£2.11–£18.64**

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

**Avg price**

**Bad****£4.59**

avg listing price — sweet spot $15–$100

According to Flapen's Amazon United Kingdom niche tracking, protractor is a £443K/yr Amazon United Kingdom market (889K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Apr–May–Jun–Sep. Verdict: Worth a look — 55/100.

Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **protractor market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**150K–200K**</dd><dd>avg 12,500–15,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**£689K–£918K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**10.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#11**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**94%**</dd>

<dt>**Sponsored**</dt><dd>**56%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**35 months**</dd>

<dt>**Avg seller age**</dt><dd>**178 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**11 **▲rising

**Sellers**

**97**

**Top-5 brand share**

**87%**

Top 20: 100%

**Top-5 click share**

**67%**

Top 20: 100%

**Open market**

**10%**

- Helix60% - Amazon Basics15% - CALCUSO4% - Ainkou4% - Fashionstationery.com4% - SRLWMYI3% - Open — no brand owns it (5 brands, 10%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +62.7% search growth over the last 90 days.

35K25KSpike '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Sep · busiest ÷ quietest = 6.9×

[**Open Trend **](https://flapen.com/research/uk/diy-tools/protractor/trend)

## **Top protractor search terms**

- **protractor**241K/yr+54.3%13.5% conv. - **maths set**153K/yr+51.7%14.3% conv. - **geometry sets**83K/yr+27.7%12.3% conv. - **protractor and compass set**75K/yr+73.0%17.5% conv. - **maths sets for secondary school**73K/yr+149.5%15.6% conv. - **oxford maths set**34K/yr+153.2%18.5% conv. - **protractor set**27K/yr+25.3%14.5% conv. - **geometry set**26K/yr+45.8%7.6% conv. - **ruler set**25K/yr+10.8%4.6% conv. - **geometry sets for secondary school**32K/yr+277.4%11.3% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/protractor/search-terms)

## **Top protractor 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.

0%10%£44K20%£89K30%£133K40%£177K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Helix Oxford Maths Set with Storage Tin - 10 Piece Maths Equipment Set - School Supplies Including Compass Ruler Protractor and Pencil](https://m.media-amazon.com/images/I/41Fzx+p+xZL.jpg)**Helix Oxford Maths Set with Storage Tin - 10 Piece Maths Equipment Set - School Supplies Including Compass Ruler Protractor and Pencil**Helix**£2.68**4.6★14,337 rev](https://www.amazon.co.uk/dp/B000J66XPG) [2![Amazon Basics 10-Piece Maths Kit - Includes Compasses Lead Rubber Sharpener Protractor Triangles Ruler and Carrying Box](https://m.media-amazon.com/images/I/41X4zebJ7DL.jpg)**Amazon Basics 10-Piece Maths Kit - Includes Compasses Lead Rubber Sharpener Protractor Triangles Ruler and Carrying Box**Amazon Basics**£3.78**4.5★2,537 rev](https://www.amazon.co.uk/dp/B0812JQ46D) [3![Helix Oxford Premium Maths Set - Ideal for Secondary High School & College Mathematics and Science - 11 Piece Maths & Geometry Set - School Supplies](https://m.media-amazon.com/images/I/41FM3E8nrML.jpg)**Helix Oxford Premium Maths Set - Ideal for Secondary High School & College Mathematics and Science - 11 Piece Maths & Geometry Set - School Supplies**Helix**£3.69**4.6★2,519 rev](https://www.amazon.co.uk/dp/B00BHC3ZVQ) [4![Helix 10cm 180 Degree Clear Protractor H01010](https://m.media-amazon.com/images/I/41+V0RgwD1L.jpg)**Helix 10cm 180 Degree Clear Protractor H01010**Helix**£2.11**4.5★2,335 rev](https://www.amazon.co.uk/dp/B0013N6WIM) [5![15-Piece Professional Maths Set & Geometry Sets for Secondary School Compass Maths Protractor and Compass Set Premium Zipper Case in 6 Colours](https://m.media-amazon.com/images/I/51GI+uZZLSL.jpg)**15-Piece Professional Maths Set & Geometry Sets for Secondary School Compass Maths Protractor and Compass Set Premium Zipper Case in 6 Colours**CALCUSO**£8.62**4.4★3,111 rev](https://www.amazon.co.uk/dp/B0DH4XY3RQ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![G4GADGET 8-Piece Maths Geometry Set Compass & Protractor Set with Clear Pencil Case | School Stationery Set for Students | Ruler Set Protractor Triangles Eraser & Sharpener | Math Equipment](https://m.media-amazon.com/images/I/51vp2ObI1JL.jpg)**G4GADGET 8-Piece Maths Geometry Set Compass & Protractor Set with Clear Pencil Case | School Stationery Set for Students | Ruler Set Protractor Triangles Eraser & Sharpener | Math Equipment**G4GADGET**£3.78**10 rev8mo ago](https://www.amazon.co.uk/dp/B0G3BB73CK) [![Protractor Set 3pcs 180 Clear Plastic Angle Measurement Tool for Students Teachers Engineers and Designers Lightweight and Transparent Design for Easy Reading Accurate Angle Measurement(10.2cm)](https://m.media-amazon.com/images/I/41Ba-auwPZL.jpg)**Protractor Set 3pcs 180 Clear Plastic Angle Measurement Tool for Students Teachers Engineers and Designers Lightweight and Transparent Design for Easy Reading Accurate Angle Measurement(10.2cm)**SRLWMYI**£3.33**19 rev1y ago](https://www.amazon.co.uk/dp/B0F8HJXXQB) [![9 Piece Geometry Maths Set with Storage Tin Metal Compass Dividers Set Squares Protractor 15cm Ruler](https://m.media-amazon.com/images/I/51fruWLmMaL.jpg)**9 Piece Geometry Maths Set with Storage Tin Metal Compass Dividers Set Squares Protractor 15cm Ruler**1ABOVE**£3.11**64 rev1y ago](https://www.amazon.co.uk/dp/B0F8C4DK9L) [![15-Piece Professional Maths Set & Geometry Sets for Secondary School Compass Maths Protractor and Compass Set Premium Zipper Case in 6 Colours](https://m.media-amazon.com/images/I/51GI+uZZLSL.jpg)**15-Piece Professional Maths Set & Geometry Sets for Secondary School Compass Maths Protractor and Compass Set Premium Zipper Case in 6 Colours**CALCUSO**£8.62**3,111 rev1y ago](https://www.amazon.co.uk/dp/B0DH4XY3RQ) [![STAEDTLER 557 11 Noris Maths Set with Storage Tin (11 Pieces including Compass Ruler Protractor and Set Squares)](https://m.media-amazon.com/images/I/41IoGr1uQrL.jpg)**STAEDTLER 557 11 Noris Maths Set with Storage Tin (11 Pieces including Compass Ruler Protractor and Set Squares)**STAEDTLER**£2.97**86 rev2y ago](https://www.amazon.co.uk/dp/B0CTKP2X7T)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![15-Piece Professional Maths Set & Geometry Sets for Secondary School Compass Maths Protractor and Compass Set Premium Zipper Case in 6 Colours](https://m.media-amazon.com/images/I/51GI+uZZLSL.jpg)**15-Piece Professional Maths Set & Geometry Sets for Secondary School Compass Maths Protractor and Compass Set Premium Zipper Case in 6 Colours**CALCUSO**£8.62**4.4★**▲ 170%**](https://www.amazon.co.uk/dp/B0DH4XY3RQ) [![Helix Oxford 15cm Geometry Set](https://m.media-amazon.com/images/I/41qL8bJzlfL.jpg)**Helix Oxford 15cm Geometry Set**Helix**£2.61**4.6★**▲ 133%**](https://www.amazon.co.uk/dp/B003VVZF00) [![Protractor Set 3pcs 180 Clear Plastic Angle Measurement Tool for Students Teachers Engineers and Designers Lightweight and Transparent Design for Easy Reading Accurate Angle Measurement(10.2cm)](https://m.media-amazon.com/images/I/41Ba-auwPZL.jpg)**Protractor Set 3pcs 180 Clear Plastic Angle Measurement Tool for Students Teachers Engineers and Designers Lightweight and Transparent Design for Easy Reading Accurate Angle Measurement(10.2cm)**SRLWMYI**£3.33**3.2★**▲ 112%**](https://www.amazon.co.uk/dp/B0F8HJXXQB) [![G4GADGET 8-Piece Maths Geometry Set Compass & Protractor Set with Clear Pencil Case | School Stationery Set for Students | Ruler Set Protractor Triangles Eraser & Sharpener | Math Equipment](https://m.media-amazon.com/images/I/51vp2ObI1JL.jpg)**G4GADGET 8-Piece Maths Geometry Set Compass & Protractor Set with Clear Pencil Case | School Stationery Set for Students | Ruler Set Protractor Triangles Eraser & Sharpener | Math Equipment**G4GADGET**£3.78**4.6★**▲ 81%**](https://www.amazon.co.uk/dp/B0G3BB73CK) [![STAEDTLER 557 11 Noris Maths Set with Storage Tin (11 Pieces including Compass Ruler Protractor and Set Squares)](https://m.media-amazon.com/images/I/41IoGr1uQrL.jpg)**STAEDTLER 557 11 Noris Maths Set with Storage Tin (11 Pieces including Compass Ruler Protractor and Set Squares)**STAEDTLER**£2.97**4.5★**▲ 77%**](https://www.amazon.co.uk/dp/B0CTKP2X7T)

**~~View all trending →~~**

## **What buyers say about protractor**

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

### **What buyers love **

**Quality-Overall**31%

*“Excellent product”*

**Value For Money**22%

*“cheap”*

**Advertised Vs Actual Product**19%

*“Exactly as advertised”*

**Ease Of Use**4%

*“easy to use”*

**Size-Overall**3%

*“Good size”*

**Strength**3%

*“Seems sturdy, easy to use and a great price”*

**Durability**3%

*“Durable for normal use”*

**Efficiency**2%

*“Efficient”*

**Drawing Experience**2%

*“Bought for my daughter as an essential bit of kit at hand for any mathematical or technical drawing projects”*

**Correct Contents**2%

*“perfect amount of everything”*

### **What buyers complain about **

**Advertised Vs Actual Product**22%

*“the photo is deceptive”*

**Durability**14%

*“Will break”*

**Ease Of Use**13%

*“Can't be used”*

**Strength**7%

*“Easy to break”*

**Color**7%

*“They are not this colour at all”*

**Grip**7%

*“pencil won't grip firmly”*

**Adhesion/Stickiness**7%

*“Glued up”*

**Value For Money**6%

*“This was quite expensive we when bought it”*

**Material Quality**2%

*“plastic crap”*

**Quality-Overall**2%

*“they are not very good”*

### **Top return reasons **

**Advertised Vs Actual Product**17%

**Color**15%

**Defective Material/Parts**13%

**Quality-Overall**10%

**Size-Overall**10%

**Functionality-Overall**8%

**Value For Money**6%

**Scratch Resistance**3%

**Strength**3%

**Certifications**3%

## **Common questions**

<dl>

<dt>**Is protractor profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £443K/yr across 18 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +62.7%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the protractor niche?**</dt><dd>11 brands and 97 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 87% of demand.</dd>

<dt>**What do buyers complain about in protractor?**</dt><dd>Top complaints mined from reviews: Advertised Vs Actual Product, Durability, Ease Of Use. The return rate is 0.2%.</dd>

<dt>**When does demand for protractor peak?**</dt><dd>Demand peaks in Apr–May–Jun–Sep; the busiest month runs 6.9× the quietest.</dd>

<dt>**What does it cost to enter the protractor niche?**</dt><dd>Listings span £2.11–£18.64; the average listing price is £4.59 (sweet spot $15–$100). The average incumbent carries 1,720 reviews — the moat a new listing must climb.</dd>

</dl>

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