Skip to content

Ruler 15cm

prices mostly outside the sweet spot ($1.51–$5.17) — Ruler 15cm doesn't clear our bar today.

Flapen Score

44
Skip it
Market size 12Growth 40Conversion 95Competition 28Returns 99Price range 0Avg price 8Brand share 53Review moat 75Quality gap 27
This niche Category average

Is Ruler 15cm profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Ruler 15cm is a £48K/yr Amazon United Kingdom market (136K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 44/100.

Ruler 15cm: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +12.3% over the last 90 days and 12.4% of searches end in a purchase.

£48K

revenue / yr

Units sold / yr30K
Search volume / yr+12.3%136K
Conversion rate12.4%
Avg price£2.87

Who owns the niche?

The top 5 brands hold 73% of demand, so 27% of the market is open.

27%

open market share

Brands · sellers14 · 34
Top-5 product click share68%
Open market27%
Avg brand age29 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 15 products

Sponsored placement73%
New entrants (1y)2· 0 succeeded
Avg rating4.6★
Avg reviews502

Top Ruler 15cm products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

£0£5K£10K£14K£19K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

14 falling

Sellers

34

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

21%

  • Helix41%
  • Redamancy11%
  • Ainkou8%
  • Uskerb7%
  • Ashton and Wright6%
  • MSC6%

Ruler 15cm demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume136KCVR12.4%Products15Brands14Top 5 Brands73%OOS Rate0.3%Rating4.6★Reviews502Avg BSR#101
10K6KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 3.3×

Top Ruler 15cm search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • ruler 15cm48K/yr
  • 15cm ruler34K/yr
  • small ruler17K/yr
  • 15 cm ruler6K/yr
  • helix ruler7K/yr
  • 6 inch ruler7K/yr
  • rulers 15cm4K/yr
  • mini ruler5K/yr
  • small rulers for school 15cm4K/yr
  • oxford ruler3K/yr

What reviews say buyers love and hate about Ruler 15cm

What buyers mention most, as a share of all reviews.

What buyers love

97% of reviews
Quality-Overall23%

Great item just what was needed

Size-Overall18%

Lovley size ruler for doing my crafts would recommend

Advertised Vs Actual Product15%

does the job

Strength14%

Strong and durable

Ease Of Use9%

Handy

What buyers complain about

83% of reviews
Metal Quality33%

Short metal ruler

Size-Overall17%

Small rulers

Strength17%

Not what I expected from Helix - very flimsy

Quality-Overall17%

Not very good quality

Ruler 15cm return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

33%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
25%
2Quality-Overall
13%
3Strength
13%
4Measurement/Reading Accuracy
8%
5Value For Money
8%

Common Ruler 15cm questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Ruler 15cm 44/100 on Amazon United Kingdom — Skip it. The niche generates £48K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. Search demand moved +12.3% over the last 90 days.
Search demand for Ruler 15cm on Amazon United Kingdom peaks in Aug–Sep, where the busiest month runs 3.3× the quietest.