Ruler
Ruler shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Is Ruler profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Ruler is a £255K/yr Amazon United Kingdom market (770K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 56/100.
Ruler: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved +13.9% over the last 90 days and 10.2% of searches end in a purchase.
£255K
revenue / yr
Who owns the niche?
The top 5 brands hold 67% of demand, so 33% of the market is open.
33%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 31 products
Top Ruler products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Q-Connect Ruler Shatterproof 300mm Clear (Inches on one side and cm/mm on the other)
- Price
- £2.08
- Rating
- 4.5/5
- Reviews
- 3,012
- Age
- 19y ago
Helix Oxford 12 inch 30cm Shatter Resistant Ruler
- Price
- £2.24
- Rating
- 4.7/5
- Reviews
- 4,571
- Age
- 12y ago
Helix 15cm / 6 Ruler - Clear
- Price
- £2.33
- Rating
- 4.6/5
- Reviews
- 2,824
- Age
- 15y ago
Q-Connect 300mm/30cm Clear Ruler
- Price
- £1.01
- Rating
- 4.4/5
- Reviews
- 815
- Age
- 19y ago
QincLing 3-Piece Plastic Ruler Set Clear Straight Ruler 6 8 12 Inches (15 20 30cm) Measuring Tool for Students & Offices
- Price
- £3.53
- Rating
- 4.5/5
- Reviews
- 804
- Age
- 6y ago
Trending
90-day click momentum
VELSIN Plastic Transparent Straight Ruler - Clear Soft Bendable Ruler with Centimeters and Inches Measuring Tool for School Student Office - 20 cm/8 inch
- Price
- £2.56
- Rating
- 4.7/5
- Reviews
- 6
- Age
- 9mo ago
VELSIN 2 Pcs Ruler - 15 cm Transparent Straight Folding Ruler 30cm Foldable for school or office daily DIY Student Convenient Storage
- Price
- £3.38
- Rating
- 2.6/5
- Reviews
- 3
- Age
- 9mo ago
Helix Oxford 12 inch 30cm Shatter Resistant Ruler
- Price
- £2.24
- Rating
- 4.7/5
- Reviews
- 4,571
- Age
- 12y ago
Helix 15cm / 6 Ruler - Clear
- Price
- £2.33
- Rating
- 4.6/5
- Reviews
- 2,824
- Age
- 15y ago
5Pack 30cm Thick Clear Plastic Ruler 12 Inches Shatter Resistant Metric Transparent Straight Measuring Ruler Tool (30CM)
- Price
- £4.10
- Rating
- 4.7/5
- Reviews
- 22
- Age
- 8mo ago
Newest
by launch date5Pack 30cm Thick Clear Plastic Ruler 12 Inches Shatter Resistant Metric Transparent Straight Measuring Ruler Tool (30CM)
- Price
- £4.10
- Rating
- 4.7/5
- Reviews
- 22
- Age
- 8mo ago
18Pack 12 Inch Clear Plastic Ruler Shatter Resistant Metric Transparent Straight Measuring Ruler School Classroom Home or Office
- Price
- £3.84
- Rating
- 4.8/5
- Reviews
- 12
- Age
- 8mo ago
VELSIN Plastic Transparent Straight Ruler - Clear Soft Bendable Ruler with Centimeters and Inches Measuring Tool for School Student Office - 20 cm/8 inch
- Price
- £2.56
- Rating
- 4.7/5
- Reviews
- 6
- Age
- 9mo ago
VELSIN 2 Pcs Ruler - 15 cm Transparent Straight Folding Ruler 30cm Foldable for school or office daily DIY Student Convenient Storage
- Price
- £3.38
- Rating
- 2.6/5
- Reviews
- 3
- Age
- 9mo ago
4Pcs Plastic Ruler Set 30cm/12inch Clear Ruler Kit Transparent Straight Ruler Measuring Tool for Student Classroom School Office Home
- Price
- £3.91
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 10mo ago
Competition: brands, sellers & click share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
Brands
21 rising
Sellers
113
Top-5 brand share
67%
Top 20: 99%
Top-5 click share
47%
Top 20: 86%
Open market
30%
- Helix26%
- Q-Connect23%
- Guagua8%
- Udewo6%
- QincLing5%
- AIOUNIYA4%
Ruler demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Aug, Sep · busiest ÷ quietest = 3.4×
Top Ruler search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- ruler416K/yr
- ruler 30cm106K/yr
- 30cm ruler80K/yr
- rulers57K/yr
- 30 cm ruler19K/yr
- long ruler15K/yr
- rulers 30cm8K/yr
- clear ruler8K/yr
- plastic ruler8K/yr
- ruller7K/yr
What reviews say buyers love and hate about Ruler
What buyers mention most, as a share of all reviews.
What buyers love
91% of reviews“Excellent product”
“Good value”
“Just as advertised”
“The plastic feels sturdy”
“Handy”
What buyers complain about
72% of reviews“Relatively thin,”
“Extremely poor quality, bends easily”
“Very flimsy”
“The metric markings on the twelve inch ruler were blurred / missing from about 0 to 3”
“Break Easily”
Ruler return rate & reasons
Why buyers send it back, as a share of all return requests.
0.2%
Return rate
38%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Ruler questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
