ruler 30cm folding
Worth a lookShows low returns (0.2%), but prices mostly outside the sweet spot ($1.32–$4.70) keeps it on the watch list.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Review moat
Good562.15avg incumbent reviews — the moat a new listing must climb
Brand share
Good67%top-5 brand share — brands hold most of the demand
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Growth
Okay+6.8%90-day search growth — must beat 0% to launch
Market size
Bad£73K£73K/yr · 264K searches
Avg price
Bad£3.19avg listing price — sweet spot $15–$100
Price range
Bad£1.32–£4.70cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, ruler 30cm folding is a £73K/yr Amazon United Kingdom market (264K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 53/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
ruler 30cm folding market data
- Units sold / yr
- 40K–50K
- avg 4,000–5,000/product
- Revenue / yr
- £128K–£160K
- units × avg price
- Conversion rate
- 8.6%
- Avg BSR
- #92
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 56%
- Out of stock
- 0.0%
- Avg brand age
- 39 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
19 rising
Sellers
70
Top-5 brand share
67%
Top 20: 100%
Top-5 click share
50%
Top 20: 91%
Open market
28%
- Helix36%
- Guagua13%
- Liquidraw8%
- Uskerb6%
- Udewo5%
- WchoeSS4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +6.8% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 5.8×
Top ruler 30cm folding search terms
- folding ruler69K/yr
- foldable ruler57K/yr
- ruler 30cm folding49K/yr
- folding ruler 30cm23K/yr
- ruler foldable13K/yr
- 30cm ruler foldable13K/yr
- foldable ruler 30cm15K/yr
- ruler folding5K/yr
- 30cm foldable ruler3K/yr
- foldable 30cm ruler3K/yr
Top ruler 30cm folding 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
Helix 30cm Folding Ruler - 30cm/300mm Graduations Ideal for School Home or Office
Helix£2.984.4★3,626 rev
2Pack Folding Ruler Transparent 30cm 300mm Folding Ruler Clear (2)
Guagua£3.584.0★171 rev
Helix Oxford 30cm Folding Ruler Oxford Blue
Helix£1.464.3★8,504 rev
Liquidraw 30cm Folding Ruler Foldable Ruler School Stationery (Blue)
Liquidraw£2.554.2★793 rev
Helix J05011 Oxford Folding Rule (Pack of 2)
Helix£4.704.5★223 rev
Newest
by launch date
1Pack Clear Folding Ruler(30cm / 12 Inch) Shatter-Resistant Portable for School Office & Craft
BTOPB£2.560 rev
Maped 2-in-1 Foldable Ruler - 15/30cm Ruler - Decorated Plastic - Ergonomic and Compact - School Supplies
Maped£1.3213 rev
VELSIN 2 Pcs Ruler - 15 cm Transparent Straight Folding Ruler 30cm Foldable for school or office daily DIY Student Convenient Storage
VELSIN£3.383 rev
2PCS Random Color Folding Ruler 30cm Foldable Rulers 15cm Transparent Straight Rulers Shatterproof Plastic Geometric Ruler(30cm Folding-2Pack)
HiChange£3.4821 rev
Foldable Ruler 30cm - 4 Pack Metric Measurements Portable and Durable Bright Colors Ideal for School Office
JOYVOX£2.7631 rev
Trending
90-day click momentum1Pack Clear Folding Ruler(30cm / 12 Inch) Shatter-Resistant Portable for School Office & Craft
BTOPB£2.560.0★
Maped 2-in-1 Foldable Ruler - 15/30cm Ruler - Decorated Plastic - Ergonomic and Compact - School Supplies
Maped£1.324.9★
Helix J05011 Oxford Folding Rule (Pack of 2)
Helix£4.704.5★
VELSIN 2 Pcs Ruler - 15 cm Transparent Straight Folding Ruler 30cm Foldable for school or office daily DIY Student Convenient Storage
VELSIN£3.382.6★
2 Pack 30cm Foldable Transparent Ruler Measuring Tool for School & Office
HRLORK£3.554.7★
What buyers say about ruler 30cm folding
What buyers praise and complain about, mined from review topics.What buyers love
“Very well made”
“Did the job”
“Its so sturdy”
“great value”
“The ruler itself is very lightweight”
“The folding mechanism is great”
“It's easy to use”
“Great size ruler to fit in my daughters pencil case for secondary school”
“the clear markings make it easy to measure accurately”
“Lovely pastel colours”
What buyers complain about
“Quality is low”
“so flimsy it broke within days”
“as the turning wheel is quite noisy”
“so flimsy it broke within days”
“The only thing I would say is the colour match is a bit off”
“as a tool they're less practically useful”
Top return reasons
Common questions
- Is ruler 30cm folding profitable to sell on Amazon United Kingdom?
- The niche generates £73K/yr across 27 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +6.8%. Flapen's verdict: Worth a look (53/100).
- How competitive is the ruler 30cm folding niche?
- 19 brands and 70 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in ruler 30cm folding?
- Top complaints mined from reviews: Quality-Overall, Strength, Noise Level. The return rate is 0.2%.
- When does demand for ruler 30cm folding peak?
- Demand peaks in Aug–Sep; the busiest month runs 5.8× the quietest.
- What does it cost to enter the ruler 30cm folding niche?
- Listings span £1.32–£4.70; the average listing price is £3.19 (sweet spot $15–$100). The average incumbent carries 562 reviews — the moat a new listing must climb.