Ruler
MaybeAn estimated 0.2% of orders come back. But prices span $1.01–$5.77, mostly outside the sweet spot, so Ruler is a Maybe.
- Flapen Score
- 56 / 100Top 13% of 835 Stationery & Office Supplies niches · +9 vs the category median of 4756
- Market size
- £255K/yr770K searches / yr
- 90-day growth
- +13.9%search demand this quarter
- Competition
- 47%top-5 click share · 21 brands · 113 sellers
Flapen Score
Ruler against its category
The dotted line is the Stationery & Office Supplies average. Past it, Ruler is stronger. Inside it, weaker.
Market
The Ruler market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Ruler 770K times last year and spent an estimated £255K. The top 5 brands take 67% of clicks. Demand peaks in Aug–Sep. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 10.2% of those searches ended in a purchase.
Shoppers searched for this 770K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 10.2% of those searches ended in a purchase. Searches in the last 90 days moved +13.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £255K a year.
- Searches, last 12 months
- 770K
- Growth, 90 days vs prior 90
- +13.9%
- Conversion, latest week
- 10.2%
- Market size, estimated
- £255Ka year
- Peak month
- September3.4× the quietest month
- Top search term
- ruler416K searches a year
02 · Price
A sale here is worth £3.26.
Listings sell for £3.26 on average, from £1.01 to £5.77. Amazon reports units sold in ranges. This niche sold 125K to 150K a year. The average listing sells 4,000 to 5,000 of them. At £3.26 that is £13K to £16K a year per listing.
- Average price
- £3.26under the $15 to $100 sweet spot
- Price range
- £1.01–£5.77
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 125K–150K
- Units per listing a year
- 4,000–5,000
- Revenue per listing a year
- £13K–£16K
- Returns
- 0.2%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
74% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.7% of listings are out of stock. The average listing ranks #41 within Office Supplies. It carries 1,064 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 74%
- Prime listings
- 100%
- Out of stock, average day
- 4.7%
- Average rank
- #41in Office Supplies
- Average rating
- 4.46 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,064per listing
- Listings tracked
- 31
04 · Newcomers
0 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 36 months on average, so the names here are settling in.
- Launched, last 12 months
- 6
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 36 months
Products
Top Ruler products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 29, 2026. The live listing can differ.
Top sellers
by estimated 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
estimated 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 date
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

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
Competition: brands, sellers & click share
The top 5 products take an estimated 47% of clicks. Leaders hold, but buyers still shop past them.
Brands
21 rising
Sellers
113
Est. top-5 brand share
67%
Top 20: 99%
Est. top-5 click share
47%
Top 20: 86%
Open market
30%
- Helix26%
- Q-Connect23%
- Guagua8%
- Udewo6%
- QincLing5%
- AIOUNIYA4%
Demand
Ruler search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Aug, Sep · busiest ÷ quietest = 3.4×
Search terms
Top Ruler search terms shoppers use
The exact words shoppers type, with estimated 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
Reviews and returns
What reviews say buyers love and hate about Ruler
We read the reviews and the return reasons for every product selling here.
“Relatively thin,”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Ruler questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









