Ruler 15cm
FailPrices span $1.51–$5.17, mostly outside the sweet spot, so Ruler 15cm is a Fail.
- Flapen Score
- 44 / 100Ranks 489 of 835 Stationery & Office Supplies niches · −3 vs the category median of 4744
- Market size
- £48K/yr136K searches / yr
- 90-day growth
- +12.3%search demand this quarter
- Competition
- 68%top-5 click share · 14 brands · 34 sellers
Flapen Score
Ruler 15cm against its category
The dotted line is the Stationery & Office Supplies average. Past it, Ruler 15cm is stronger. Inside it, weaker.
Market
The Ruler 15cm market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Ruler 15cm 136K times last year and spent an estimated £48K. The top 5 brands take 73% of clicks. Demand peaks in Aug–Sep. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 12.4% of those searches ended in a purchase.
Shoppers searched for this 136K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.4% of those searches ended in a purchase. Searches in the last 90 days moved +12.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £48K a year.
- Searches, last 12 months
- 136K
- Growth, 90 days vs prior 90
- +12.3%
- Conversion, latest week
- 12.4%
- Market size, estimated
- £48Ka year
- Peak month
- September3.3× the quietest month
- Top search term
- ruler 15cm48K searches a year
02 · Price
A sale here is worth £2.87.
Listings sell for £2.87 on average, from £1.51 to £5.17. Amazon reports units sold in ranges. This niche sold 25K to 30K a year. The average listing sells 1,000 to 1,250 of them. At £2.87 that is £3K to £4K a year per listing.
- Average price
- £2.87under the $15 to $100 sweet spot
- Price range
- £1.51–£5.17
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 25K–30K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- £3K–£4K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
73% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 0.3% of listings are out of stock. The average listing ranks #101 within Office Supplies. It carries 502 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 73%
- Prime listings
- 93%
- Out of stock, average day
- 0.3%
- Average rank
- #101in Office Supplies
- Average rating
- 4.59 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 502per listing
- Listings tracked
- 15
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 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 29 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 29 months
Products
Top Ruler 15cm 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
Helix 15cm / 6 Ruler - Clear
- Price
- £2.33
- Rating
- 4.6/5
- Reviews
- 2,824
- Age
- 15y ago

Redamancy 6 Pcs 15cm Clear Plastic Rulers - 6 Inch Shatterproof Transparent Straight Ruler Measuring Ruler Tool
- Price
- £3.39
- Rating
- 4.5/5
- Reviews
- 239
- Age
- 2y ago

Ainkou 3-Pack Clear Plastic Ruler - 15cm/6 Metric & Imperial Shatter Resistant Transparent Straight Measuring Ruler for Students & Offices
- Price
- £3.02
- Rating
- 4.6/5
- Reviews
- 65
- Age
- 4y ago

Uskerb 6 Pcs 15cm Ruler Set | Clear Plastic Transparent 6 Inch Rulers for School Office Home Drawing Craft | Durable and Accurate Small Rulers
- Price
- £2.84
- Rating
- 4.5/5
- Reviews
- 7
- Age
- 2y ago

Monster Stationery - 6 Inch / 15cm Transparent Coloured Rulers - Shatter Resistant - Pack of 5 - Mixed
- Price
- £3.21
- Rating
- 4.7/5
- Reviews
- 1,808
- Age
- 9y ago
Trending
estimated 90-day click momentum
Uskerb 6 Pcs 15cm Ruler Set | Clear Plastic Transparent 6 Inch Rulers for School Office Home Drawing Craft | Durable and Accurate Small Rulers
- Price
- £2.84
- Rating
- 4.5/5
- Reviews
- 7
- Age
- 2y ago

5-Piece 15cm Clear Plastic Ruler Set Perfect for School & Office Use Transparent Measuring Tools for Crafting Drawing and Precision Work Small Rulers for Kids & Adults
- Price
- £2.81
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 1y ago

5-Piece 15cm Clear Plastic Ruler Set - Durable Precise for School Office & Craft Projects
- Price
- £2.53
- Rating
- 4.7/5
- Reviews
- 10
- Age
- 1y ago

2 Pack 6 Inch Ruler Shatter-Resistant Small Ruler Durable 15cm Rulers Measuring Tool Suitable for Students School Office Use
- Price
- £3.38
- Rating
- 4.7/5
- Reviews
- 3
- Age
- 8mo ago

5-Piece 15cm Transparent Ruler Set - High Precision Metric & Imperial Scales for School Office & Crafting
- Price
- £2.37
- Rating
- 3.6/5
- Reviews
- 2
- Age
- 11mo ago
Newest
by launch date
2 Pack 6 Inch Ruler Shatter-Resistant Small Ruler Durable 15cm Rulers Measuring Tool Suitable for Students School Office Use
- Price
- £3.38
- Rating
- 4.7/5
- Reviews
- 3
- Age
- 8mo ago

5-Piece 15cm Transparent Ruler Set - High Precision Metric & Imperial Scales for School Office & Crafting
- Price
- £2.37
- Rating
- 3.6/5
- Reviews
- 2
- Age
- 11mo ago

runxsam 25 pcs 15 cm (6 in) colorful clear plastic rulers shatterproof
- Price
- £5.17
- Rating
- 5.0/5
- Reviews
- 54
- Age
- 1y ago

10Pcs 15cm Thick Clear Plastic Rulers - 6 Inch Shatterproof Transparent Straight Ruler Measuring Ruler Tool (15CM-10Pcs)
- Price
- £3.87
- Rating
- 4.7/5
- Reviews
- 22
- Age
- 1y ago

5-Piece 15cm Clear Plastic Ruler Set Perfect for School & Office Use Transparent Measuring Tools for Crafting Drawing and Precision Work Small Rulers for Kids & Adults
- Price
- £2.81
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 falling
Sellers
34
Est. top-5 brand share
73%
Top 20: 100%
Est. top-5 click share
68%
Top 20: 100%
Open market
21%
- Helix41%
- Redamancy11%
- Ainkou8%
- Uskerb7%
- Ashton and Wright6%
- MSC6%
Demand
Ruler 15cm search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Aug, Sep · busiest ÷ quietest = 3.3×
Search terms
Top Ruler 15cm search terms shoppers use
The exact words shoppers type, with estimated 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
Reviews and returns
What reviews say buyers love and hate about Ruler 15cm
We read the reviews and the return reasons for every product selling here.
“Short metal ruler”
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.
14 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 15cm 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









