Pd Ruler
MaybeThe products selling today average only 3.9★. But demand is soft, at -9.6% this quarter, so Pd Ruler is a Maybe.
- Flapen Score
- 54 / 100Top 24% of 9,536 Tools & Home Improvement niches · +6 vs the category median of 4854
- Market size
- $121K/yr63K searches / yr
- 90-day growth
- -9.6%search demand this quarter
- Competition
- 68%top-5 click share · 14 brands · 17 sellers
Flapen Score
Pd Ruler against its category
The dotted line is the Tools & Home Improvement average. Past it, Pd Ruler is stronger. Inside it, weaker.
Market
The Pd Ruler market on Amazon at a glance
Shoppers on Amazon United States searched for Pd Ruler 63K times last year and spent an estimated $121K. The top 5 brands take 73% of clicks. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
11.4% of searches ended in a purchase last week.
Shoppers searched for this 63K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 11.4% of those searches ended in a purchase. Searches in the last 90 days moved -9.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $121K a year.
- Searches, last 12 months
- 63K
- Growth, 90 days vs prior 90
- -9.6%
- Conversion, latest week
- 11.4%
- Market size, estimated
- $121Ka year
- Peak month
- March1.5× the quietest month
- Top search term
- pd ruler for eyeglasses19K searches a year
02 · Price
A sale here is worth $16.92.
Listings sell for $16.92 on average, from $4.99 to $116.84. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At $16.92 that is $8K to $13K a year per listing.
- Average price
- $16.92inside the $15 to $100 sweet spot
- Price range
- $4.99–$116.84
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $8K–$13K
- Returns
- 2.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 10.3% of listings are out of stock. The average listing ranks #464 within Measuring & Layout Tools. It carries 145 reviews at 3.89 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 10.3%
- Average rank
- #464in Measuring & Layout Tools
- Average rating
- 3.89 starsAmazon United States average 4.42 stars
- Average reviews
- 145per listing
- Listings tracked
- 15
04 · Newcomers
Amazon counts 0 of last year's 8 launches as successful.
8 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 59 months on average, so the names here are settling in.
- Launched, last 12 months
- 8
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 59 months
Products
Top Pd Ruler products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
Ezyaid PD Ruler with Instruction Manual - Pupillary Distance Ruler for Pupil Distance Measuring PD Measurement Tool for Prescription Eyeglasses Include Eye Care Tips
- Price
- $6.99
- Rating
- 4.4/5
- Reviews
- 480
- Age
- 5y ago

1PCS Plastic PD Ruler for Eyeglasses Measure Optical Vernier PD Ruler
- Price
- $6.04
- Rating
- 3.3/5
- Reviews
- 31
- Age
- 9mo ago

Ultrassist Pupillary Distance Ruler for Eyeglasses
- Price
- $5.97
- Rating
- 4.1/5
- Reviews
- 484
- Age
- 6y ago

PD Ruler for Eyeglasses Pupillary Distance Ruler PD Measurement Tool 1 Pack
- Price
- $5.92
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 6mo ago

Ezyaid PD Ruler for Eyeglasses with Pupillary Distance Guide
- Price
- $5.94
- Rating
- 4.4/5
- Reviews
- 165
- Age
- 4y ago
Trending
90-day click momentum
Pupillometers for Measuring Pupillary Distance with Electronic Instruction Manual Transparent Pupillary Distance Ruler for Pupil Measuring Essential Tool for Single PD or Dual PD Measurement
- Price
- $5.12
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

WJIAAA Plastic PD Ruler for Eyeglasses 2 Style Measure Optical Vernier PD Ruler Eye Ophthalmic Pupil Distance Measuring Tool Pupillary Distance Measurement Tool for Ordering Glasses Online
- Price
- $6.32
- Rating
- 3.5/5
- Reviews
- 3
- Age
- 4mo ago

2 Pcs PD Ruler for Eyeglasses Pupillary Distance Ruler PD Measurement Tool for Ordering Glasses Online
- Price
- $5.62
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

4 Pcs PD Ruler for Eyeglasses Pupillary Distance Ruler Ideal for Ordering Glasses Online (White)
- Price
- $6.57
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 3mo ago

4 Pcs PD Ruler for Eyeglasses Pupillary Distance Measurement Tool White PVC Pupilometer Ruler for Ordering Glasses Online Eye Care Accessory
- Price
- $4.99
- Rating
- 4.0/5
- Reviews
- 1
- Age
- 4mo ago
Newest
by launch date
Pupillometers for Measuring Pupillary Distance with Electronic Instruction Manual Transparent Pupillary Distance Ruler for Pupil Measuring Essential Tool for Single PD or Dual PD Measurement
- Price
- $5.12
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

4 Pcs PD Ruler for Eyeglasses Pupillary Distance Ruler Ideal for Ordering Glasses Online (White)
- Price
- $6.57
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 3mo ago

2 Pcs PD Ruler for Eyeglasses Pupillary Distance Ruler PD Measurement Tool for Ordering Glasses Online
- Price
- $5.62
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

4 Pcs PD Ruler for Eyeglasses Pupillary Distance Measurement Tool White PVC Pupilometer Ruler for Ordering Glasses Online Eye Care Accessory
- Price
- $4.99
- Rating
- 4.0/5
- Reviews
- 1
- Age
- 4mo ago

WJIAAA Plastic PD Ruler for Eyeglasses 2 Style Measure Optical Vernier PD Ruler Eye Ophthalmic Pupil Distance Measuring Tool Pupillary Distance Measurement Tool for Ordering Glasses Online
- Price
- $6.32
- Rating
- 3.5/5
- Reviews
- 3
- Age
- 4mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 rising
Sellers
17
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
23%
- Ezyaid40%
- Asofelk11%
- Ultrassist10%
- VV LIINNCXM7%
- Uoeo5%
- Jxiwfvl4%
Demand
Pd Ruler search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Pd Ruler search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- pd ruler for eyeglasses19K/yr
- pupillary distance ruler13K/yr
- pd ruler10K/yr
- pd measurement tool for eyes9K/yr
- pupillary distance measurement tool6K/yr
- pupil distance measuring tool6K/yr
Reviews and returns
What reviews say buyers love and hate about Pd Ruler
We read the reviews and the return reasons for every product selling here.
“No directions which can cause inaccurate measurements”
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.
17 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 Pd Ruler questions
Answered from the same tracked data.









