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Metric Ruler

Maybe

An estimated 0.8% of orders come back. But demand is soft, at -4.3% this quarter, so Metric Ruler is a Maybe.

Flapen Score
51
51 / 100
Top 35% of 9,536 Tools & Home Improvement niches · +3 vs the category median of 48
Market size
$153K/yr204K searches / yr
90-day growth
-4.3%search demand this quarter
Competition
45%top-5 click share · 20 brands · 89 sellers

Flapen Score

Metric Ruler against its category

The dotted line is the Tools & Home Improvement average. Past it, Metric Ruler is stronger. Inside it, weaker.

51Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Metric Ruler market on Amazon at a glance

Shoppers on Amazon United States searched for Metric Ruler 204K times last year and spent an estimated $153K. The top 5 brands take 65% of clicks. Demand peaks in Jul–Aug. Flapen scores it 51 out of 100, a Maybe.

01 · Demand

An estimated 8.9% of those searches ended in a purchase.

Shoppers searched for this 204K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.9% of those searches ended in a purchase. Searches in the last 90 days moved -4.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $153K a year.

Searches, last 12 months
204K
Growth, 90 days vs prior 90
-4.3%
Conversion, latest week
8.9%
Market size, estimated
$153Ka year
Peak month
August2.4× the quietest month
Top search term
metric ruler62K searches a year

02 · Price

A sale here is worth $8.34.

Listings sell for $8.34 on average, from $2.08 to $24.27. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 500 to 750 of them. At $8.34 that is $4K to $6K a year per listing.

Average price
$8.34under the $15 to $100 sweet spot
Price range
$2.08–$24.27
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
15K–20K
Units per listing a year
500–750
Revenue per listing a year
$4K–$6K
Returns
0.8%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

90% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #52 within Measuring & Layout Tools. It carries 1,883 reviews at 4.62 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
97%
Out of stock, average day
0.0%
Average rank
#52in Measuring & Layout Tools
Average rating
4.62 starsAmazon United States average 4.42 stars
Average reviews
1,883per listing
Listings tracked
29

04 · Newcomers

2 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 55 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
2Amazon's first-year sales bar
Average brand age
55 months

Products

Top Metric 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 28, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 45% of clicks. Leaders hold, but buyers still shop past them.

$0$6K$12K$18K$24K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

20 falling

Sellers

89

Est. top-5 brand share

65%

Top 20: 100%

Est. top-5 click share

45%

Top 20: 92%

Open market

28%

  • Westcott18%
  • PEC Tools14%
  • Shinwa12%
  • Victor11%
  • Zotemo10%
  • Mr. Pen7%

Demand

Metric Ruler search demand

Weekly searches over the year, seasonality beneath. Pick a range.

6K4KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.4×

Search terms

Top Metric Ruler search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • metric ruler62K/yr
  • mm ruler48K/yr
  • millimeter ruler32K/yr
  • metric ruler metal10K/yr
  • cm ruler8K/yr
  • centimeter ruler8K/yr
  • mm ruler metal8K/yr
  • easy read ruler6K/yr
  • thin ruler4K/yr
  • ruler mm3K/yr

Reviews and returns

What reviews say buyers love and hate about Metric Ruler

We read the reviews and the return reasons for every product selling here.

20%of positive reviews mention “Value For Money”
14%of negative reviews mention “Measurement/Reading Accuracy”
0.8%of orders come back
“Inaccurate reading”
A buyer, on “Measurement/Reading Accuracy”14% of negative reviews mention the same topic

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.

16 topics

NegativePositive

FAQ

Common Metric 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