Chalk Line
PassChalk Line scores 65 out of 100, a Pass. Shoppers spend $1.7M a year here, demand is soft, at -0.6% this quarter, and returns run at 1.0% of orders.
- Flapen Score
- 65 / 100Top 3% of 9,536 Tools & Home Improvement niches · +17 vs the category median of 4865
- Market size
- $1.7M/yr1.0M searches / yr
- 90-day growth
- -0.6%search demand this quarter
- Competition
- 46%top-5 click share · 15 brands · 140 sellers
Flapen Score
Chalk Line against its category
The dotted line is the Tools & Home Improvement average. Past it, Chalk Line is stronger. Inside it, weaker.
Market
The Chalk Line market on Amazon at a glance
Shoppers on Amazon United States searched for Chalk Line 1.0M times last year and spent an estimated $1.7M. The top 5 brands take 87% of clicks. Demand peaks in Apr–May. Flapen scores it 65 out of 100, a Pass.
01 · Demand
6.3% of searches ended in a purchase last week.
Shoppers searched for this 1.0M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 6.3% of those searches ended in a purchase. Searches in the last 90 days moved -0.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.7M a year.
- Searches, last 12 months
- 1.0M
- Growth, 90 days vs prior 90
- -0.6%
- Conversion, latest week
- 6.3%
- Market size, estimated
- $1.7Ma year
- Peak month
- May1.7× the quietest month
- Top search term
- chalk line353K searches a year
02 · Price
A sale here is worth $27.24.
Listings sell for $27.24 on average, from $7.64 to $60.36. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 1,000 to 1,250 of them. At $27.24 that is $27K to $34K a year per listing.
- Average price
- $27.24inside the $15 to $100 sweet spot
- Price range
- $7.64–$60.36
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 60K–80K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $27K–$34K
- Returns
- 1.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
43% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 1.8% of listings are out of stock. The average listing ranks #32 within Measuring & Layout Tools. It carries 852 reviews at 4.38 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 43%
- Prime listings
- 97%
- Out of stock, average day
- 1.8%
- Average rank
- #32in Measuring & Layout Tools
- Average rating
- 4.38 starsAmazon United States average 4.42 stars
- Average reviews
- 852per listing
- Listings tracked
- 37
04 · Newcomers
Amazon counts 6 of last year's 7 launches as successful.
7 products launched here in the last 12 months. Amazon counts 6 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
- 7
- Successful launches
- 6Amazon's first-year sales bar
- Average brand age
- 59 months
Products
Top Chalk Line 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
IRWIN Tools STRAIT-LINE Chalk Line Classic Reel Blue 100ft (IWHT48441BC)
- Price
- $9.34
- Rating
- 4.4/5
- Reviews
- 555
- Age
- 3y ago

TAJIMA Chalk Line - Chalk-Rite Jam Free Special Edition Chalk Line with Extra Bold 1mm Snap Line & Five Gear Quick Retrieval - CR301JF-CP
- Price
- $30.85
- Rating
- 4.6/5
- Reviews
- 8,476
- Age
- 5y ago

TAJIMA Chalk Line - Chalk-Rite Jam Free Chalk Box with Extra Bold 1mm Snap Line & Five Gear Quick Retrieval - CR301JF
- Price
- $31.27
- Rating
- 4.6/5
- Reviews
- 8,476
- Age
- 22y ago

IRWIN Tools STRAIT-LINE COMPACT Chalk Reel with Blue Chalk 30 ft. (IWHT48440BC)
- Price
- $9.94
- Rating
- 4.4/5
- Reviews
- 597
- Age
- 3y ago

TAJIMA Chalk Line - Chalk-Rite Jam Free Chalk Box with Ultra Thin 0.5mm Snap Line & Five Gear Quick Retrieval - CR302JF
- Price
- $31.56
- Rating
- 4.4/5
- Reviews
- 445
- Age
- 3y ago
Trending
90-day click momentum
KLEIN TOOLS CHLK150 Heavy-Duty Chalk Reel 150-Foot 4:1 Gear Ratio Chalk Line and Rubber Stopper Top with a Nested Ring Design
- Price
- $29.87
- Rating
- 4.1/5
- Reviews
- 50
- Age
- 6mo ago

KLEIN TOOLS CHLK50S Chalk Reel 50-Foot 4:1 Gear Ratio Quick-Release Spool Clutch Chalk Line and Twist-Lock Top with a Nested Hook Design
- Price
- $10.02
- Rating
- 4.1/5
- Reviews
- 50
- Age
- 6mo ago

RUBII 2 Pcs 100Ft Chalk Line Reel Box Portable Chalk Reel with Carabiner Black Chalks Line Tool for Construction Carpentry Projects Drawing Straight 6 Locking Positions
- Price
- $19.45
- Rating
- 4.0/5
- Reviews
- 28
- Age
- 7mo ago

KLEIN TOOLS CHLK100S Chalk Reel 100-Foot 6:1 Gear Ratio Quick-Release Spool Clutch Chalk Level Window Twist-Lock Top Nested Hook Design 4-Oz Blue Refill Included
- Price
- $15.07
- Rating
- 4.3/5
- Reviews
- 29
- Age
- 8mo ago

HAUTMEC Chalk Line Tool 100ft Chalk Box with 6:1 Gear Ratio & Construction String Line Carpenter Tools for Framers Roofers and Deck Builders HT0108
- Price
- $13.96
- Rating
- 4.1/5
- Reviews
- 182
- Age
- 6y ago
Newest
by launch date
KLEIN TOOLS CHLK150 Heavy-Duty Chalk Reel 150-Foot 4:1 Gear Ratio Chalk Line and Rubber Stopper Top with a Nested Ring Design
- Price
- $29.87
- Rating
- 4.1/5
- Reviews
- 50
- Age
- 6mo ago

KLEIN TOOLS CHLK50S Chalk Reel 50-Foot 4:1 Gear Ratio Quick-Release Spool Clutch Chalk Line and Twist-Lock Top with a Nested Hook Design
- Price
- $10.02
- Rating
- 4.1/5
- Reviews
- 50
- Age
- 6mo ago

RUBII 2 Pcs 100Ft Chalk Line Reel Box Portable Chalk Reel with Carabiner Black Chalks Line Tool for Construction Carpentry Projects Drawing Straight 6 Locking Positions
- Price
- $19.45
- Rating
- 4.0/5
- Reviews
- 28
- Age
- 7mo ago

KLEIN TOOLS CHLK100S Chalk Reel 100-Foot 6:1 Gear Ratio Quick-Release Spool Clutch Chalk Level Window Twist-Lock Top Nested Hook Design 4-Oz Blue Refill Included
- Price
- $15.07
- Rating
- 4.3/5
- Reviews
- 29
- Age
- 8mo ago

OX Pro 50ft Precision Chalk Line Tool Value Pack - Kevlar Ultra Fine Line Blue Chalk Reel with 1.5oz Blue Powder Refill - 3:1 Gear Ratio Choclain Tiralineas Choclay
- Price
- $14.64
- Rating
- 3.9/5
- Reviews
- 68
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 46% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 rising
Sellers
140
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
46%
Top 20: 84%
Open market
9%
- Tajima43%
- IRWIN30%
- Milwaukee6%
- KLEIN TOOLS6%
- Lufkin4%
- OX3%
- Open — no brand owns it (9 brands, 9%)
Demand
Chalk Line search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May · busiest ÷ quietest = 1.7×
Search terms
Top Chalk Line search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- chalk line353K/yr
- tajima chalk line131K/yr
- chalk line tool133K/yr
- tajima89K/yr
- chalk box44K/yr
- choclain para roofing43K/yr
- choclain para carpintero29K/yr
- choclain26K/yr
- tajima tools24K/yr
- tajima chalk box22K/yr
Reviews and returns
What reviews say buyers love and hate about Chalk Line
We read the reviews and the return reasons for every product selling here.
“Cheap product”
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 Chalk Line questions
Answered from the same tracked data.









