40 Lb Weight
FailShoppers spend an estimated $67K a year here, so 40 Lb Weight is a Fail.
- Flapen Score
- 42 / 100Ranks 5,499 of 8,101 Sports & Outdoors niches · −5 vs the category median of 4742
- Market size
- $67K/yr27K searches / yr
- 90-day growth
- +17.5%search demand this quarter
- Competition
- 51%top-5 click share · 14 brands · 13 sellers
Flapen Score
40 Lb Weight against its category
The dotted line is the Sports & Outdoors average. Past it, 40 Lb Weight is stronger. Inside it, weaker.
Market
The 40 Lb Weight market on Amazon at a glance
Shoppers on Amazon United States searched for 40 Lb Weight 27K times last year and spent an estimated $67K. The top 5 brands take 87% of clicks. Flapen scores it 42 out of 100, a Fail.
01 · Demand
An estimated 4.1% of those searches ended in a purchase.
Shoppers searched for this 27K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.1% of those searches ended in a purchase. Searches in the last 90 days moved +17.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $67K a year.
- Searches, last 12 months
- 27K
- Growth, 90 days vs prior 90
- +17.5%
- Conversion, latest week
- 4.1%
- Market size, estimated
- $67Ka year
- Top search term
- 40 lb weight4K searches a year
02 · Price
A sale here is worth $60.30.
Listings sell for $60.30 on average, from $19.81 to $180.37. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $60.30 that is $0 to $6K a year per listing.
- Average price
- $60.30inside the $15 to $100 sweet spot
- Price range
- $19.81–$180.37
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$6K
- Returns
- 3.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.9% of listings are out of stock. The average listing ranks #78 within Weights & Accessories. It carries 12,233 reviews at 4.55 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 9.9%
- Average rank
- #78in Weights & Accessories
- Average rating
- 4.55 starsAmazon United States average 4.42 stars
- Average reviews
- 12,233per listing
- Listings tracked
- 32
04 · Newcomers
9 of last year's 11 launches cleared the first-year sales bar.
11 products launched here in the last 12 months. 9 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 44 months on average, so the names here are settling in.
- Launched, last 12 months
- 11
- Successful launches
- 9Amazon's first-year sales bar
- Average brand age
- 44 months
Products
Top 40 Lb Weight 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 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Amazon Basics Rubber Hex Dumbbell Weight with Comfortable Handle for Home Gym Workout 40 pound Single Black
- Price
- $40.46
- Rating
- 4.7/5
- Reviews
- 52,425
- Age
- 8y ago

CAP Barbell Cast Iron Hex Dumbbell Single 40 lb
- Price
- $44.37
- Rating
- 4.5/5
- Reviews
- 3,663
- Age
- 2w ago

Fitvids 40lbs 4in1 Adjustable Dumbbell Set Multi-Functional Changeable Dumbbell and Barbell Kettlebell Set
- Price
- $52.31
- Rating
- 4.4/5
- Reviews
- 279
- Age
- 11mo ago

CAP Barbell 40 LB Coated Hex Dumbbell Weight New Edition
- Price
- $42.36
- Rating
- 4.7/5
- Reviews
- 12,015
- Age
- 5y ago

FUFF Adjustable Weighted Vest Men 40 LB Weight Vest for Strength Trainin Workout Vest Woman with Removable Iron Weights for Walking Rucking Running Exercise
- Price
- $90.95
- Rating
- 4.5/5
- Reviews
- 68
- Age
- 1y ago
Trending
estimated 90-day click momentum
Signature Fitness Fitvids Rubber Encased Hex Dumbbell 45LB 45LB Pair Black
- Price
- $96.97
- Rating
- 4.6/5
- Reviews
- 647
- Age
- 3y ago

Fitvids 150LB Rubber Coated Hex Dumbbell Weight Set with Storage Rack 5-25LB Free Weights with Anti-Slip Handle for Home Gym
- Price
- $180.37
- Rating
- 3.6/5
- Reviews
- 47
- Age
- 6mo ago

Yes4All Slam Balls 10-40lb Medicine Ball Weight Durable PVC Sand Filled Workout Dynamic Medicine Ball for Core Strengthen
- Price
- $24.88
- Rating
- 4.7/5
- Reviews
- 14,036
- Age
- 9y ago

HulkFit 40 LBS Pair Rubber Coated Hex Dumbbells Anti-Roll Hand Weights Set of 2 Non-Slip Ergonomic Handle Low Odor for Home Gym
- Price
- $87.73
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 1mo ago

CAP Barbell Cast Iron Hex Dumbbell Black Single 40 lb
- Price
- $43.95
- Rating
- 4.5/5
- Reviews
- 3,663
- Age
- 2w ago
Newest
by launch date
CAP Barbell Cast Iron Hex Dumbbell Single 40 lb
- Price
- $44.37
- Rating
- 4.5/5
- Reviews
- 3,663
- Age
- 2w ago

CAP Barbell Cast Iron Hex Dumbbell Black Single 40 lb
- Price
- $43.95
- Rating
- 4.5/5
- Reviews
- 3,663
- Age
- 2w ago

HulkFit 40 LBS Pair Rubber Coated Hex Dumbbells Anti-Roll Hand Weights Set of 2 Non-Slip Ergonomic Handle Low Odor for Home Gym
- Price
- $87.73
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 1mo ago

Fitvids 150LB Rubber Coated Hex Dumbbell Weight Set with Storage Rack 5-25LB Free Weights with Anti-Slip Handle for Home Gym
- Price
- $180.37
- Rating
- 3.6/5
- Reviews
- 47
- Age
- 6mo ago

Fitvids Rubber Encased Hex Dumbbell Hand Weights Set of 2 with Anti-Slip Cast Iron Grip for Strength Training 40 LB Pair
- Price
- $88.66
- Rating
- 4.6/5
- Reviews
- 6,918
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 51% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 rising
Sellers
13
Est. top-5 brand share
87%
Top 20: 100%
Est. top-5 click share
51%
Top 20: 88%
Open market
11%
- Fitvids23%
- CAP22%
- CAP Barbell18%
- Amazon Basics18%
- FUFF6%
- HULKFIT2%
- Open — no brand owns it (8 brands, 11%)
Search terms
Top 40 Lb Weight search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 40 lb weight4K/yr
- pesas de 40 libras4K/yr
- 40lb dumbbells3K/yr
- 40 lb weights4K/yr
- 40lb weight3K/yr
- 40 pound weights3K/yr
- dumbbells 403K/yr
- 40lb dumbbell pair3K/yr
Reviews and returns
What reviews say buyers love and hate about 40 Lb Weight
We read the reviews and the return reasons for every product selling here.
“I didnt realize how bulky they are”
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 40 Lb Weight 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









