Mattress Foundation King
FailBuyers convert on only 1.6% of searches, so Mattress Foundation King is a Fail.
- Flapen Score
- 41 / 100Ranks 8,763 of 11,240 Home & Kitchen niches · −8 vs the category median of 4941
- Market size
- $119K/yr62K searches / yr
- 90-day growth
- +11.9%search demand this quarter
- Competition
- 48%top-5 click share · 17 brands · 17 sellers
Flapen Score
Mattress Foundation King against its category
The dotted line is the Home & Kitchen average. Past it, Mattress Foundation King is stronger. Inside it, weaker.
Market
The Mattress Foundation King market on Amazon at a glance
Shoppers on Amazon United States searched for Mattress Foundation King 62K times last year and spent an estimated $119K. The top 5 brands take 73% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 1.6% of those searches ended in a purchase.
Shoppers searched for this 62K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.6% of those searches ended in a purchase. Searches in the last 90 days moved +11.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $119K a year.
- Searches, last 12 months
- 62K
- Growth, 90 days vs prior 90
- +11.9%
- Conversion, latest week
- 1.6%
- Market size, estimated
- $119Ka year
- Top search term
- mattress foundation king14K searches a year
02 · Price
A sale here is worth $119.50.
Listings sell for $119.50 on average, from $60.19 to $241.85. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $119.50 that is $0 to $12K a year per listing.
- Average price
- $119.50above the $15 to $100 sweet spot
- Price range
- $60.19–$241.85
- 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–$12K
- Returns
- 4.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
81% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 2.1% of listings are out of stock. The average listing ranks #29 within Mattresses & Box Springs. It carries 8,959 reviews at 4.41 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 81%
- Prime listings
- 91%
- Out of stock, average day
- 2.1%
- Average rank
- #29in Mattresses & Box Springs
- Average rating
- 4.41 starsAmazon United States average 4.42 stars
- Average reviews
- 8,959per listing
- Listings tracked
- 32
04 · Newcomers
5 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 26 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 8
- Successful launches
- 5Amazon's first-year sales bar
- Average brand age
- 26 months
Products
Top Mattress Foundation King 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 30, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Amazon Basics Smart Box Spring Bed Base 7-Inch Height Mattress Foundation Tool-Free Easy Assembly King Size Bed Sturdy Support Durable Construction 79 x 75.5 x 7 White
- Price
- $130.20
- Rating
- 4.5/5
- Reviews
- 38,479
- Age
- 6y ago

Meliusly Heavy Duty Bunkie Board King Size (76x80) Bed Support Board
- Price
- $130.92
- Rating
- 4.6/5
- Reviews
- 2,058
- Age
- 2y ago

Amazon Basics Smart Box Spring Bed Base 9-Inch Height Sturdy Mattress Foundation Strong Metal Support Tool-Free Easy Assembly King 79L x 75.5W x 9H White
- Price
- $136.96
- Rating
- 4.5/5
- Reviews
- 38,479
- Age
- 7y ago

Amazon Basics Smart Box Spring Bed Base 5-Inch Height Mattress Foundation Tool-Free Easy Assembly King 79 x 75.5 x 5 White
- Price
- $125.88
- Rating
- 4.5/5
- Reviews
- 38,479
- Age
- 7y ago

ALDRICH 7 Inch Heavy Duty Metal Box Spring Mattress Foundation 3000lbs Max Weight Capacity/Non-Slip/No Noise/Easy Assembly/Easy Clean Cover King
- Price
- $93.13
- Rating
- 4.2/5
- Reviews
- 3,663
- Age
- 2y ago
Trending
estimated 90-day click momentum
Beautyrest Standard Cal King Mattress Foundation
- Price
- $122.07
- Rating
- 4.2/5
- Reviews
- 11
- Age
- 7mo ago

Amazon Basics Smart Box Spring Bed Base 9-Inch Height Mattress Foundation Tool-Free Easy Assembly Metal Frame Cal King 83 x 71 x 9 White
- Price
- $142.88
- Rating
- 4.5/5
- Reviews
- 38,479
- Age
- 7y ago

Beautyrest Standard King Mattress Foundation
- Price
- $187.06
- Rating
- 4.2/5
- Reviews
- 11
- Age
- 7mo ago

TROZULER 9 Inch King Size Box Spring Heavy Duty Metal Mattress Foundation 3000 lbs Capacity High Profile Noise-Free Easy Assembly with Fabric Cover
- Price
- $68.92
- Rating
- 4.3/5
- Reviews
- 2,132
- Age
- 9mo ago

ZINUS 9 Inch No Assembly Metal Box Spring Cool Mattress Foundation Sturdy Metal Structure Split King White
- Price
- $241.85
- Rating
- 4.7/5
- Reviews
- 3,964
- Age
- 11y ago
Newest
by launch date
Beautyrest Standard King Mattress Foundation
- Price
- $187.06
- Rating
- 4.2/5
- Reviews
- 11
- Age
- 7mo ago

Beautyrest Standard Cal King Mattress Foundation
- Price
- $122.07
- Rating
- 4.2/5
- Reviews
- 11
- Age
- 7mo ago

Golden Home Essentials Heavy Duty Bunkie Board King 10mm (76 x 80) Non-Slip Grip Low-Profile Mattress Support for Slats or Box Spring Quiet Moisture-Resistant Bed Board
- Price
- $109.82
- Rating
- 4.5/5
- Reviews
- 287
- Age
- 9mo ago

TROZULER 7 Inch King Size Box Spring Heavy Duty Metal Mattress Foundation 3000 lbs Capacity High Profile Noise-Free Easy Assembly with Fabric Cover
- Price
- $61.80
- Rating
- 4.3/5
- Reviews
- 2,132
- Age
- 9mo ago

TROZULER 5 Inch King Size Box Spring Heavy Duty Metal Mattress Foundation 3000 lbs Capacity Low Profile Noise-Free Easy Assembly with Fabric Cover
- Price
- $61.33
- Rating
- 4.3/5
- Reviews
- 2,132
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 48% of clicks. Leaders hold, but buyers still shop past them.
Brands
17 falling
Sellers
17
Est. top-5 brand share
73%
Top 20: 100%
Est. top-5 click share
48%
Top 20: 87%
Open market
21%
- Amazon Basics32%
- ALDRICH14%
- Meliusly13%
- TROZULER8%
- MAF7%
- Zinus6%
Demand
Mattress Foundation King search demand
Weekly searches over the year. Pick a range.
Search terms
Top Mattress Foundation King search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- mattress foundation king14K/yr
- king size foundation12K/yr
- king mattress foundation12K/yr
- king foundation11K/yr
- king size mattress foundation5K/yr
- king bed foundation base4K/yr
- mattress foundation for king size bed4K/yr
Reviews and returns
What reviews say buyers love and hate about Mattress Foundation King
We read the reviews and the return reasons for every product selling here.
“To small”
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
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 Mattress Foundation King 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









