Is body fat measurement device profitable to sell on Amazon United States?

The niche generates $427K/yr across 31 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is +4.7%. Flapen's verdict: Worth a look (54/100).

How competitive is the body fat measurement device niche?

17 brands and 49 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 65% of demand.

What do buyers complain about in body fat measurement device?

Top complaints mined from reviews: Measurement/Reading Accuracy, Durability, Accuracy-Overall. The return rate is 2.5%.

When does demand for body fat measurement device peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the body fat measurement device niche?

Listings span $4.83–$262.79; the average listing price is $50.61 (sweet spot $15–$100). The average incumbent carries 36,198 reviews — the moat a new listing must climb.

body fat measurement device

Worth a look

Shows a sweet-spot price point ($50.61 avg), but a deep review moat (36,198 avg reviews) keeps it on the watch list.

Avg price

Great$50.61

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Good65%

top-5 brand share — brands hold most of the demand

Competition

Good47%

top-5 click share — leaders hold, buyers still browse

Returns

Good2.5%

return rate — above 5% kills the launch gate

Market size

Good$427K

$427K/yr · 288K searches

Conversion

Okay2.9%

search→purchase rate — share of searches ending in a sale

Price range

Okay$4.83–$262.79

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Okay+4.7%

90-day search growth — must beat 0% to launch

Review moat

Bad36,198.35

avg incumbent reviews — the moat a new listing must climb

Signals No Dominant Brand High Price

According to Flapen's Amazon United States niche tracking, body fat measurement device is a $427K/yr Amazon United States market (288K searches/yr). The top 5 brands hold 65% of demand. Verdict: Worth a look — 54/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

body fat measurement device market data

Units sold / yr: 8K–10K; avg 250–500/product
Revenue / yr: $405K–$506K; units × avg price
Conversion rate: 2.9%
Avg BSR: #322
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 2.6%
Avg brand age: 54 months
Avg seller age: 169 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

47%

Top 20: 91%

Open market

26%

Etekcity16%
RENPHO14%
Omron13%
GE11%
Accu-Measure11%
MEDca9%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top body fat measurement device search terms

body fat measurement device120K/yr -1.1%3.1% conv.
body fat calculator tool8K/yr >1,000%0.3% conv.
bmi calculator16K/yr +122.6%0.3% conv.
body fat analyzer13K/yr +46.1%0.8% conv.
body fat19K/yr -13.3%2.1% conv.
body fat monitors16K/yr -4.0%2.5% conv.
bmi measurement tool17K/yr -19.4%3.3% conv.
medidor de grasa corporal13K/yr -21.9%2.1% conv.
bmi12K/yr -1.9%2.0% conv.
fat measurement device12K/yr -12.6%3.8% conv.

All search terms

Top body fat measurement device products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Omron HBF-306C Handheld Body Fat Loss Monitor

Omron$262.794.3★4,385 rev

Accu-Measure Fitness 3000 Body Fat Caliper

Accu-Measure$10.124.1★4,078 rev

MEDca Body Fat Caliper and Measuring Tape for Body - Skinfold Calipers and Body Fat Tape Measure Tool for Accurately Measuring BMI Skin Fold Fitness and Weight-Loss (Black)

MEDca$8.774.0★6,284 rev

Etekcity Smart Scale for Body Weight FSA&HSA Eligible Bathroom Digital Weighing Scale with BMI Body Fat Muscle Mass Accurate Bluetooth Home User Health Equipment Sync Apps LED Tempered glass

Etekcity$20.954.7★140,092 rev

Sequoia Trimcal 4000 Body Fat Caliper with Tape Measure - Precision (Dual-Sided Design) for Fitness Tracking - Color Black & Black

TrimCal 4000$19.874.3★165 rev

Newest

by launch date

LOFTILLA Smart Scale for Body Weight Accurate Scale with BMI Body Fat Muscle Mass 8-in-1 Large Display Digital Bathroom Scales for 14 Body Composition Metrics Sync with Fitness App Black

LOFTILLA$41.0915,135 rev

4mo ago

Arboleaf Smart Scale for Body Weight 8-Electrode Dual-Frequency BIA Digital Bathroom Scale 7-in-1 Display for BMI Body Fat & Muscle Mass 50+ Metrics in App Body Composition Analyzer

arboleaf$101.2518,171 rev

5mo ago

GE Smart Scale for Body Weight: 8-Electrode Body Pod Fat Monitor with Full Body Composition Analysis Bluetooth App Sync Large Handle Display 400lb Capacity Bathroom Scale for Home & Gym Black

GE$107.501,103 rev

8mo ago

Professional High-Accuracy Body Fat Caliper with Dual Metric/Imperial Scale Dual Scale Skinfold Measure for Men & Women - Easy Portable Fat Percentage Tester Home/Gym Use (Black)

BUBBLE-FLY$4.8325 rev

8mo ago

RENPHO Smart Scale for Body Weight FSA&HSA Eligible 8-Electrode Body Composition Scale with BMI Body Fat Muscle Mass Rechargeable Body Fat Scale with Handle MorphoScan Nova Dark Blue

RENPHO$191.1210,100 rev

9mo ago

What buyers say about body fat measurement device

What buyers praise and complain about, mined from review topics.

What buyers love

Health Monitoring13%

“Great Health Tool”

Accuracy-Overall12%

“Accuracy is spot on”

Value For Money12%

“Fair price”

Ease Of Use11%

“Easy to put on”

Quality-Overall10%

“Great quality and exactly as described”

Advertised Vs Actual Product5%

“As described”

Weight Loss4%

“Perfect for my weight loss”

Efficiency3%

“Works as advertised”

Assembly/Installation3%

“Easy to use and install”

Connectivity-Overall3%

“Easy to Connect”

What buyers complain about

Measurement/Reading Accuracy18%

“Accuracy questionable at best”

Durability13%

“broke after a week”

Accuracy-Overall7%

“Not Accurate”

Functionality-Overall7%

“Barely works”

Connectivity-Overall5%

“Bluetooth does not connect”

Battery Life5%

“Battery life is terrible”

Software/Application5%

“The app is terrible”

Ease Of Use4%

“very difficult to read”

Quality-Overall4%

“Bad quality”

Value For Money3%

“Waste of money”

Top return reasons

Measurement/Reading Accuracy23%

Functionality-Overall13%

Size-Overall13%

Advertised Vs Actual Product7%

Connectivity-Overall7%

Value For Money5%

Accuracy-Overall5%

Software/Application4%

Waist Fit2%

Ease Of Use2%

Common questions

Is body fat measurement device profitable to sell on Amazon United States?: The niche generates $427K/yr across 31 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is +4.7%. Flapen's verdict: Worth a look (54/100).
How competitive is the body fat measurement device niche?: 17 brands and 49 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in body fat measurement device?: Top complaints mined from reviews: Measurement/Reading Accuracy, Durability, Accuracy-Overall. The return rate is 2.5%.
When does demand for body fat measurement device peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the body fat measurement device niche?: Listings span $4.83–$262.79; the average listing price is $50.61 (sweet spot $15–$100). The average incumbent carries 36,198 reviews — the moat a new listing must climb.