Oura Ring 5 Sizing Kit Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Oura Ring 5 Sizing Kit sales on Amazon US totaled 74,050 units in July 2026 (▼ 28.6% vs. the prior month), generating an estimated $3,332,205 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 86.4% of unit volume and 37.7% of revenue, while a typical listing is priced at $65.30. The keyword itself pulled 41,171 Amazon queries over the same period (▼ 27.7% MoM).
Zooming out to the 12-month window ending July 2026, the oura ring 5 sizing kit Top 50 moved 707,500 units and $37,893,419 in cumulative sales — an average of 58,958 units and $3,157,785 per month. Monthly throughput topped out at 103,650 units in June 2026 and dipped to 32,750 in May 2026, leaving the latest reading 56.1% higher than August 2025.
Oura Ring 5 Sizing Kit Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
74K
▼ 28.6% MoM
Monthly Revenue 2026/07
$3.3M
▼ 67.3% MoM
Top 10 Market Share 2026/07
86.4%
Oura Ring 5 Sizing Kit Market Share & Sales Concentration on Amazon US — July 2026
The most-sold oura ring 5 sizing kit listing on Amazon US in July 2026 is ASIN B0GRKC9NJP (Brand: OURA), which sold 10,000 units at $10.00 apiece — equal to 13.5% of every unit tracked in this report.
The Top 10 ASINs account for 64,000 units and $1,255,620 in July 2026 — 86.4% of unit volume and 37.7% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Oura Ring 5 Sizing Kit' on Amazon
July 2026
Is 86.4% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B0GRKC9NJP
OURA Ring 5 Sizing Kit - Size Before You Buy Ring 5 | Unique Sizing, Not Standard Ring Sizing - Receive Amazon Credit for Oura Ring 5 Purchase
10K
▲ 0.0%vs. prior month
$100K
latest month
12-month trend
B0CX8Z72F4
Bflaae Ring Sizer Measuring Tool Kit, 27 PCS Stainless Steel Measuring Ring Tool, US Ring Size 0-13 with Half Size, 2 PCS Reusable Finger Size Tape with Magnified Glass 1-17 USA Rings Size
10K
▲ 11.1%vs. prior month
$49.9K
latest month
12-month trend
B0DHX4K6CX
Ring Sizer Measuring Tool Kit, Ring Mandrel Measurer, 27 PCS Premium Steel Measuring Ring Tool, US Ring Size 0-13, 2 PCS Reusable Finger Size 1-17 USA Rings Size with Magnified Glass
9K
▲ 28.6%vs. prior month
$89.9K
latest month
12-month trend
B0DNJ358D5
Ring Sizer Measuring Tool Kit Upgraded, 27 PCS Stainless Steel Measuring Ring Tool, US Ring Size 0-13 with Half Size, 2 PCS Reusable Finger Size 1-17 USA Rings Size with Magnified Glass
9K
▲ 28.6%vs. prior month
$53.9K
latest month
12-month trend
B0GVJQKTH5
RingConn Gen 3 Sizing Kit - Size Before You Buy (Sizes 6-15) | Exclusive to RingConn Gen 3 | 10 Sizes Included for Accurate Fitting | Find Your Perfect Fit
8K
▼ 20.0%vs. prior month
$12K
latest month
12-month trend
B0GRK5GMTS
OURA Ring 5 Gifting Sizing Kit - Give the Gift of Oura | Unique Sizing, Give The Gift of Health
6K
▲ 20.0%vs. prior month
$60K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Oura Ring 5 Sizing Kit Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
OURA is the best-performing oura ring 5 sizing kit brand in July 2026, moving 22,000 units across 4 ASINs for 34.4% of Top 10 volume. Bflaae follows with 10,000 units (15.6%), ahead of MYEBIUAI on 9,000 units (14.1%).
With 7 brands splitting the Top 10 and 64.1% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $4.99 to $106.87, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
OURA
4 ASINs in Top 10
34.4%
Units
22K
Revenue
$992K
Avg. price
$106.87
B0GRKC9NJP
$10.00·★4.6·694 revsOURA Ring 5 Sizing Kit - Size Before You Buy Ring 5 | Unique Sizing, Not Standard Ring Sizing - Receive Amazon Credit for Oura Ring 5 Purchase
Units sold10KB0GRK5GMTS
$10.00·★4.4·80 revsOURA Ring 5 Gifting Sizing Kit - Give the Gift of Oura | Unique Sizing, Give The Gift of Health
Units sold6KB0D9WVWXR1
$8.49·★4.5·4K revsOURA Ring 4 Sizing Kit - Size Before You Buy the Ring 4 | Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Oura Ring 4 Purchase
Units sold4KB0GRJZZ885
$399.00·★4.4·1.7K revsOURA Oura Ring 5 Smart Ring - Silver - Size 10 - Fitness & Sleep Tracker | World’s Smallest Smart Ring, Activity, Women's Health, AI Advisor, 1 Week Battery Life, IP68 Waterproof, Size Before You Buy
Units sold2K
Bflaae
1 ASIN in Top 10
15.6%
Units
10K
Revenue
$49.9K
Avg. price
$4.99
B0CX8Z72F4
$4.99·★4.6·3K revsBflaae Ring Sizer Measuring Tool Kit, 27 PCS Stainless Steel Measuring Ring Tool, US Ring Size 0-13 with Half Size, 2 PCS Reusable Finger Size Tape with Magnified Glass 1-17 USA Rings Size
Units sold10K
MYEBIUAI
1 ASIN in Top 10
14.1%
Units
9K
Revenue
$89.9K
Avg. price
$9.99
B0DHX4K6CX
$9.99·★4.7·2K revsRing Sizer Measuring Tool Kit, Ring Mandrel Measurer, 27 PCS Premium Steel Measuring Ring Tool, US Ring Size 0-13, 2 PCS Reusable Finger Size 1-17 USA Rings Size with Magnified Glass
Units sold9K
Trending Oura Ring 5 Sizing Kit Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 3 ASINs forced its way in: B0CPL4XB7G booked 4K units at $9.99, with ▼ 20.0% MoM change.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0CPL4XB7G
Meowoo Ring Sizer Measuring Tool Set, Ring Gauges with Finger Sizer Mandrel Ring Sizer Tools for Jewelry Sizing Measuring, 4 pcs, Silvery
Price
$9.99
Rating
4.7
Reviews
2.5K
Latest month sales
B071KF9BD6
NIUPIKA Ring Sizer Measuring Tool Ring Mandrel Ring Measurer Ring Sizing Kit Measure Finger Size Measurement Tool Set Metal Gauge US Size 1-13 Jewelry Sizers Kit of 27 Pieces
Price
$8.99
Rating
4.7
Reviews
4.4K
Latest month sales
B0GRJZZ885
OURA Oura Ring 5 Smart Ring - Silver - Size 10 - Fitness & Sleep Tracker | World’s Smallest Smart Ring, Activity, Women's Health, AI Advisor, 1 Week Battery Life, IP68 Waterproof, Size Before You Buy
Unlock to view ASIN details and product titles
Price
$399.00
Rating
4.4
Reviews
1.7K
Latest month sales
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