---
title: "Grinder — $6.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/grinder"
last_updated: "2026-08-09T02:47:36.454Z"
locale: en
meta:
description: "Niche score 68/100 · $6.5M/yr market · 8.0M searches/yr · $23.30 avg price. Clears our launch bar. Data updated Aug 2026."
"og:description": "Niche score 68/100 · $6.5M/yr market · 8.0M searches/yr · $23.30 avg price. Clears our launch bar. Data updated Aug 2026."
"og:title": "Grinder — $6.5M/yr Amazon US Niche (2026) - Flapen"
---
# **grinder**
**Launch it**
A $6.5M/yr market growing +0.9% this quarter with returns at 2.8% — clears our launch bar.
Market size 99Growth 26Conversion 44Competition 94Returns 55Price range 55Avg price 95Brand share 96Review moat 25Quality gap 68
**Market size**
**Incredible****$6.5M**
$6.5M/yr · 8.0M searches
**Brand share**
**Incredible****33%**
top-5 brand share — no brand owns this niche
**Avg price**
**Incredible****$23.30**
avg listing price — sweet spot $15–$100
**Competition**
**Great****21%**
top-5 click share — an open shelf
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Price range**
**Good****$4.71–$158.57**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+0.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****3,958.75**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, grinder is a $6.5M/yr Amazon United States market (8.0M searches/yr). The top 5 brands hold 33% of demand. Demand peaks in Dec. Verdict: Launch it — 68/100.
Data updated Aug 4, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **grinder market data**
- **Units sold / yr**
- **250K–300K**
- avg 3,000–4,000/product
- **Revenue / yr**
- **$5.8M–$7.0M**
- units × avg price
- **Conversion rate**
- **3.5%**
- **Avg BSR**
- **#77**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **84%**
- **Out of stock**
- **6.8%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
Clicks spread well past the top 5 (21% combined) — an open shelf where new products get seen.
**Brands**
**59 **▲rising
**Sellers**
**320**
**Top-5 brand share**
**33%**
Top 20: 72%
**Top-5 click share**
**21%**
Top 20: 52%
**Open market**
**63%**
- Generic14% - KINGTOP5% - Amazon Basics5% - COOL KNIGHT5% - Wakit Grinders4% - KOZO4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +0.9% search growth over the last 90 days.
225K175KHoliday '24Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/grinder/trend)
## **Top grinder search terms**
- **grinder**2.1M/yr-9.7%1.1% conv. - **spice grinder**1.1M/yr+8.8%3.9% conv. - **grinders for cannabis**677K/yr+73.5%2.4% conv. - **herb grinder**885K/yr+6.0%1.9% conv. - **weed grinder**968K/yr-6.6%2.2% conv. - **grinder for marijuana**944K/yr-43.9%1.9% conv. - **weed grinders for marijuana**259K/yr+15.8%2.3% conv. - **electric grinder**175K/yr-18.4%1.6% conv. - **herb grinder for marijuana**132K/yr+15.4%2.4% conv. - **tobacco grinder**119K/yr+16.7%2.5% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/grinder/search-terms)
## **Top grinder 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.
0%2%$131K4%$262K6%$393K8%$524K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Amazon Basics Fast Electric Coffee Grinder for Home Use Easy to Use Coffee Bean and Spice Grinder with Heavy-Duty Stainless Steel Grind Blades**Amazon Basics**$16.75**4.4★19,177 rev](https://www.amazon.com/dp/B07SYTRPSG) [2**Wakit Grinders Best Electric Grinder (KLR Black)**Wakit Grinders**$48.35**4.6★1,953 rev](https://www.amazon.com/dp/B07YFLQSVN) [3**2.5 Spice Grinder Kitchen Tools**Lanxicat**$10.85**4.2★62 rev](https://www.amazon.com/dp/B0FTXSPNF2) [4![COOL KNIGHT Herb Grinder [large capacity/fast/Electric ]-Spice Herb Coffee Grinder with Pollen Catcher/- 7.5 (Black)](https://m.media-amazon.com/images/I/41oEcyJ+QrL.jpg)**COOL KNIGHT Herb Grinder \[large capacity/fast/Electric \]-Spice Herb Coffee Grinder with Pollen Catcher/- 7.5 (Black)**COOL KNIGHT**$23.71**4.4★9,980 rev](https://www.amazon.com/dp/B08HK6VCXP) [5**BLACK+DECKER One-Touch Coffee & Spice Grinder with Stainless Steel Blades**BLACK+DECKER**$24.01**4.6★19,197 rev](https://www.amazon.com/dp/B07Z8G97PY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2.5 Spice Grinder Kitchen Tools**Lanxicat**$10.85**62 rev3mo ago](https://www.amazon.com/dp/B0FTXSPNF2) [**2.5 Spice Grinder Kitchen Tools (Black)**Generic**$11.80**92 rev5mo ago](https://www.amazon.com/dp/B0GMWH26ZJ) [**KOZO Premium Black Box with Original Grinders Tray and UV Jar. Built-in Lock & Keys - Decorative Storage Box Set - Perfect for Your Accessories (Rustic)**KOZO**$35.11**74 rev6mo ago](https://www.amazon.com/dp/B0GFPXDGN9) [**Cipora Manual Spice & Herb Mill for Kitchen 2.5 Zinc Herb Mill with Bottom Storage Chamber Magnetic Lid for Peppercorns Rosemary Dried Herbs & Seasonings (Black)**Cipora**$12.03**144 rev6mo ago](https://www.amazon.com/dp/B0G1K8DLGS) [**2.5-Inch Zinc Alloy Spice Grinder Compact Portable Design with Storage Compartment Essential Kitchen Tool - red**Generic**$9.83**121 rev7mo ago](https://www.amazon.com/dp/B0GD6ZCHL2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2.5-Inch Zinc Alloy Spice Grinder Compact Portable Design with Storage Compartment Essential Kitchen Tool - red**Generic**$9.83**4.4★**▲ 256%**](https://www.amazon.com/dp/B0GD6ZCHL2) [**2.5 Spice Grinder Kitchen Tools (Black)**Generic**$11.80**4.4★**▲ 191%**](https://www.amazon.com/dp/B0GMWH26ZJ) [**Manual pepper grinder metal grinder - four-layer adjustable grinder (2-inch abstract mushroom pattern)**Generic**$12.03**4.5★**▲ 179%**](https://www.amazon.com/dp/B0FX5HXK11) [**2.5-inch Grinder Heavy-Duty Aluminum Construction Smooth GrindingKitchen Essential (Black)**YHDZSWGZS**$10.12**4.5★**▲ 161%**](https://www.amazon.com/dp/B0G9MR14CY) [**KOZO Premium Black Box with Original Grinders Tray and UV Jar. Built-in Lock & Keys - Decorative Storage Box Set - Perfect for Your Accessories (Rustic)**KOZO**$35.11**4.4★**▲ 158%**](https://www.amazon.com/dp/B0GFPXDGN9)
**~~View all trending →~~**
## **What buyers say about grinder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“Excellent Quality”*
**Value For Money**13%
*“Great Deal”*
**Ease Of Use**11%
*“easy to dump”*
**Efficiency**8%
*“Works efficiently”*
**Advertised Vs Actual Product**8%
*“Better than advertised”*
**Ease Of Cleaning**6%
*“No mess”*
**Durability**4%
*“Durable and easy”*
**Size-Overall**4%
*“Love the size”*
**Strength**4%
*“Cute and sturdy”*
**Design-Overall**2%
*“Beautiful Design”*
### **What buyers complain about **
**Durability**23%
*“Broke within a week”*
**Size-Overall**10%
*“don't fit”*
**Quality-Overall**9%
*“Cheap quality”*
**Functionality-Overall**7%
*“Did not work”*
**Ease Of Cleaning**6%
*“Big mess”*
**Ease Of Use**4%
*“Hard to twist”*
**Advertised Vs Actual Product**2%
*“False advertisement”*
**Value For Money**2%
*“Too expensive also”*
**Strength**2%
*“Not strong enough”*
**Charging**2%
*“Will not hold a charge”*
### **Top return reasons **
**Size-Overall**26%
**Functionality-Overall**25%
**Advertised Vs Actual Product**8%
**Product Condition**6%
**Value For Money**4%
**Durability**4%
**Quality-Overall**2%
**Ease Of Cleaning**2%
**Motor Issues**2%
**Ease Of Use**2%
## **Common questions**
- **Is grinder profitable to sell on Amazon United States?**
- The niche generates $6.5M/yr across 97 tracked products. 21 of 33 products launched in the last 360 days are still selling. 90-day search growth is +0.9%. Flapen's verdict: Launch it (68/100).
- **How competitive is the grinder niche?**
- 59 brands and 320 sellers compete. The top 5 products take 21% of clicks and top 5 brands hold 33% of demand.
- **What do buyers complain about in grinder?**
- Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 2.8%.
- **When does demand for grinder peak?**
- Demand peaks in Dec; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the grinder niche?**
- Listings span $4.71–$158.57; the average listing price is $23.30 (sweet spot $15–$100). The average incumbent carries 3,959 reviews — the moat a new listing must climb.
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