---
title: "Cal — $38K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/cal"
last_updated: "2026-08-09T18:33:22.873Z"
locale: en
meta:
description: "Niche score 37/100 · $38K/yr market · 1.0M searches/yr · $22.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $38K/yr market · 1.0M searches/yr · $22.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cal — $38K/yr Amazon US Niche (2026) - Flapen"
---
# **cal**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 10Growth 23Conversion 2Competition 2Returns 100Price range 90Avg price 95Brand share 0Review moat 96Quality gap 75
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Incredible****87.17**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$22.91**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.23–$56.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-3.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$38K**
$38K/yr · 1.0M searches
**Conversion**
**Bad****0.2%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****97%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, cal is a $38K/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cal market data**
- **Units sold / yr**
- **2K–2K**
- avg 250–500/product
- **Revenue / yr**
- **$34K–$46K**
- units × avg price
- **Conversion rate**
- **0.2%**
- **Avg BSR**
- **#383**
- **Page quality**
- **0%**
- **Prime**
- **17%**
- **Sponsored**
- **67%**
- **Out of stock**
- **19.2%**
- **Avg brand age**
- **79 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**5**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**97%**
Top 20: 100%
**Open market**
**0%**
- YERBERO39% - generic33% - Unearthed25% - Generic3%
## **Demand & seasonality**
Weekly Amazon search volume, last 57 weeks — -3.5% search growth over the last 90 days.
30K20KHoliday '25 seasonJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/cal/trend)
## **Top cal search terms**
- **cal**1.0M/yr-3.6%0.1% conv. - **cal para nixtamal**8K/yr-3.8%2.5% conv. - **cal mexicana**5K/yr+41.2%2.1% conv. - **cal para cocinar maiz**2K/yr-6.1%1.4% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/cal/search-terms)
## **Top cal 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%10%$4K20%$8K30%$11K40%$15K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Yerbero - Mexican Cal (Lime Powrder) 4 oz (114 gr) | Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.**YERBERO**$13.08**4.4★221 rev](https://www.amazon.com/dp/B0BXZ84VGZ) [2**Fine-Soft White Ground Limestone Powder All Natural Lime for Lawns and Chicken Coop Calcium Carbonate Rock Dust Fine Powder for Industry and Agriculture - (50 lb)**Unearthed**$56.44**4.6★242 rev](https://www.amazon.com/dp/B09CHDTJ2F) [3**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 5 Lb**generic**$24.77**4.4★18 rev](https://www.amazon.com/dp/B0G4NFCKQJ) [4**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 2.5 Lb**generic**$12.82**4.4★18 rev](https://www.amazon.com/dp/B0GWKBK29Z) [5**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 1 Lb**generic**$12.23**4.4★18 rev](https://www.amazon.com/dp/B0GWKGNRQ4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 2.5 Lb**generic**$12.82**18 rev3mo ago](https://www.amazon.com/dp/B0GWKBK29Z) [**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 1 Lb**generic**$12.23**18 rev3mo ago](https://www.amazon.com/dp/B0GWKGNRQ4) [**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 5 Lb**generic**$24.77**18 rev7mo ago](https://www.amazon.com/dp/B0G4NFCKQJ) [**Yerbero - Mexican Cal (Lime Powrder) 4 oz (114 gr) | Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.**YERBERO**$13.08**221 rev3y ago](https://www.amazon.com/dp/B0BXZ84VGZ) [**5oz Mexican Cal (Lime Powder) Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.**Generic**$18.11**6 rev3y ago](https://www.amazon.com/dp/B0FXTFZM8D)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 2.5 Lb**generic**$12.82**4.4★**▲ 253%**](https://www.amazon.com/dp/B0GWKBK29Z) [**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 1 Lb**generic**$12.23**4.4★**▲ 252%**](https://www.amazon.com/dp/B0GWKGNRQ4) [**Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 5 Lb**generic**$24.77**4.4★**▲ 157%**](https://www.amazon.com/dp/B0G4NFCKQJ) [**Fine-Soft White Ground Limestone Powder All Natural Lime for Lawns and Chicken Coop Calcium Carbonate Rock Dust Fine Powder for Industry and Agriculture - (50 lb)**Unearthed**$56.44**4.6★**▲ 24%**](https://www.amazon.com/dp/B09CHDTJ2F) [**Yerbero - Mexican Cal (Lime Powrder) 4 oz (114 gr) | Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.**YERBERO**$13.08**4.4★**▼ 31%**](https://www.amazon.com/dp/B0BXZ84VGZ)
**~~View all trending →~~**
## **What buyers say about cal**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**100%
*“Worked as expected”*
## **Common questions**
- **Is cal profitable to sell on Amazon United States?**
- The niche generates $38K/yr across 6 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Skip it (37/100).
- **How competitive is the cal niche?**
- 4 brands and 5 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- **When does demand for cal peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the cal niche?**
- Listings span $12.23–$56.44; the average listing price is $22.91 (sweet spot $15–$100). The average incumbent carries 87 reviews — the moat a new listing must climb.
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