---
title: "Calculator Case — $32K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/calculator-case"
last_updated: "2026-08-11T17:33:58.721Z"
locale: en
meta:
  description: "Niche score 36/100 · $32K/yr market · 77K searches/yr · $14.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 36/100 · $32K/yr market · 77K searches/yr · $14.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Calculator Case — $32K/yr Amazon US Niche (2026) - Flapen"
---

# **calculator case**

**Skip it**

A small market ($32K/yr) — this niche doesn't clear our bar today.

Market size 8Growth 24Conversion 37Competition 58Returns 25Price range 40Avg price 67Brand share 56Review moat 70Quality gap 19

**Review moat**

**Good****719.88**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****$14.05**

avg listing price — sweet spot $15–$100

**Competition**

**Good****50%**

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

**Brand share**

**Good****71%**

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

**Price range**

**Okay****$5.98–$20.93**

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

**Conversion**

**Okay****3.0%**

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

**Returns**

**Bad****5.0%**

return rate — above 5% kills the launch gate

**Growth**

**Bad****-2.2%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$32K**

$32K/yr · 77K searches

**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United States niche tracking, calculator case is a $32K/yr Amazon United States market (77K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Skip it — 36/100.

Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **calculator case market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$42K–$56K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#69**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**88%**</dd>

<dt>**Out of stock**</dt><dd>**1.4%**</dd>

<dt>**Avg brand age**</dt><dd>**55 months**</dd>

<dt>**Avg seller age**</dt><dd>**172 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**16 **▼falling

**Sellers**

**18**

**Top-5 brand share**

**71%**

Top 20: 100%

**Top-5 click share**

**50%**

Top 20: 84%

**Open market**

**23%**

- Elonbo28% - L LTGEM15% - RIYADAone12% - BOVKE9% - Lebakort7% - Baval5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -2.2% search growth over the last 90 days.

7K5KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jul, Aug, Sep · busiest ÷ quietest = 9.4×

[**Open Trend **](https://flapen.com/research/us/electronics/calculator-case/trend)

## **Top calculator case search terms**

- **calculator case**21K/yr+6.0%0.8% conv. - **ti-84 plus ce case**7K/yr+27.6%3.0% conv. - **ti 84 plus ce case**10K/yr-15.3%2.7% conv. - **ti 84 case**8K/yr-5.6%2.8% conv. - **ti84 case**5K/yr-21.2%2.4% conv. - **ti-84 case**4K/yr-4.7%4.0% conv. - **ti 84 graphing calculator case**8K/yr-17.4%3.3% conv. - **graphing calculator case**4K/yr-1.2%1.8% conv. - **ti 84 calculator case**4K/yr-5.0%1.5% conv. - **ti 84 plus case**3K/yr-27.7%2.8% conv. [**All search terms **](https://flapen.com/research/us/electronics/calculator-case/search-terms)

## **Top calculator case 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%5%$2K10%$3K15%$5K20%$6K1101001K10K 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![Elonbo Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI-84 Plus/TI-83 Plus/TI-83 Plus CE Color Graphing Calculator Extra Mesh Pocket Fits Charging Cable Charger Manual Black](https://m.media-amazon.com/images/I/51nx2p+3WvL.jpg)**Elonbo Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI-84 Plus/TI-83 Plus/TI-83 Plus CE Color Graphing Calculator Extra Mesh Pocket Fits Charging Cable Charger Manual Black**Elonbo**$12.31**4.8★507 rev](https://www.amazon.com/dp/B09TQZ9X1W) [2![Elonbo Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI-84 Plus/TI-83 Plus/TI-83 Plus CE Color Graphing Calculator Extra Mesh Pocket Fits Charging Cable Charger Manual Rose Gold](https://m.media-amazon.com/images/I/51Fi91no9CL.jpg)**Elonbo Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI-84 Plus/TI-83 Plus/TI-83 Plus CE Color Graphing Calculator Extra Mesh Pocket Fits Charging Cable Charger Manual Rose Gold**Elonbo**$11.68**4.8★507 rev](https://www.amazon.com/dp/B0F834DJ7W) [3![Hard Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-85 /TI-86 /TI30xs /TI36X Pro/TI 34 Color Graphing Calculator (White)](https://m.media-amazon.com/images/I/41HTuagGhmL.jpg)**Hard Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-85 /TI-86 /TI30xs /TI36X Pro/TI 34 Color Graphing Calculator (White)**L LTGEM**$11.34**4.6★400 rev](https://www.amazon.com/dp/B0D477MVB8) [4![Lebakort Hard Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-84 Evo/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89 Titanium/TI-85 / TI-86 Color Graphing Calculator (Black)](https://m.media-amazon.com/images/I/518k4DNydZL.jpg)**Lebakort Hard Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-84 Evo/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89 Titanium/TI-85 / TI-86 Color Graphing Calculator (Black)**Lebakort**$16.78**4.8★343 rev](https://www.amazon.com/dp/B0CZX4FXNR) [5![BOVKE Hard Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/TI-83 Plus/Casio fx-9750GIII Graphing Calculator Extra Pocket for USB Cables Manual Pencil Ruler Black](https://m.media-amazon.com/images/I/51E4fTgQcqL.jpg)**BOVKE Hard Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/TI-83 Plus/Casio fx-9750GIII Graphing Calculator Extra Pocket for USB Cables Manual Pencil Ruler Black**BOVKE**$12.84**4.7★6,084 rev](https://www.amazon.com/dp/B01HIPOCYE)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![YouKnow PU Leather Protective Case Compatible with Texas Instruments TI-84 Plus CE Color Graphing Calculator with ID Card Slot (Only Case) (Black)](https://m.media-amazon.com/images/I/41sKj6VQXEL.jpg)**YouKnow PU Leather Protective Case Compatible with Texas Instruments TI-84 Plus CE Color Graphing Calculator with ID Card Slot (Only Case) (Black)**YouKnow**$20.93**40 rev11mo ago](https://www.amazon.com/dp/B0FK5LGKYQ) [![Anleo Hard Travel Case for Texas Instruments TI-30XIIS / TI-30X IIS 2-Line Scientific Calculator (Black)](https://m.media-amazon.com/images/I/41nimcLQ+jL.jpg)**Anleo Hard Travel Case for Texas Instruments TI-30XIIS / TI-30X IIS 2-Line Scientific Calculator (Black)**Anleo**$8.58**7 rev1y ago](https://www.amazon.com/dp/B0FCLS359J) [![co2CREA Carrying Case for Texas Instruments TI-84 Plus CE Python/TI-84 Evo/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89 Titanium Color Graphing Calculator Fractal Frost Case](https://m.media-amazon.com/images/I/51WahFzavoL.jpg)**co2CREA Carrying Case for Texas Instruments TI-84 Plus CE Python/TI-84 Evo/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89 Titanium Color Graphing Calculator Fractal Frost Case**co2CREA**$17.45**1,025 rev1y ago](https://www.amazon.com/dp/B0F93NLD87) [![BOVKE Hard Travel Case for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/TI-83 Plus/Casio fx-9750GIII Graphing Calculator Mesh Pocket for USB Cables Manual Pens Accessories Rosegold](https://m.media-amazon.com/images/I/511vPKa+ceL.jpg)**BOVKE Hard Travel Case for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/TI-83 Plus/Casio fx-9750GIII Graphing Calculator Mesh Pocket for USB Cables Manual Pens Accessories Rosegold**BOVKE**$12.21**6,084 rev1y ago](https://www.amazon.com/dp/B0F8HBFBN5) [![Elonbo Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI-84 Plus/TI-83 Plus/TI-83 Plus CE Color Graphing Calculator Extra Mesh Pocket Fits Charging Cable Charger Manual Rose Gold](https://m.media-amazon.com/images/I/51Fi91no9CL.jpg)**Elonbo Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI-84 Plus/TI-83 Plus/TI-83 Plus CE Color Graphing Calculator Extra Mesh Pocket Fits Charging Cable Charger Manual Rose Gold**Elonbo**$11.68**507 rev1y ago](https://www.amazon.com/dp/B0F834DJ7W)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![ZORETCO Hard Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus (Case Only)](https://m.media-amazon.com/images/I/41rUnj7VFNL.jpg)**ZORETCO Hard Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus (Case Only)**ZORETCO**$5.98**4.6★**▲ 603%**](https://www.amazon.com/dp/B0F191R93T) [![Anleo Hard Travel Case for Texas Instruments TI-30XIIS / TI-30X IIS 2-Line Scientific Calculator (Black)](https://m.media-amazon.com/images/I/41nimcLQ+jL.jpg)**Anleo Hard Travel Case for Texas Instruments TI-30XIIS / TI-30X IIS 2-Line Scientific Calculator (Black)**Anleo**$8.58**5.0★**▲ 369%**](https://www.amazon.com/dp/B0FCLS359J) [![Elonbo Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI-84 Plus/TI-83 Plus/TI-83 Plus CE Color Graphing Calculator Extra Mesh Pocket Fits Charging Cable Charger Manual Rose Gold](https://m.media-amazon.com/images/I/51Fi91no9CL.jpg)**Elonbo Carrying Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI-84 Plus/TI-83 Plus/TI-83 Plus CE Color Graphing Calculator Extra Mesh Pocket Fits Charging Cable Charger Manual Rose Gold**Elonbo**$11.68**4.8★**▲ 344%**](https://www.amazon.com/dp/B0F834DJ7W) [![Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI 84 Plus/TI-Nspire CX II CAS/TI-Nspire CX II Graphing Calculator Mesh Pocket for Charging Cables Pens and Rule(Black)](https://m.media-amazon.com/images/I/61p9rccJs4L.jpg)**Case for Texas Instruments TI-84 Plus CE/TI-84 Evo/TI 84 Plus/TI-Nspire CX II CAS/TI-Nspire CX II Graphing Calculator Mesh Pocket for Charging Cables Pens and Rule(Black)**L LTGEM**$15.49**4.6★**▲ 251%**](https://www.amazon.com/dp/B0C536YK7M) [![RIYADAone Hard Case Replacement for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-84 Evo/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89/TI-85/TI-86 Color Graphing Calculator (Mint Green Case)](https://m.media-amazon.com/images/I/51jiRLmyFEL.jpg)**RIYADAone Hard Case Replacement for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-84 Evo/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89/TI-85/TI-86 Color Graphing Calculator (Mint Green Case)**RIYADAone**$18.03**4.7★**▲ 249%**](https://www.amazon.com/dp/B0F7JV6Y4W)

**~~View all trending →~~**

## **What buyers say about calculator case**

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

### **What buyers love **

**Quality-Overall**13%

*“Great product”*

**Size-Overall**13%

*“Good fit”*

**Strength**12%

*“Case is rugged and roomy”*

**Drop/Impact Protection**9%

*“Best protective case and Reminder”*

**Value For Money**6%

*“Affordable”*

**Storage Capacity**5%

*“feel of this storage case”*

**Advertised Vs Actual Product**4%

*“works even better than I expected”*

**Durability**4%

*“Durable”*

**Design-Overall**4%

*“well designed”*

**Portability**3%

*“Very portable my calculator fits like a glove inside it”*

### **What buyers complain about **

**Functionality-Overall**20%

*“No calculator whoops”*

**Value For Money**20%

*“it is for very expensive calculator”*

**Zipper Quality**10%

*“the zipper snapped off after approximately 6 months of ownership”*

**Size-Overall**10%

*“I thought my high-school daughter was definitely going to balk about it being too big”*

**Moist/Dry**7%

*“it was dry”*

### **Top return reasons **

**Size-Overall**46%

**Color**9%

**Advertised Vs Actual Product**8%

**Weight Heavy**6%

**Value For Money**5%

**Material Quality**4%

**Quality-Overall**3%

**Compatibility-Overall**3%

**Product Condition**2%

**Defective Material/Parts**2%

## **Common questions**

<dl>

<dt>**Is calculator case profitable to sell on Amazon United States?**</dt><dd>The niche generates $32K/yr across 33 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.2%. Flapen's verdict: Skip it (36/100).</dd>

<dt>**How competitive is the calculator case niche?**</dt><dd>16 brands and 18 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 71% of demand.</dd>

<dt>**What do buyers complain about in calculator case?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Value For Money, Zipper Quality. The return rate is 5.0% — above our launch gate.</dd>

<dt>**When does demand for calculator case peak?**</dt><dd>Demand peaks in Jul–Aug–Sep; the busiest month runs 9.4× the quietest.</dd>

<dt>**What does it cost to enter the calculator case niche?**</dt><dd>Listings span $5.98–$20.93; the average listing price is $14.05 (sweet spot $15–$100). The average incumbent carries 720 reviews — the moat a new listing must climb.</dd>

</dl>

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