---
product_id: 447968854
title: "The Pocket Physicist - Wallet Ruler and Unit Conversion Reference for Physics College Students and PhD Graduates - 3 inch Homework Helper STEM School Supplies"
brand: "genius lab gear"
price: "$50.18"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/447968854-the-pocket-physicist-wallet-ruler-and-unit-conversion-reference-physics
store_origin: EC
region: Ecuador
---

# 3-inch stainless steel ruler Instant physics constants & unit conversions Precision protractor & compass combo The Pocket Physicist - Wallet Ruler and Unit Conversion Reference for Physics College Students and PhD Graduates - 3 inch Homework Helper STEM School Supplies

**Brand:** genius lab gear
**Price:** $50.18
**Availability:** ✅ In Stock

## Summary

> 🧠 Carry Genius Everywhere: Your Pocket Physicist, Ready for Every Eureka Moment!

## Quick Answers

- **What is this?** The Pocket Physicist - Wallet Ruler and Unit Conversion Reference for Physics College Students and PhD Graduates - 3 inch Homework Helper STEM School Supplies by genius lab gear
- **How much does it cost?** $50.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/447968854-the-pocket-physicist-wallet-ruler-and-unit-conversion-reference-physics)

## Best For

- genius lab gear enthusiasts

## Why This Product

- Trusted genius lab gear brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **The Ultimate STEM Gift:** Perfect for students, professors, and professionals—stand out with a tool that inspires genius.
- • **Pocket-Sized Powerhouse:** Credit card-sized multitool fits effortlessly in your wallet or lab coat.
- • **Built to Last a Lifetime:** Durable stainless steel construction designed to withstand years of study and research.
- • **Physics at Your Fingertips:** Laser-engraved essential constants and equations eliminate frantic searches during crunch time.
- • **Precision Meets Practicality:** Laser-cut ruler with metric & imperial units, 5° accurate protractor, and compass for flawless sketches.

## Overview

The Genius Lab Gear Pocket Physicist is a durable, credit card-sized stainless steel multitool combining a 3-inch ruler, protractor, compass, and essential physics constants. Designed for physics students, educators, and professionals, it offers quick access to unit conversions and equations, making it an indispensable companion from classroom homework to advanced research.

## Description

Genius Lab Gear The Pocket Physicist - Wallet Ruler and Unit Conversion Reference for Physics College Students and PhD Graduates - 3 inch Homework Helper STEM School Supplies

## Features

- Credit Card-Sized Multitool for Physicists: This stainless-steel laser-cut pocket tool includes a straight-edge ruler, protractor, and a compass. From Physics 101 to PhD lab work, it’s the ultimate at-work companion. Metric or inches? No problem. Draft theories, calculate results, and save time! Perfect for students, professors, physics majors, and AP Physics teachers. Surprise your boyfriend, dad, or gadget-loving friends with a unique gift. Also an ideal stocking stuffer or graduation gift!
- Packed with Physics Reference Info: Never look up a basic physics equation, physical constant or unit conversion again. This stainless steel card isn’t just a simple tool—it’s a knowledge hub. Imagine having essential physics references at your fingertips. Whether you’re a student, scientist, or curious mind, this card eliminates the need to search for basic equations or constants. No more frantic Google searches or flipping through textbooks. Need Planck's constant? The mass of a proton? Done.
- Ready to Draw Your Newest Idea: Genius can strike at any moment. Always be ready to take action on your ideas with precise measurements, dimensions checks and important equations. Perfect for equation proofs, quick calculations and sketching out new theories. The straight edge is both metric and English units. The protractor measures has 5 degree accuracy and the compass lets you draw arcs in half centimeter or quarter inch increments!
- Thoughtful and Practical: Reference info stays useful for a long career. Give a professional, student or budding young engineer a unique, thoughtful and practical gift for homework to cutting-edge research. So, whether you’re measuring the speed of light, collaborating on cutting-edge experiments, or sketching out quantum theories, this gift is more than a tool—it’s inspiration. Ideal for physics majors, physics teachers, and a corporate employee gift for professional physicists.
- Lasts a Lifetime: The laser-etched solid stainless steel ruler, laser-cut protractor, and the laser-engraved reference info lasts forever. Whether you’re a seasoned scientist or a curious astrophysics student, From late-night study sessions to advanced lab work, it’s your trusty sidekick. This card thrives in the messy, unpredictable world of research, experiments, and everyday life. So, whether you’re measuring the cosmos or sketching out, this stainless steel card is here for the long haul.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09WKPXXRL |
| Best Sellers Rank | #137,139 in Office Products ( See Top 100 in Office Products ) #506 in Drafting Tools & Drafting Kits |
| Brand Name | Genius Lab Gear |
| Color | Black |
| Customer Reviews | 4.8 4.8 out of 5 stars (73) |
| Global Trade Identification Number | 00860004040354 |
| Graduation Range | 1/32 Inches |
| Item Dimensions L x W | 2.25"L x 3.5"W |
| Item Thickness | 0.03 Inches |
| Item Weight | 0.5 Ounces |
| Manufacturer | Genius Lab Gear |
| Material Type | Alloy Steel |
| Model | TPP001 |
| Part Number | TPP001 |
| Style Name | Modern |
| Unit Count | 1.0 Count |

## Product Details

- **Material:** Plastic
- **Brand:** Genius Lab Gear
- **Colour:** Black
- **Style:** Modern
- **Graduation range:** 1/32 Inches

## Images

![The Pocket Physicist - Wallet Ruler and Unit Conversion Reference for Physics College Students and PhD Graduates - 3 inch Homework Helper STEM School Supplies - Image 1](https://m.media-amazon.com/images/I/81tDqW5KjvL.jpg)

## Questions & Answers

**Q: Why do Physicists and Physics Majors need this?**
A: Physics lovers do quick calculations and sketches of their theories and homework. With this multitool, they can skip distracting internet searches for constants and unit conversions, plus the drafting tools lets them sketch quickly and accurately!

**Q: What writing instruments can you use with this multitool?**
A: The precision-cut compass and protractor cutouts are designed to accommodate most 0.7mm pens, pencils, and smaller writing tools. You won’t have to worry about slicing your pencil lead while using it.

**Q: How does having physics reference info directly on the tool save time?**
A: The multitool’s design cleverly embeds crucial physics data—such as standard equations, physical constants, & unit conversions—directly onto its surface. You can instantly reference values like Planck’s constant without halting your workflow.

**Q: What distinguishes this multitool as a thoughtful gift for both students and seasoned professionals?**
A: The multitool isn’t just a gadget; it’s a compact physics lab in your pocket. For students & professors alike, this tool offers immediate access to measurement instruments & reference information that fuels learning & research.

**Q: Can this tool withstand the everyday rigors of scientific work and last a lifetime?**
A: Made from robust, laser-etched stainless steel, the multitool is engineered for longevity. The ruler, protractor, & reference info—are ensured they remain legible & intact, whether you’re in a hectic lab environment or at late-night study sessions.

## Frequently Bought Together

- The Pocket Physicist - Small Metal Physics Metric Ruler Scale, Gadget Multi-Tool, Techie/Geeks/Nerds Cool STEM Tech Student Graduation Gift, Unique College Homework Mini 3 Inch Tool - Genius Lab Gear
- The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear
- The Pocket Scientist - Small Metal Science Ruler Scale, Cool Tech Gadget Mini Multitool, Unique Techie/Geek/Nerdy STEM College Student Graduation Gift, 3 Inch Metric Imperial Tool Kit- Genius Lab Gear

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ec/products/447968854-the-pocket-physicist-wallet-ruler-and-unit-conversion-reference-physics](https://www.desertcart.ec/products/447968854-the-pocket-physicist-wallet-ruler-and-unit-conversion-reference-physics)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-07-31*