Wealth of Knowledge Mighty Wallet - Tyvek Wallet

The Wealth of Knowledge Mighty Wallet is not your average thin wallet. This handy wallet features helpful equations, calculations and formulas that can be used in your daily life-hacking adventures. ✅ WEIGHTFrom grams to tons (short & long!), plus troy ounces for precious metals. ✅ DATAClear breakdown: Gigabytes vs. Gibibytes (1000 vs. 1024)—finally know your digital storage! ✅ TEMPERATUREQuick °F to °C conversions for weather, cooking, and travel. ✅ MEASUREMENTSInches to cm, feet, yards—plus a detailed fraction-to-decimal-to-mm chart perfect for DIY, crafting, and engineering. ✅ COOKINGTeaspoons to tablespoons, cups to milliliters—bake and cook with confidence, no matter the recipe. ✅ SPEEDMPH to KPH and knots—for drivers, sailors, and travelers. ✅ SCIENCE & ENGINEERINGHandy conversions for Calories to Joules, Horsepower to Watts, and PSI to Pascals. The Mighty Wallet is the perfect gift for the guy who has everything and it even has an actual size ruler at the top and bott