In this episode of the Language and Travel Hacking Podcast, I share my quick hacks for unit conversions while traveling. For temperatures, I use my “rule of five” system to convert between Celsius and Fahrenheit. It’s based on five key Celsius points—0, 10, 20, 30, and 40—and their easy-to-remember Fahrenheit equivalents, all tied to the number five. This shortcut isn’t perfect, but it’s simple enough to check the weather at a glance without pulling out a calculator or app.
I also explain my trick for converting kilograms to pounds without multiplying by 2.2. Instead, I just double the number and add 10 percent, which makes the math fast and practical in real-life situations. These two systems help me adapt smoothly between measurement systems, and I hope they’ll be just as useful for you on your travels.
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