Holy sheet: Calculate how many days you’ve been alive with Google Sheets

Welcome to TNW Basics, a collection of tips, guides, and advice on how to easily get the most out of your gadgets, apps, and other stuff. There are a lot of ways to calculate the number of days between two dates. You could use free online calculators. You could do it programmatically, with coding languages, if it’s needed for a product you’re building. But if you want a solution somewhere in between where you’re not required to code, but do wish to feel some ‘wizardly&rs