Learn how to track your calories for free with a simple Google Sheets spreadsheet. In this video, we walk you through how to build a calorie counter that calculates daily, weekly, and monthly totals ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. October 10, 2022 Add ...

While you don’t need to count calories to lose fat — and it’s not for everyone — calories always count. Weight loss occurs in a calorie deficit when people burn more calories than they consume. You ...