https://www.verywellfit.com/lotus-root-nutrition-facts-calories-carbs-and-health-benefits-4772425 and a few other sites are all based on USDA data. 100g boiled (with water 🙂 lotus root

• 66 calories, much lower than sarchy root vegetables
• mostly from carbs 17g
• .. fiber 3g
• trace amount of fat
• some small amount of protein