FitNumbers ‑ Body Calculators

FitNumbers - Body Calculators is a Shopify App that offers six health calculators for ecommerce merchants to add to their store. The calculators include BMI, daily calories, macro split, water intake, body fat (US Navy method), and protein needs. Merchants can customize the calculators to match their brand, adjust colors, units, and spacing with a live preview, and place them on any page in the theme editor without needing to code. The calculators provide instant results with clear guidance on any device, support metric and imperial units, are translated into 11 languages, and maintain the store's aesthetic.