FitNumbers ‑ Body Calculators

Storefront calculators with editable labels and units

by Engin Ucar · Launched: January 2026

0.0 on Shopify

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Six health calculators for your storefront: BMI, calories, macros, water, body fat, and protein. On-brand styling, 11 languages, metric and imperial.

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About FitNumbers ‑ Body Calculators

FitNumbers adds six health calculators to your store as theme blocks: BMI, daily calories, macro split, water intake, body fat (US Navy method), and protein needs. Place them on any page in the theme editor and adjust colors, units, and spacing with live preview - no code required. Shoppers enter their numbers and get instant results with clear guidance on any device. All calculators support metric and imperial units, are translated into 11 languages, and follow your store's look.

Last verified: August 11, 2026 · Fresh