News
Shopify SEO
Shopify development
FitNumbers ‑ BMI Calculator
- by Engin Ucar
- Free plan available. Free trial available.
- by Engin Ucar
- Free plan available. Free trial available.
Add six health calculators to your store, from BMI to protein. Results link to your products for easy conversions.
Claim app
Verify your developer profile to earn a badge and build trust to your apps
About the FitNumbers ‑ BMI Calculator
FitNumbers adds health and fitness calculators to your Shopify store as easy-to-use theme blocks. Choose from six calculators: BMI calculator, calorie calculator (TDEE), protein calculator, macro calculator, body fat calculator using the US Navy method, and water intake calculator. Each calculator displays results with a call-to-action button that links directly to your products or collections, helping customers find what they need. The BMI calculator is completely free with no time limit. Customize colors, units, and spacing right in the theme editor with live preview - no coding required. Place calculators on any page through your theme editor. Available in 12 languages with both metric and imperial units supported.
Launched: January 13, 2026
Key features
- Six calculators: BMI, calories, protein, macros, body fat, and water intake
- Call-to-action button under each result links to a product or collection
- Free plan with the BMI calculator, no time limit
- Colors, units, and spacing adjust in the theme editor with live preview
- Translated into 12 languages, with metric and imperial units
Category:
Pricing of FitNumbers ‑ BMI Calculator
Free
Free
- BMI calculator on your storefront
- 12 languages, metric and imperial
- Colors and units match your brand
Pro Plan
$4.99 / month
or $49.90/year and save 17%
- Everything in Free
- Calorie, protein, and macro calculators
- Body fat and water intake calculators
- Call-to-action button under results
