FitNFO Lite is a WordPress plugin that adds 30 professional fitness and nutrition calculators to sites. It addresses the need for website owners to provide instant health and fitness computations without relying on external services.
The plugin includes calculators for BMI, BMR, TDEE, calorie needs, body fat percentage, ideal weight, macros, protein intake, water intake, calorie burn, heart rate zones, target heart rate, one rep max, lean body mass, waist-to-hip ratio, waist-to-height ratio, body surface area, and calories burned running. Each result is generated through a lightweight AJAX call handled entirely on the user's own WordPress site. No API key, subscription, or third-party dependency is involved. Site owners can insert the full directory of calculators on any page using a single shortcode or embed any individual calculator wherever shortcodes are supported.
It is delivered as a standard WordPress plugin available from the official plugin directory. The interface is mobile responsive and RTL ready. The maker is Adnan Shahid.
In the Lifestyle & Personal space, FitNFO Lite takes a focused approach. It focuses on embedding accurate, professional-grade fitness and nutrition calculators on a WordPress site without relying on external APIs or subscriptions. FitNFO Lite is a B2B product aimed at fitness bloggers and website owners. FitNFO Lite follows a freemium model. The product ships for the web and embeddable surfaces, and it can be self-hosted.
Adnan Shahid builds and maintains FitNFO Lite, and the product first shipped in 2026. Among its 5 catalogued features are BMI Calculator, Macro Calculator, and Body Fat Calculator.
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