FitNFO Lite adds 30 professional fitness and nutrition calculators to your WordPress site. Every result is computed instantly via a lightweight AJAX call to your own site — no API key, no subscription, and no third-party service required.

Drop the calculator directory onto any page with a single shortcode, or embed an individual calculator anywhere shortcodes are supported.

30 Calculators Included

BMI Calculator, BMR Calculator, TDEE Calculator, Calorie Calculator, Body Fat Percentage Calculator, Ideal Weight Calculator, Macro Calculator, Protein Intake Calculator, Water Intake Calculator, Calorie Burn Calculator, Heart Rate Zone Calculator, Target Heart Rate Calculator, One Rep Max (1RM) Calculator, Lean Body Mass Calculator, Waist-to-Hip Ratio Calculator, Waist-to-Height Ratio Calculator, Body Surface Area Calculator, Calories Burned Running Calculator, Calories Burned Walking Calculator, Steps to Calories Calculator, Pace Calculator, VO2 Max Calculator, Maintenance Calorie Calculator, Weight Loss Calculator, Weight Gain Calculator, Pregnancy Weight Gain Calculator, Daily Carb Calculator, Sugar Intake Calculator, Body Frame Size Calculator, and Fitness Age Calculator.

Key Features

30 working calculators — real formulas, instant results
Calculator Explorer — an interactive admin tool to preview any calculator with a live chart before you publish it
Searchable directory — a built-in search box filters the calculator hub as you type
Single-calculator shortcode — embed any calculator on its own
Calculator Manager — turn individual calculators on or off from the admin
Auto hub page — create a ready-made calculator page with one click
Page builder friendly — works with Gutenberg, Elementor, WPBakery, Divi, Bricks, Oxygen and the Classic Editor via shortcodes
Metric / Imperial toggle — visitors can switch kglb and cmft/in on the fly
Mobile responsive — adapts cleanly across phone, tablet and desktop
RTL ready — automatic right-to-left layout for Arabic and Urdu
Simple Goal Tracker — visitors can save one fitness goal locally in their browser
5-Habit Daily Tracker — lightweight tracking for water, workouts, steps, sleep and protein
Weekly Wellness Check-In — a simple educational energy, sleep, stress and consistency snapshot
Privacy friendly — tracker data stays in the visitor’s browser and is not sent to an external service
No API key, no tracking — everything runs locally with zero external calls

Shortcodes

[fitnfo_calculators] — the full calculator directory with live search

[fitnfo_calculator type="bmi-calculator"] — a single calculator (change the type to any calculator slug)

[fitnfo_fitness_toolkit] — goal tracker, five-habit tracker and weekly wellness check-in

[fitnfo_goal_tracker], `[fitnfo_habit_tracker]`, `[fitnfo_weekly_checkin]` — individual engagement tools

Pro & Enterprise

FitNFO Pro (70 calculators) and FitNFO Enterprise (130 calculators) add advanced nutrition, powerlifting, body-composition, endurance, and AI-assisted tools, available separately at adnanthemes.com/fitnfo. FitNFO Lite works fully on its own and does not require Pro or Enterprise.

Disclaimer

FitNFO calculators are educational estimation aids and are not medical advice. Always consult a qualified professional before making health, nutrition or training decisions.