FitNFO
Preparing your fitness intelligence
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FitNFO Free Demo

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Free Version

30 Free Fitness Calculators

Launch with BMI, BMR, TDEE, macros, hydration and essential fitness tools.

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30 Free Fitness Calculators
Quick Start

Build Fitness Pages Faster

Shortcodes and demo pages help you create calculator landing pages in minutes.

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Begin with the free plugin and unlock advanced calculator workflows later.

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FitNFO Free Demo

Explore the free WordPress fitness calculator build with 30 essential calculators.

FitNFO Free

Real Fitness Calculators

Powered by the shared FitNFO Core Engine. Free includes calculators 1 to 30.

#1 Free

BMI Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="bmi-calculator"]
#2 Free

BMR Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="bmr-calculator"]
#3 Free

TDEE Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="tdee-calculator"]
#4 Free

Calorie Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="calorie-calculator"]
#5 Free

Body Fat Percentage Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="body-fat-percentage-calculator"]
#6 Free

Ideal Weight Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="ideal-weight-calculator"]
#7 Free

Macro Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="macro-calculator"]
#8 Free

Protein Intake Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="protein-intake-calculator"]
#9 Free

Water Intake Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="water-intake-calculator"]
#10 Free

Calorie Burn Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="calorie-burn-calculator"]
#11 Free

Heart Rate Zone Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="heart-rate-zone-calculator"]
#12 Free

Target Heart Rate Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="target-heart-rate-calculator"]
#13 Free

One Rep Max Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="one-rep-max-calculator"]
#14 Free

Lean Body Mass Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="lean-body-mass-calculator"]
#15 Free

Waist-to-Hip Ratio Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="waist-to-hip-ratio-calculator"]
#16 Free

Waist-to-Height Ratio Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="waist-to-height-ratio-calculator"]
#17 Free

Body Surface Area Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="body-surface-area-calculator"]
#18 Free

Calories Burned Running Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="calories-burned-running-calculator"]
#19 Free

Calories Burned Walking Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="calories-burned-walking-calculator"]
#20 Free

Steps to Calories Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="steps-to-calories-calculator"]
#21 Free

Pace Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="pace-calculator"]
#22 Free

VO2 Max Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="vo2-max-calculator"]
#23 Free

Maintenance Calorie Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="maintenance-calorie-calculator"]
#24 Free

Weight Loss Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="weight-loss-calculator"]
#25 Free

Weight Gain Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="weight-gain-calculator"]
#26 Free

Pregnancy Weight Gain Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="pregnancy-weight-gain-calculator"]
#27 Free

Daily Carb Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="daily-carb-calculator"]
#28 Free

Sugar Intake Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="sugar-intake-calculator"]
#29 Free

Body Frame Size Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="body-frame-size-calculator"]
#30 Free

Fitness Age Calculator

Instant client-side calculation with proper inputs.

[fitnfo_calculator type="fitness-age-calculator"]

Important: FitNFO calculators are educational estimates for fitness planning. They are not medical advice.

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Important: FitNFO calculators, reports, workout ideas, nutrition suggestions, and AI-assisted analysis are informational tools only. They are not medical advice. Always consult a qualified healthcare professional, registered dietitian, or certified trainer before making health, diet, exercise, or medical decisions.

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