Health & Fitness Tools

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TDEE Calculator

Calculate your Total Daily Energy Expenditure based on activity level, age, weight, and goals.

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Body Fat % Estimator

Estimate body fat percentage using the Navy method from simple measurements.

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BMI Calculator

Calculate Body Mass Index and see where you fall on the classification scale.

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BMR Calculator

Calculate your Basal Metabolic Rate — calories burned at complete rest.

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Ideal Weight Calculator

Find your ideal weight range using Devine, Robinson, Miller, and Hamwi formulas.

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Waist-to-Hip Ratio

Assess cardiovascular and metabolic risk from your waist-to-hip ratio.

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Body Type Assessment

Determine your somatotype tendency based on body measurements and traits.

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Lean Body Mass Calculator

Calculate your lean body mass and skeletal muscle mass estimate.

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FFMI Calculator

Calculate Fat-Free Mass Index to assess muscularity relative to height.

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Weight Loss Timeline

Predict how long it will take to reach your goal weight at your deficit.

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Muscle Gain Estimator

Estimate realistic muscle gain potential based on training experience.

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Body Fat Goal Planner

Calculate how much weight to lose to reach your target body fat percentage.

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Waist-to-Height Ratio

A simple predictor of health risk using only waist and height.

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RMR Calculator

Estimate Resting Metabolic Rate using the Cunningham equation based on lean mass.

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Skinfold Calculator

Estimate body fat from 3-site skinfold measurements using Jackson-Pollock.

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Visual Body Fat Guide

Visual reference guide showing what each body fat percentage looks like.

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Frame Size Calculator

Determine your body frame size from wrist circumference.

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Body Comp Tracker Template

Track body composition changes with measurements over time.

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Progress Photo Guide

How to take consistent progress photos for accurate tracking.

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Genetic Potential Estimator

Estimate your natural muscular potential using Casey Butt formulas.

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Ideal Proportions Calculator

Calculate classical physique proportions based on your frame.

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Muscle Imbalance Finder

Identify left-right strength asymmetries across key lifts.

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Progress Photo Protocol

Standardized photo protocol: lighting, angles, timing, and posing.

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Body Measurement Guide

How to measure chest, waist, hips, arms, and legs consistently.