Free & Universal

⚖️ BMI Calculator

Free

Compute Body Mass Index for adults, men, and women with official WHO clinical weight category classifications.

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🔥 Calorie Calculator

Free

Calculate daily maintenance calories (TDEE) and target calories for fat loss, muscle gain, and weight control.

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📏 Body Fat Calculator

Free

Estimate body fat percentage and lean muscle mass using the clinical US Navy circumference method.

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👶 Pregnancy Calculator

Free

Calculate estimated delivery due date, current gestational age, and key fetal developmental trimesters.

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🧬 Life Expectancy Calculator

Free

Project healthy lifespan and remaining years based on actuarial cohort mortality tables and lifestyle factors.

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Medical Notice: These fitness and health calculators are for informational purposes only and do not replace personalized clinical guidance from licensed healthcare practitioners.