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Fitness & Health

Educational body metrics, nutrition, and fitness calculators for BMI, calories, macros, and training targets — not medical advice.

Healthy Weight Calculator

Estimate Healthy Weight Calculator with transparent formulas and readable defaults.

Fitness & Health

Ideal Weight Calculator

Estimate Ideal Weight Calculator with transparent formulas and readable defaults.

Fitness & Health

Macro Calculator

Estimate Macro Calculator with transparent formulas and readable defaults.

Fitness & Health

One Rep Max Calculator

Estimate One Rep Max Calculator with transparent formulas and readable defaults.

Fitness & Health

GFR Calculator

Estimate glomerular filtration rate for educational kidney screening context.

Fitness & Health