Txtly

Health

Health Calculators

Tools for health and fitness tracking. All calculators work locally in your browser.

  • BMI Calculator β€” body mass index from height and weight. Open β†’
  • Calorie Calculator β€” daily calorie norm (BMR + TDEE) via Mifflin-St Jeor formula. Open β†’
  • Sleep Calculator β€” sleep phase cycles, optimal wake-up times. Open β†’
  • Body Fat Calculator β€” U.S. Navy method using neck, waist, hip measurements. Open β†’
  • BJU Calculator β€” protein, fat, carbs distribution from daily calories. Open β†’
  • Ideal Weight Calculator β€” 5 formulas (Broca, Devine, Robinson, Miller, Hamwi). Open β†’