Health & Fitness
BMI, BMR, calorie needs, age, and body metric calculators.
Nuevo Calculadora de edad
Calcula tu edad exacta en años, meses y días, con cuenta atrás para tu cumpleaños.
Nuevo Calculadora de IMC
Calcula tu Índice de Masa Corporal y rango de peso saludable, en sistema métrico o imperial.
Nuevo Calculadora de BMR y calorías
Calcula tu BMR y necesidades calóricas diarias (TDEE) con objetivos de pérdida, mantenimiento y aumento de peso, macros y 3 fórmulas.
Nuevo Calculadora de fecha de parto
Calcula la fecha probable de parto a partir de tu última regla, la concepción, la transferencia FIV o la ecografía — con fechas de trimestres e hitos del embarazo.
Nuevo Macro Calculator
Find your daily protein, carb and fat targets from your TDEE, goal and diet style.
Nuevo Ideal Weight Calculator
See your ideal weight by four clinical formulas (Devine, Robinson, Miller, Hamwi) — metric or imperial.
Nuevo Body Fat Calculator
Estimate your body fat percentage using the US Navy tape-measure method — no skinfold calipers needed.
Nuevo Ovulation Calculator
Find your fertile window, ovulation date and next period from your cycle length and last period.
Nuevo Sleep Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles to wake up refreshed.
Nuevo Water Intake Calculator
Calculate your daily water needs from your weight, activity level and climate.
Nuevo Calories Burned Calculator
Estimate calories burned for 60+ exercises using MET values and your weight and duration.
Nuevo Running Pace Calculator
Calculate your running pace, finish time and splits for any distance — 5K, 10K, half or full marathon.
Nuevo TDEE Calculator
Total Daily Energy Expenditure calculator — maintenance calories, cut & bulk targets. Mifflin-St Jeor + Harris-Benedict. 100% private.
Nuevo Dog Age Calculator
Convert dog years to human years by breed size using the 2020 DNA methylation study. Life stage, remaining lifespan, and age chart.
Nuevo Protein Calculator
Daily protein intake calculator based on ISSN guidelines — adjust for muscle gain, fat loss, or maintenance. Includes meal distribution guide.