BMI Calculator
General BMICalculate your Body Mass Index quickly and find out your classification based on WHO guidelines.
Calculate now🩺 Free Health Calculators
All our health tools in one place. Calculate your BMI, daily calories, protein intake, body fat percentage, basal metabolic rate, and much more — quickly, freely, and accurately.
✓ 12 free calculators • 100% no sign-up required
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BMI Calculators
5 toolsBMI Calculator for Men
BMI — MenPersonalized BMI calculator for adult men with specific reference ranges and health classification for the male profile.
Calculate nowBMI Calculator for Women
BMI — WomenPersonalized BMI calculator for adult women with classification tables and interpretation tailored to the female profile.
Calculate nowBMI Calculator for Elderly Men
BMI — SeniorsBMI calculator adapted for men aged 60 and over, with criteria specific to the senior population and aging-related health factors.
Calculate nowBMI Calculator for Elderly Women
BMI — SeniorsBMI calculator adapted for women aged 60 and over, taking into account the particularities of female aging and senior health.
Calculate nowNutrition Calculators
4 toolsCalorie Calculator
NutritionFind out how many calories you need per day to lose, maintain, or gain weight in a healthy and sustainable way.
Calculate nowCalories Burned Calculator
Physical ActivityFind out how many calories you burn during physical exercises and daily activities based on your weight and intensity.
Calculate nowProtein Calculator
NutritionCalculate your ideal daily protein intake based on your weight, fitness goal, and physical activity level.
Calculate nowBMR Calculator
MetabolismCalculate your Basal Metabolic Rate (BMR) and find out how many calories your body burns at rest to keep functioning.
Calculate nowBody Calculators
3 toolsBody Fat Percentage Calculator
Body CompositionEstimate your body fat percentage and understand how it relates to your overall health and fitness level.
Calculate nowIdeal Weight Calculator
Ideal WeightDiscover your ideal weight range based on your height, gender, and body frame for a healthier lifestyle.
Calculate nowWater Consumption Calculator
HydrationFind out exactly how many liters of water you should drink per day to stay properly hydrated and healthy.
Calculate now
💡 Why use our calculators?
All Maniari calculators are based on scientifically recognized formulas endorsed by the WHO and leading health organizations. All calculations are performed locally on your device — no personal data is ever collected or stored. Use freely, with no sign-up and no cost!
All Maniari calculators are based on scientifically recognized formulas endorsed by the WHO and leading health organizations. All calculations are performed locally on your device — no personal data is ever collected or stored. Use freely, with no sign-up and no cost!
🇧🇷 Versão em Português
All our calculators are also available in Portuguese for Brazilian users.