General Health Calculators

Advanced Health Calculators

A comprehensive set of calculators to track and improve your health metrics with enhanced visual feedback and animations.

— BMI — Calculate below

— BMR — Basal Metabolic Rate

— Calories / day — Use BMR + activity

— Body Fat % — U.S. Navy method

— Water / day — Liters (≈ cups)

BMI Calculator

Body Mass Index (BMI) is a measure of body fat based on height and weight.

Weight

Height

Your BMI Result

-

0

Under
<18.5

Normal
18.5–24.9

Over
25–29.9

Obese
30+

BMR Calculator

Basal Metabolic Rate (BMR) is the number of calories your body needs at rest.

Gender Male Female

Age (years)

Weight (kg)

Height (cm)

Your BMR Result

-

1800

Avg Male

1500

Avg Female

2200

Active Male

1800

Active Female

0

Your BMR

This is the number of calories your body needs at complete rest.

Calorie Calculator

Calculate your daily calorie needs based on your activity level.

Your BMR (from above)

Activity Level Sedentary (little or no exercise) Lightly active (1–3 days/week) Moderately active (3–5 days/week) Very active (6–7 days/week) Extra active (physical job)

Your Daily Calorie Needs

-

0 2500 (Maintenance) 5000

This is the number of calories you need to maintain your current weight.

Body Fat Calculator

Estimate your body fat percentage using the U.S. Navy method.

Gender Male Female

Height (cm)

Neck circumference (cm)

Waist circumference (cm)

Hip circumference (cm) - for females

Your Body Fat Percentage

-

0%

Essential

Athletic

Fitness

Average

Obese

Water Intake Calculator

Calculate your recommended daily water intake.

Weight (kg)

Activity (minutes of exercise per day)

Your Daily Water Intake

-

2.0L

Recommended

2.5L

Active

0.0L

Your Intake

This is the recommended amount of water you should drink daily.

Note: These calculators provide estimates only. For personalized health advice, consult a healthcare professional.

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