Health & Fitness Calculators
Free online health and fitness calculators. Track your weight, calories, pregnancy, fitness goals, and more with 23+ specialized tools.
⚖️ Weight & Body Composition
BMI CalculatorPOPULAR
Calculate your Body Mass Index to check if you're underweight, normal, overweight, or obese.
Body Fat Calculator
Estimate your body fat percentage using Navy method and other measurements.
Ideal Weight Calculator
Calculate your ideal body weight based on height, age, and gender.
Waist-to-Hip Ratio
Calculate WHR to assess body fat distribution and health risks.
🍎 Calorie & Nutrition
Calorie CalculatorPOPULAR
Calculate daily calorie needs for weight loss, maintenance, or muscle gain.
BMR Calculator
Calculate Basal Metabolic Rate - calories burned at complete rest.
TDEE Calculator
Calculate Total Daily Energy Expenditure based on activity level.
Calorie Intake Calculator
Calculate daily calorie intake needed to reach your weight goals.
Macronutrient Calculator
Calculate daily protein, carbs, and fat requirements for your goals.
Protein Intake Calculator
Calculate daily protein needs for muscle building and health.
Water Intake Calculator
Calculate daily water requirements based on weight and activity.
Alcohol Calorie Calculator
Calculate calories in beer, wine, spirits, and cocktails.
🤰 Pregnancy & Women's Health
Pregnancy CalculatorPOPULAR
Calculate pregnancy weeks, due date, and trimester information.
Pregnancy Due Date Calculator
Calculate expected due date from last menstrual period or conception date.
Ovulation Calculator
Calculate fertile window and ovulation day to plan or avoid pregnancy.
Postpartum Calorie Needs
Calculate daily calories needed after pregnancy, including breastfeeding.
🏃 Fitness & Exercise
Heart Rate Zone Calculator
Calculate target heart rate zones for different exercise intensities.
Running Pace Calculator
Calculate pace, speed, and time for running and walking distances.
Step to Distance Converter
Convert daily steps to distance in kilometers or miles.
Nepal Police Fitness Test
Calculate your Nepal Police physical fitness test score and eligibility.
🩺 Health Risk Assessment
Blood Pressure Calculator
Check your blood pressure category and understand health risks.
Diabetes Risk Calculator
Assess your risk of developing type 2 diabetes based on lifestyle factors.
Hypertension Risk Calculator
Calculate your risk of developing high blood pressure.
Why Use Our Health Calculators?
- Science-based: All calculations use proven medical formulas and WHO guidelines.
- 100% Free: No registration, no hidden fees. Use unlimited times.
- Privacy focused: All calculations happen in your browser. We don't store your health data.
- Easy to understand: Simple explanations in grade 6 English.
- Mobile friendly: Use on any device - phone, tablet, or computer.
- Nepal context: Includes Nepal-specific calculators like Nepal Police Fitness Test.
Important Health Tips
- BMI limitations: BMI doesn't account for muscle mass. Athletes may have high BMI but low body fat.
- Weight loss: Aim for 0.5-1 kg per week for sustainable, healthy weight loss.
- Calorie deficit: Create 500 cal deficit daily to lose 0.5 kg per week safely.
- Protein intake: Aim for 0.8-2g per kg body weight depending on activity level.
- Water intake: Drink when thirsty, more during exercise or hot weather.
- Exercise: 150 minutes moderate exercise or 75 minutes vigorous per week (WHO recommendation).
- Heart rate zones: Train in zone 2 (60-70% max HR) for fat burning and endurance.
- Medical advice: These calculators are for information only. Consult doctors for medical decisions.
⚠️ When to See a Doctor
Consult a healthcare professional if you have:
- BMI under 18.5 (underweight) or over 30 (obese)
- Blood pressure consistently over 130/80 mmHg
- High diabetes risk score with symptoms (thirst, frequent urination, fatigue)
- Difficulty losing weight despite diet and exercise
- Chest pain or breathing problems during exercise
- Pregnancy complications or concerns
- Any chronic health conditions before starting new diet or exercise
Important: These calculators provide estimates only. They don't replace professional medical advice, diagnosis, or treatment.
Frequently Asked Questions
Are these health calculators accurate?
Yes! All calculators use scientifically proven formulas. However, individual results may vary. For medical decisions, consult healthcare professionals.
Is my health data private?
Absolutely! All calculations happen in your browser. We don't collect, store, or share any health information you enter.
Do I need to create an account?
No! All calculators are completely free to use without any registration or sign-up.
Which calculator should I use for weight loss?
Start with BMI Calculator to check current status. Then use Calorie Calculator or TDEE Calculator to find daily calorie needs for weight loss.
How accurate is the BMI calculator?
BMI is accurate for most people but has limitations. It doesn't account for muscle mass, age, or body composition. Use Body Fat Calculator for better accuracy.
Can pregnant women use these calculators?
Yes! We have specific pregnancy calculators (pregnancy calculator, due date, ovulation, postpartum calories). Always consult your doctor during pregnancy.
Are these calculators suitable for children?
Most calculators are designed for adults (18+). BMI and calorie needs differ for children. Consult pediatricians for children's health.