Health Calculators

Comprehensive health and fitness calculators for BMI, calorie needs, body fat, heart rate zones, and more. Track your wellness journey with accurate, science-based tools.

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BMI Calculator

Metric & Imperial UnitsInstant CalculationHealth CategoriesBMI Reference Chart

The BMI Calculator helps you determine your Body Mass Index using your height and weight measurements. BMI is a widely used screening tool to categorize whether your weight falls within a healthy range. Our calculator supports both metric (cm, kg) and imperial (ft, in, lbs) units, provides instant results with color-coded categories, and includes comprehensive information about BMI ranges and their health implications.

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Calorie Calculator

TDEE & BMR CalculationMultiple Activity LevelsWeight Goals SupportMacronutrient Breakdown

Our advanced Calorie Calculator determines your Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) using the Mifflin-St Jeor equation. Input your personal details including age, gender, height, weight, and activity level to get personalized calorie recommendations for weight maintenance, loss, or gain. The calculator also provides macronutrient breakdowns and meal planning suggestions.

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Pregnancy Due Date Calculator

LMP & Conception Date InputCurrent Week DisplayTrimester InformationMilestone Timeline

The Pregnancy Due Date Calculator provides an estimated delivery date based on your last menstrual period (LMP) or conception date. It calculates your current week of pregnancy, trimester information, and important milestone dates. The calculator also includes a comprehensive pregnancy timeline with fetal development stages, prenatal appointment schedules, and helpful tips for each trimester.

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Body Fat Percentage Calculator

US Navy MethodGender-Specific CalculationsBody Fat CategoriesHealth Recommendations

Calculate your body fat percentage using the US Navy method, which uses circumference measurements to estimate body composition. This calculator requires measurements of your waist, neck, and height (plus hips for women). Body fat percentage is a more accurate indicator of fitness and health than BMI alone, as it distinguishes between muscle mass and fat mass. Results include body fat categories and health recommendations.

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Daily Water Intake Calculator

Personalized RecommendationsActivity Level AdjustmentsClimate ConsiderationsDaily Tracking

Determine your optimal daily water intake based on your weight, activity level, climate, and lifestyle factors. This calculator considers various factors including physical activity, pregnancy, breastfeeding, and environmental conditions to provide personalized hydration recommendations. It also tracks your progress throughout the day and provides reminders to help you stay properly hydrated.

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Target Heart Rate Calculator

Multiple Training ZonesAge-Based CalculationsExercise Intensity LevelsCardio Optimization

Calculate your target heart rate zones for optimal cardiovascular training using age-based formulas. This calculator determines your maximum heart rate and provides training zones for fat burning, aerobic exercise, and anaerobic threshold. Perfect for runners, cyclists, and fitness enthusiasts who want to train at the right intensity for their goals. Includes both percentage and absolute heart rate ranges.

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Ideal Weight Calculator

Multiple Formula MethodsBody Frame ConsiderationsGender-Specific ResultsWeight Range Guidance

Determine your ideal weight range using multiple established formulas including Devine, Robinson, Miller, and Hamwi methods. This comprehensive calculator considers your height, gender, and body frame size to provide a range of healthy weights. Each formula has different applications and the calculator explains the differences to help you understand which range might be most appropriate for your body type and health goals.

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Macro Calculator

Goal-Based RatiosMultiple Diet ApproachesGram & Calorie BreakdownMeal Planning Support

Calculate your daily macronutrient needs (carbohydrates, proteins, and fats) based on your calorie requirements and fitness goals. Whether you're looking to build muscle, lose fat, or maintain your current physique, this calculator provides personalized macro ratios. It includes popular approaches like high-protein, low-carb, ketogenic, and balanced macro distributions with detailed explanations of each approach.

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Period Calculator

Cycle PredictionOvulation TrackingFertile WindowPhase Insights

Track your menstrual cycle and predict future periods with our comprehensive Period Calculator. Input your last period date and cycle length to get predictions for your next period, fertile window, and ovulation dates. This calculator helps you understand your cycle patterns, plan ahead for important events, and monitor your reproductive health. Perfect for cycle tracking, family planning, or general health awareness.

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Daily Calorie Burn Calculator

BMR & TDEE CalculationActivity Level IntegrationWeight Goal CaloriesBody Fat Percentage Option

Calculate your Total Daily Energy Expenditure (TDEE) to determine exactly how many calories you burn each day. This advanced calculator uses your BMR (Basal Metabolic Rate) and activity level to provide accurate daily calorie burn estimates. Perfect for weight management, fitness planning, and understanding your metabolism. Includes both standard Mifflin-St Jeor and body fat percentage methods for maximum accuracy.

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Health & Wellness Tips

Understanding Your Numbers

  • BMI is a screening tool, not a diagnostic measure of body fatness
  • Body fat percentage provides more insight than weight alone
  • Heart rate zones help optimize your cardiovascular training
  • Calorie needs vary based on activity, age, and metabolism

Healthy Lifestyle Habits

  • Stay hydrated by drinking water throughout the day
  • Balance macronutrients for optimal energy and health
  • Regular exercise improves both physical and mental wellbeing
  • Consult healthcare professionals for personalized advice

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