All Calculators
Browse every calculator with a lightweight A-Z directory and category filters. Search is still available, but this page gives users a cleaner browse path.
Showing 15 of 15 calculators in Health starting with "B".
BMI Percentile for Children and Teens Calculator
Determine a child or teen's body mass index and percentile rank by comparing height and weight data against age and gender specific growth charts.
BMI calculator
Easily calculate your Body Mass Index (BMI) to understand your weight category and health status. Our BMI calculator is a simple tool for health assessment.
BMR calculator
Determine your Basal Metabolic Rate (BMR) to estimate daily calorie needs for weight management. Use our BMR calculator for personalized fitness insights.
BUN Creatinine Ratio Calculator
This BUN creatinine ratio tool evaluates renal health by comparing blood urea nitrogen and serum creatinine levels. It provides clinical insights into potential causes of acute kidney injury or dehydration based on laboratory blood test results.
Basal Heart Rate Variability (HRV) Index Calculator
This assessment tool evaluates autonomic nervous system balance by normalizing RMSSD values against resting heart rate to account for wearable device variability. For instance, adjusted coefficients provide a standardized recovery score to help athletes monitor physiological readiness and training fatigue.
Bedridden Patient Height Calculator
Estimate the height of bedridden patients accurately. A helpful tool for caregivers and medical professionals.
Bike Size calculator
Find your perfect bicycle size for comfort and performance. Our Bike Size Calculator ensures a proper fit for your cycling adventures.
Blood Alcohol Content Calculator
Estimate your Blood Alcohol Content (BAC) to promote responsible drinking. Our BAC calculator helps you understand alcohol's effects.
Blood Volume Estimation Calculator
This calculator estimates total blood volume using sex specific weight coefficients because volume scales with body mass. A 70kg male has approximately 5 liters of blood; results are for educational purposes only and not medical advice.
Blood Volume Loss (Dehydration) Calculator
This calculator estimates plasma volume reduction from dehydration to help endurance athletes monitor physiological changes. Even small percentage losses in body weight significantly impact circulatory health and overall performance.
Body Density to Body Fat Calculator (Siri Equation)
Calculate body fat percentage from measured body density values using the Siri equation for body composition analysis. This tool converts grams per cubic centimeter into a percentage to help track fitness and health metrics.
Body Fat Calculator
Calculate your body fat percentage accurately using our user-friendly Body Fat Calculator. Monitor your body composition for better health outcomes.
Body Fat Percentage from Navy Method Calculator
This calculator estimates body fat percentage and lean mass using circumference measurements such as waist and neck size to determine your physical fitness category.
Body Water Percentage Calculator
Estimate total body water percentage to monitor metabolic health and track how hydration levels vary by age and sex. A 70 kg male averages 42 liters of water but results are estimates and not medical advice.
Body Weight Loss Percentage Calculator
This tool calculates total weight loss and percentage change based on starting and current weight measurements. It provides a clear metric to track fitness progress through simple arithmetic ratios.