Health Calculators
Free health calculators and tools to help you make accurate calculations quickly and easily.
Alcohol Unit Calculator
Calculate how many alcohol units are in a given drink
Blood Alcohol Content (BAC) Calculator
Estimate your BAC level based on drinks consumed, weight, and gender factor
Body Fat Percentage Estimator
Use the US Navy method to gauge your approximate body fat.
Body Surface Area Calculator
Use the Mosteller formula to estimate your BSA from height and weight.
Cholesterol Level Tracker Calculator
Keep an eye on your total cholesterol and lipid ratios.
Daily Water Intake Calculator
Estimate your daily water needs based on weight, activity, and climate
Heart Rate Recovery Calculator
Estimate how fast your heart rate declines after an intense workout.
Lifestyle Stress Check Calculator
Obtain an overall stress score from 0 to 100 by combining several factors in your daily life.
Macronutrient Ratio Calculator
Compute how many grams of carbs, protein, and fat you should consume daily.
Medicare Premium & Subsidy Calculator
Estimate your monthly Part B and Part D premiums, applying IRMAA surcharges or subsidies based on income
Metabolic Age Estimator
Determine an approximate 'metabolic age' by evaluating your body composition and daily habits.
Resting Heart Rate Analysis Calculator
Determine if your RHR is below, within, or above normal range for your age and fitness level.
Sleep Debt Calculator
Calculate how many hours of sleep deficit you accumulate
Vitamin & Mineral Intake Calculator
Estimates your daily intake for essential micronutrients and checks against standard RDAs.