Waist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio and see where it falls in the standard health-risk categories used by major health bod...
Calculators and explainers tagged under Health.
Calculate your waist-to-hip ratio and see where it falls in the standard health-risk categories used by major health bod...
Calculates recommended daily water intake from body weight and physical activity level using the standard hydration refe...
Estimate calories burned during an activity from your weight, the MET value, and the duration.
Calculates alcohol units in any drink from volume and ABV, and compares weekly total against recommended limits (UK guid...
Recommended daily protein intake based on body weight and training goal, using protein-per-kilogram research targets.
Compute the mean arterial pressure (MAP), an indicator of overall blood-vessel pressure, from systolic and diastolic rea...
Estimate the date of conception either from a known due date (subtracting 266 days) or from the first day of your last m...
Estimate body fat percentage from circumference measurements using the US Navy tape-measure method.
Healthy-weight range for your height using multiple published formulas (Devine, Robinson, Miller, Hamwi) — averaged for...
Convert a daily calorie target into grams of protein, carbohydrates, and fat using a chosen macronutrient split.
Estimate daily calorie needs (TDEE) from BMR and an activity multiplier.
Assess cardiometabolic risk from waist circumference using IDF/NIH thresholds, which differ by sex.
Estimate the due date, current gestational age, and trimester from the first day of the last menstrual period and the us...
Estimate body fat percentage using the Body Adiposity Index, an alternative to BMI based on hip circumference and height...
Compute the waist-to-height ratio (WHtR), an evidence-based indicator of central obesity that is often more predictive o...
Estimate blood alcohol content using the Widmark formula from drinks consumed, body weight, sex, and time elapsed.
Calculates the number of alcohol units in a drink from its volume and ABV percentage, and the total standard drinks in a...
Estimate predicted vital lung capacity from age, height, and sex — commonly used as a reference value in pulmonary scree...
Estimated daily calories are a loose target, not a contract. A quick guide to using the number without letting it use you.
BMI is a one-number screen, not a diagnosis. Here is how to read it honestly — and what to look at alongside it.