Toolnoza

Health & Wellness

Calculate BMI, resting energy, body fat estimates, waist ratio, activity calories and menstrual dates. Compare assumptions and sources; estimates are not diagnoses.

Height Calculator — Adult Height EstimateEstimate adult height from biological parents’ heights with the mid-parental formula. Convert cm to feet and inches.How Long Does Alcohol Take to Leave Your System? CalculatorEstimate UK alcohol units and an average processing duration from drink volume and ABV. Educational estimate, not a sobriety or driving test.BMI Calculator — AdultsCalculate body mass index from weight and height, with adult screening categories.BMR Calculator — Resting CaloriesEstimate resting energy expenditure with the Mifflin–St Jeor equation.Ideal Weight Calculator — BMI Reference RangeFind the weight interval corresponding to the conventional adult BMI reference category.Body Fat Calculator — BMI EstimateEstimate adult body fat percentage from BMI, age and the Deurenberg sex coefficient.Waist-to-Height Ratio CalculatorCalculate waist-to-height ratio using matching measurement units.Calories Burned Calculator — MET EstimateEstimate gross and above-rest activity energy from weight, duration and an explicit MET value.Ovulation Calculator — Estimated DatesEstimate an ovulation date and a calendar fertile window from a regular cycle.Period Calculator — Next Cycle DatesEstimate the next three period start dates from your usual cycle length.Pregnancy Due Date CalculatorEstimate your pregnancy due date and gestational age from the first day of your last period and usual cycle length.

Practical guides: Health & Wellness

How to Calculate How Many Calories You BurnEstimate exercise calories from your weight, activity intensity and duration. Follow a worked example and distinguish activity calories from total daily energy expenditure.How to Estimate Adult Height from Parents: Formula and ExampleLearn the mid-parental height formula, work through an example and convert cm to feet and inches with clear limits.How long does it take for alcohol to leave your system?There is no universal clearance time. Learn how UK units give an average processing estimate and why that estimate cannot establish sobriety, driving fitness or a negative test.