Tools

Health calculators

Adult screening tools. None of them replace a clinic visit. Formulas and limits are written on each page.

Adult categories and a healthy-weight range for your height.

Daily energy estimate from Mifflin–St Jeor and activity.

Protein, carbohydrate and fat grams from a planning split.

Grams per kilogram — everyday and training bands.

Resting calories. Add activity on the calorie tool.

Devine, Robinson and Miller — history, not a goal.

Weeks at 0.25–0.75 kg, not a finish date.

A central-fat screen BMI cannot see.

Circumference method in inches. Not a DEXA scan.

Deurenberg-style screen from BMI, age and sex.

A planning range from body weight. Thirst still wins.

Crude 220 minus age bands. Medicines can change this.