Weight

Check whether your BMI falls into the underweight range and how much weight you would need to gain to reach a healthy level.

Estimate body fat with the 2023 Army one-site tape method and compare against age and gender standards.

Estimate your basal metabolic rate and get maintenance, cutting and bulking calorie targets with the Mifflin-St Jeor formula.

Estimate body fat percentage with the US Navy tape method from height, neck, waist and hip measurements, and break weight into lean mass and fat mass.

Find the healthy weight range for your height based on BMI, with the midpoint and estimated daily calorie needs.

Find your ideal body weight using the Devine, Robinson, Miller and Hamwi formulas plus a healthy weight band from WHO BMI.

Estimate lean body mass (LBM) and body fat percentage from height, weight, sex and age using the Boer, James, Hume and Peters formulas.

Check your BMI, see if you are overweight, and estimate how much weight you need to lose to reach a healthy range.

Estimate your Total Daily Energy Expenditure (TDEE) from age, sex, height, weight, and activity level.