The Body Mass Index (BMI) Calculator can be used to calculate BMI value and corresponding weight status while taking age into consideration. Use the Metric Units tab for the International System of Units or the Other Units tab to convert units into either US or metric units. Calculate your ideal weight, BMI, and healthy weight range. Get personalized weight recommendations based on height, age, and gender. The meaning of WEIGHT is the amount that a thing weighs. How to use weight in a sentence. Synonym Discussion of Weight. In modern scientific usage, weight and mass are fundamentally different quantities: mass is an intrinsic property of matter, whereas weight is a force that results from the action of gravity on matter: it measures how strongly the force of gravity pulls on that matter. Weight, gravitational force of attraction on an object, caused by the presence of a massive second object, such as the Earth or Moon. Weight is a consequence of the universal law of gravitation: any two objects, because of their masses, attract each other with a force that is directly proportional. WEIGHT definition: 1. the amount that something or someone weighs: 2. a piece of metal of known heaviness that can be…. Learn more. This free ideal weight calculator estimates ideal healthy bodyweight based on age, gender, and height based on several popular formulas. Strictly speaking, body weight is the measurement of mass without items located on the person. Practically though, body weight may be measured with clothes on, but without shoes or heavy accessories such as mobile phones and wallets, and using manual or digital weighing scales. Body mass index (BMI) is a calculated measure of weight relative to height. For adults, BMI is categorized into underweight, healthy weight, overweight, and obesity. Obesity is further subdivided into three classes. This BMI calculator is for adults 20 and older. Use the tool on this page to calculate your BMI. Having a BMI higher than 24.9 may mean you are overweight. Note that these are approximate values, and they are intended to be used only as a rough guide. If you are worried about your BMI or are trying to lose weight, talk to your primary care doctor.