Simple BMI / BMR Calculator

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Body Mass Index (BMI) and Basal metabolic rate (BMR) calculator. Calculate!

The body mass index (BMI), or Quetelet index, is a heuristic proxy for estimating human body fat based on an individual's weight and height.

Basal metabolic rate (BMR), and the closely related resting metabolic rate (RMR), is the amount of energy expended daily by humans and other animals at rest. Rest is defined as existing in a neutrally temperate environment while in the post-absorptive state. In plants, different considerations apply.