Body Mass Index (BMI), is a combined measurement of your height and weight. BMI is not a perfect calculation, but usually when a person has a higher BMI, they also have a higher amount of body fat. Most insurance companies use this number to help determine if you'll be approved for weight-loss surgery. 

BMI Calculator

Height


Weight


Gender


var calculateBMI = function(debug) { //The imperial BMI formula = Weight (LBS) x 703 ÷ Height (Inches²) var h = $('#heightFeet').val() * 12 + $('#heightInches').val() * 1; var w = $('#weight').val() * 1; var msg = ''; var classes = 'alert alert-danger'; if (debug) console.log('Height: ' + h + ', Weigth: ' + w); if (h < 24 || h > 92) msg = 'Please enter a valid height.'; else if (w < 10) msg = 'Please enter a valid weight.'; else { msg = 'Your BMI is ' + Math.round((w * 703) / (h * h)); classes = 'alert alert-info'; } $('#alertText').attr('class', classes).text(msg); }

BMI Classifications

BMIClassificationHealth Risk
Under 18.5UnderweightMinimal
18.5 - 24.9Normal WeightMinimal
25 - 29.9OverweightIncreased
30 - 34.9ObeseHigh
35 - 39.9Severely ObeseVery High
40 and OverMorbidly ObeseExtremely High
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