Planning tool

BMI Calculator

Calculate body mass index from metric or US measurements with standard ranges.

Runs in your browser
BMI Calculatorupdates live
Result
BMI
27.4
Standard category
Overweight range
Height
68 in
Weight
180 lb

BMI is a rough population screening measure, not a diagnosis. It does not account for muscle mass, body composition, pregnancy, or individual health.

How to use this BMI calculator

  1. Enter your height and weight, then choose metric or US units to calculate body mass index.
  2. Review the calculated totals, units, and assumptions. Check the inputs and units before relying on the result.
  3. Change one input at a time to compare another case, then copy or save the result you plan to use.

About this BMI calculator

Use the BMI Calculator to calculate body mass index from metric or US measurements with standard ranges. Change the inputs to compare another result.

You can also use it to compare results after changing one input.

Example

Enter 180 pounds and 5 feet 8 inches to calculate BMI and its standard screening range.

Common uses

  • calculate body mass index from metric or US measurements with standard ranges
  • compare results after changing one input
  • save an estimate for planning or comparison