**Learn more about the differences between BMI and fat percentage and how you can easily calculate your BMI and fat percentage with the BMI calculator and fat percentage calculator.**

## What is BMI?

BMI is a common way to calculate underweight, normal weight, and overweight. It is important to note that BMI does not differentiate between fat and muscle mass or consider bone structure.

BMI | Classification |

< 18.5 | Underweight |

18,5 – 24,9 | Normal weight |

> 25 | Overweight |

30-34,9 | Moderate obesity |

35-39,9 | Severe obesity |

> 39,9 | Very severe obesity |

## Calculate your BMI

The new, more accurate calculating BMI is based on a British mathematician’s formula, which makes short people appear more prominent, but makes tall people narrower. The new method better identifies the inaccuracy of the length can give the calculation of your BMI.

Enter your weight and height in the calculator, and you will get your BMI, as well as a description of what your BMI numbers mean.

## What is the fat percentage?

The fat percentage is the percentage of your total body weight that is fat. The remaining body mass is what we can call lean body mass, which is bones and muscles.

## Fat percentage women

Age | Underweight | Normal weight | Overweight | Obesity |

20-39 år | Under 21% | 21-33% | 33-39% | Over 39% |

40-59 år | Under 23% | 23-35% | 35-40% | Over 40% |

Over 60 år | Under 24% | 24-36% | 36-42% | Over 42% |

## Fat percentage men

Age | Underweight | Normal weight | Overweight | Obesity |

20-39 år | Under 8% | 8-19% | 19-25% | Over 25% |

40-59 år | Under 11% | 11-22% | 22-28% | Over 28% |

Over 60 år | Under 13% | 13-25% | 25-30% | Over 30% |

## Measure your fat percentage with a fat percentage calculator

The fat percentage calculator allows you to quickly calculate your fat percentage based on static data and body measurements. Enter age, height, and weight to measure your fat percentage and estimate the distribution between body fat and body mass. The calculator also calculates BMI.

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