Borrower Insurance: Calculation of weight ratio


The weight ratio of a loan insurance applicant is a criterion taken into account by insurers to assess the risks to be covered. It is indeed with the weight-to-weight ratio that your Body Mass Index is calculated for the risk assessment by the insurer for overweight or underweight borrowers.

A risk assessment criterion by the insurer

In case you have a weight ratio too low, you are underweight. And if your weight ratio is too high, you are overweight. In both cases, the insurer can apply an insurance surcharge (premium insurance anorexia loan or premium insurance premium obesity).

Why is the weight-to-weight ratio taken into account by insurers?

loan account

If your Body Mass Index (BMI) is too low (underweight) or too high (overweight), this can increase the risk of occurrence of pathologies: nutrient deficiency with health impacts or diabetes, hypertension, This is why insurers take into account the weight ratio of the insured to assess their risks and calculate the loan insurance rate.

From what threshold are we considered overweight or underweight?

From what threshold are we considered overweight or underweight?

The BMI thresholds may vary more or less depending on the insurance companies. To find out if you are considered overweight or underweight by an insurer, you must indicate your height and weight in the health questionnaire that he gives you. It will then assess the risks you represent and offer a credit insurance rate depending on your situation.


Less than 16.5: undernutrition or starvation 16.5 to 18.5: leanness 18.5 to 25: normal body fatness 25 to 30: overweight 30 to 35: moderate obesity 35 to 40: severe obesity 40: morbid or massive obesity

More about medical formalities for joining a loan insurance

loan insurance

To take out a mortgage, you must take out loan insurance. Although this is not a legal requirement, the banks require that it be subscribed by the borrower to grant him a mortgage. Medical formalities are essential to obtain this insurance.

Depending on the outcome of these formalities, the insurer decides whether or not to grant you loan insurance. If he considers that you represent a specific risk, he may also agree to grant you insurance on payment of a premium.

There are 4 levels of medical formalities:

  1. Statement of health status This is a simple declaration of good health written by you: “I, the undersigned Mr X, declare that I have not been, during the last 10 years, monitored or treated medically for duration greater than three continuous weeks, not having undergone surgery … “.
  2. The simplified medical questionnaire or health questionnaire contains about ten questions about your state of health: pathologies, treatment in progress, operations suffered, work stoppages …
  3. The detailed medical questionnaire Completed by your doctor, this questionnaire contains more questions aimed at more accurately assessing your state of health.
  4. The medical examination consists of a medical examination (blood test, electrocardiogram …).