Overweight Calculator

Determine in seconds whether your current weight is in the healthy, overweight or obese range.

or
or

Your BMI: →

Ponderal Index (PI):

Calculation Examples

Calculation Case Result
Height 175 cm, Weight 85 kg Excess: 8.5 kg (normal threshold)
BMI range 25-29.9 Categorized as Overweight
Health risk assessment Based on excess body fat

How to Use Overweight Calculator?

The use of the overweight calculator is simple: After choosing the unit of measurement (either kilograms/cms or lbs/in) you would like to use, enter your current height and weight and then click "calculate." Your results will show you your body mass index (BMI), along with where you fall in the World Health Organization's categories of underweight (< 18.5), normal weight (18.5-24.9), overweight (25.0-29.9) and obese (≥ 30).

How the Overweight Check Is Calculated

Using the internationally recognised formula of the Body Mass Index (BMI), the calculator divides the weight of a user in kilograms (kg) by the square of their height in metres (m). When users choose imperial units, the values are automatically converted using $1\text{ lb} \approx 0.4536\text{ kg}$ and $1\text{ inch} = 0.0254\text{ m}$. The BMI calculated is compared against thresholds established by the World Health Organisation (WHO).Body Mass Index Chart

Useful Tips 💡

  • Weigh and measure yourself in the morning, without clothes or shoes, for the most consistent results
  • Use the same units and conditions each time to accurately track changes over weeks or months

📋Steps to Calculate

  1. Select units (kg/cm or lb/inches)

  2. Enter your current weight and height

  3. Click “Calculate” to see your BMI and overweight status instantly

Mistakes to Avoid ⚠️

  1. Relying only on BMI - muscular people show “overweight” but are healthy.
  2. Using waist-to-height ratio wrong - waist should be measured at navel.
  3. Forgetting that Asian populations have higher risk at lower BMI (≥23 vs ≥25).
  4. Thinking “slightly overweight” is harmless - increases risk of diabetes significantly.

Practical Applications📊

  1. Monitor progress during weight-loss or fitness programs

  2. Get a quick health risk screening before a doctor visit

  3. Track long-term weight trends with consistent measurements

Questions and Answers

What does an overweight calculator do?

An overweight calculator, otherwise known as excess weight calculator or overweight checker, is a calculative device that provides you with your weight status depending on your height and weight based upon BMI level as given in World Health Organisation (WHO) and calculates whether you are in the normal range, overweight (BMI 25.0-29.9) or obese (BMI 30 or above).

How do I know if I am overweight?

Put in your height and weight in the calculator above. If your BMI is between 25.0 and 29.9, you fall under the overweight category; if your BMI is 30.0 or higher, you are classified as obese. These values are exactly the same for adult males and females around the world and have been used by health agencies since 1997.

What is the difference between overweight and obese?

Overweight (BMI between 25.0 and 29.9) has much lower risks of developing serious health problems than people classified as obese (BMI ≥ 30). A higher BMI usually indicates an increased risk of developing type 2 diabetes, high blood pressure (hypertension), coronary artery disease (CAD) and some forms of cancer.

Can teenagers use this overweight calculator?

This calculator was created specifically for adults who are 18 years of age or older. For children and teens (youth), please refer to the World Health Organization or Centers for Disease Control and Prevention for appropriate BMI Percentile Charts that take age and sex into consideration.

Is BMI reliable for very muscular people?

Although BMI is an effective population-based screening tool, it may overestimate body fat on very muscular individuals or athletes, while underestimating body fat on total elderly adults that have a decrease in muscle. Other measures such as waist circumference and body fat percentage may need to be used in conjunction with BMI.

Am I obese or just overweight?

You have an Overweight classification when your BMI falls within the range of 25.0-29.9, and an Obese classification when your BMI is equal to or greater than 30.0 according to international guidelines.

What formula does the overweight calculator use?

The official Formula for Body Mass Index adopted by the WHO is $\text{BMI} = \frac{\text{weight (kg)}}{\text{height (m)}^2}$. When using pounds and inches, the equivalent formula is $\text{BMI} = 703 \times \frac{\text{weight (lb)}}{\text{height (in)}^2}$. These formulas, derived from the work of Adolphe Quetelet, are the global standards for weight status classification.

🔢Try More Calculators

FFMI Calculator
Daily Fat Intake Calculator
Calorie Deficit Calculator
Disclaimer: This calculator is designed to provide helpful estimates for informational purposes. While we strive for accuracy, financial (or medical) results can vary based on local laws and individual circumstances. We recommend consulting with a professional advisor for critical decisions.