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Ideal Weight Calculator
Ideal weight calculators determine your ideal body weight based on your height, age, gender, and, sometimes, body fat percentage. It helps you recognize a healthy target weight for your body, allowing you to boost your overall well-being and reduce potential health risks from being underweight, overweight or obese. That’s where an Ideal Weight Calculator comes in.Read more
Calculate your Ideal body weight
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What is an Ideal Weight Calculator?
An ideal weight calculator helps you find a target body weight tailored to your body by factoring in your gender, height, age, and, in some cases, body fat percentage. The calculator uses trusted medical formulas and data to give you a personalized goal, making those health ambitions feel more achievable.
Whether you are curious about a weight chart based on your height or want to try an optimal weight calculator, you are taking a significant first step towards a healthier, more confident you.
Find your healthy weight and unlock better health coverage.
How to Calculate Ideal Body Weight?
Your ideal body weight is essentially the healthy weight range that supports your body functioning at its absolute best. It is generally determined by your height & gender and calculated using established formulas like the Devine formula, especially in medical and insurance contexts.
You can also explore standard body weight charts that show healthy weight ranges based on height or even the age. These charts offer helpful benchmarks for individuals and insurance providers to evaluate body health more effectively.
Understand your ideal weight to make smarter health insurance choices.
Popular Ideal Weight Formulas
Several formulas are used to estimate ideal body weight, each considering your height, age and sometimes, your gender. Take a look at some of the most common formulas below:
Devine Formula (The Standard)
The Devine formula is the most widely accepted method for estimating ideal body weight, particularly in clinical and health insurance settings. Originally developed in 1974 for medication dosing, it is frequently used in weight-as-per-height chart calculators and height-per-weight assessments because it's easy to apply and generally aligns with average Body Mass Index (BMI) ranges.
Formula:
Men: 50 kg + 2.3 kg for each inch over 5 feet
Women: 45.5 kg + 2.3 kg for each inch over 5 feet
Read more
Robinson Formula (For Smaller Frames)
Introduced in 1983, the Robinson formula offers a slightly more conservative estimate compared to the Devine formula, especially for individuals with smaller body frames. It is a popular choice among wellness professionals and in desirable weight calculators that focus on lean body mass considerations.
Formula:
Men: 52 kg + 1.9 kg per inch over 5 feet
Women: 49 kg + 1.7 kg per inch over 5 feet
Read more
Miller Formula (For Athletic Builds)
The Miller formula tends to provide estimates on the higher end of the ideal weight spectrum. It is often favoured by individuals with athletic or more muscular builds, as it allows slightly more weight per inch compared to the Devine or Robinson formulas. This makes Miller formula a go-to in some of the best weight calculators that factor in muscle mass and lifestyle activity.
Formula:
Men: 56.2 kg + 1.41 kg per inch over 5 feet
Women: 53.1 kg + 1.36 kg per inch over 5 feet
Read more
Hamwi Formula (A Traditional Approach)
The Hamwi formula is one of the earliest ideal weight formulas, dating back to the 1960s, and it is still used in some clinical settings, particularly when more conservative weight targets are preferred. It often results in a slightly stricter ideal weight, making it useful for pre-surgical planning or managing chronic diseases. This can be a traditional height & age, and weight chart reference point.
Formula:
Men: 48 kg + 2.7 kg per inch over 5 feet
Women: 45.5 kg + 2.2 kg per inch over 5 feet
Read more
Learn how ideal weight formulas guide better health and insurance outcomes.
Ideal Weight for the Children
A child's healthy weight is dynamic. It changes as they grow in age and height, and through different developmental stages. Paediatricians use specialized growth charts that compare height and weight for a specific age to monitor children’s development and identify any potential health concerns.
The height, age, and weight charts for kids offer a visual reference to help determine if a child is in a healthy weight range. Parents need to remember that children mature at different rates, so some variation is to be expected.
Assessing a child's ideal weight involves not only looking at charts but also considering their overall well-being, such as their energy levels, how active they are, and if they are reaching their developmental milestones.
Note: Always consult with a paediatrician for personalized guidance on your child's healthy weight.
Help your child achieve a healthy weight with the right support and health coverage.
How to Determine if You Are Overweight?
Being overweight is about more than just a high number on the scale. Healthcare professionals use various tools to determine if someone is carrying excess weight, including:
BMI (Body Mass Index): A measure of body fat based on height and weight.
Waist-to-Height Ratio (WHtR): Assesses the proportion of abdominal fat to height.
Body Fat Percentage: Measures the proportion of fat mass in the body.
You are generally considered overweight if your BMI falls between 25 and 29.9 and obese if it is 30 or higher. However, BMI has limitations as it does not distinguish between muscle and fat. That is why using tools like a height per weight calculator in conjunction with other measures, like a chart for weight, height, and age can provide a more personalized and accurate insight into your health status.
Take control of your health by managing your weight and securing the right coverage.
Importance of Waist-to-Height Ratio (WHtR)
While BMI and weight-for-height charts offer a good starting point, they don’t show where fat is stored in the body. Fat around the abdomen, in particular, can increase the risk of serious health issues. That’s where the Waist-to-Height Ratio (WHtR) comes in; it is a simple and effective way to assess abdominal fat and better predict risks like heart disease, diabetes, and high blood pressure.
How to Calculate the Waist-to-Height Ratio?
The Waist-to-Height ratio is calculated by dividing your waist circumference by your height. It indicates whether the fat around your stomach is in a healthy proportion to your height. A waist that is too large relative to your height can signal a higher risk of health problems, like obesity, diabetes, etc., even if your BMI or weight chart indicates you are at a "normal" weight.
Waist-to-Height Ratio Formula:
Here is the formula for the Waist-to-Height ratio:
Waist-to-Height Ratio = Height (cm)/Waist Circumference (cm)
For Example:
Waist: 80 cm
Height: 170 cm
WHtR=170/80 =0.47
Why Waist-to-Height Ratio Should be Considered with BMI?
The Waist-to-Height ratio should be considered along with BMI because of the following reasons:
BMI Does Not Show Fat Location: BMI provides an overall weight assessment but does not indicate where fat is stored.
Read more
What is a Healthy Waist-to-Height Ratio?
WHtR Range
Health Category
Below 0.40
Underweight
0.40 – 0.49
Healthy range
0.50 – 0.59
Overweight or at risk
0.60 and above
High risk (obesity)
A general rule of thumb is that your waist circumference should be less than half of your height. So, if you're 170 cm tall, your waist should ideally be under 85 cm.
Your BMI tells a lot about your health—make sure you're protected against future risks.
Healthy Weight Range Using BMI
BMI (Body Mass Index) is a widely used and globally recognized method to classify individuals as underweight, healthy weight, overweight, or obese based on their weight relative to their height. You can easily use a body BMI calculator (male/female) to get an instant reading and compare your result against the weight according to height and age chart.
BMI Formula:
BMI= Weight (kg)/ Height (m)^2
BMI Categories:
The following are the various categories of BMI:
Underweight: Below 18.5
Normal weight: 18.5 – 24.9
Overweight: 25 – 29.9
Obese: More than 30
A healthy BMI means better coverage options. Secure your future!
Role of Calories in Weight Management
Managing your weight effectively also involves understanding and managing your daily calorie intake.
To Lose Weight
You need to create a calorie deficit by burning more calories than you consume.
A deficit of 500–1000 kcal per day can typically lead to a weight loss of 0.5–1 kg per week.
To Gain Weight
Focus on adding healthy calorie sources like nuts, whole grains, and lean proteins.
Aim for a gradual surplus of 300–500 kcal per day.
Always prioritize nutrient-dense calories, especially if you are considering buying or renewing health insurance, as unhealthy weight fluctuations can impact your eligibility or premium rates.
Ideal Weight with Body Fat Percentage
While BMI and height & weight charts offer a general assessment, body fat percentage provides a more detailed understanding of your body composition — the proportion of fat versus muscle, bone, and water. Increasingly, desirable weight calculators are incorporating body fat percentages for more accurate results.
Healthy Body Fat Range:
Men: 10–20%
Women: 20–30%
Measuring body fat gives a clearer view of your overall fitness level. Two individuals can have the same weight and BMI but significantly different body fat percentages, highlighting the limitations of relying solely on these measures.
Body fat percentage offers a clearer picture of your health—make sure your insurance plan aligns with your needs.
Tips to Maintain a Healthy Weight
Maintaining your ideal body weight is a journey focused on balance and sustainable habits, and not quick fixes. Here are some practical tips to guide you:
Embrace a Balanced Diet
Focus on foods rich in fibre, lean protein, and healthy fats.
Limit Processed Foods
Reduce your intake of processed sugars and trans fats.
Stay Hydrated
Drink an adequate amount of water daily, usually 2-3 litres.
Prioritize Sleep
Aim for 7–8 hours of quality sleep each night.
Indulge in Physical Activity
Include at least 30 minutes of physical activity in your routine.
Track Your Progress
Use an ideal weight calculator or find an ideal weight tool to monitor your journey.
As you embrace healthy habits, make sure you have health insurance that complements your goals.
FAQs
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Q1. How do I calculate my ideal weight?
Ans: To calculate your ideal weight, you can use an ideal weight calculator that takes your height, gender, and age into account. You can also check a weight-as-per-height chart to see the healthy range for your body. -
Q2. What is my correct weight in kg?
Ans: Your correct weight in kg depends on your height and age. You can find it by using a recommended weight calculator or by referring to a chart of weight according to height and age. -
Q3. How do I know my weight is perfect?
Ans: You know your weight is perfect when your BMI is between 18.5 and 24.9, your waist-to-height ratio is below 0.5, and your body fat percentage is in the healthy range for your age and gender. -
Q4. What is a healthy weight?
Ans: A healthy weight is the weight that reduces health risks and helps you stay active and fit. It usually falls within the ideal BMI range and matches the value shown in a height & age, and weight chart.
BMI chart for adults
BMI chart for children & teens
For Boys
For Girls
How to understand the BMI percentile chart for boys
The BMI Chart helps track Body Mass Index (BMI) in boys aged 5 to 18, indicating healthy, underweight, overweight, and obese ranges. The curved lines represent different BMI percentiles, showing how a child's BMI compares to peers.
At the bottom of the chart, ages from 5 to 18 years are displayed, while the left and right sides indicate BMI values. The black lines represent different percentiles
Read more
How to understand the BMI percentile chart for girls
The BMI Chart tracks Body Mass Index (BMI) in girls aged 5 to 18, helping assess growth patterns and weight categories. The curved lines represent different BMI percentiles, showing how a child's BMI compares to peers.
At the bottom of the chart, ages from 5 to 18 years are listed, while the left and right sides display BMI values. The black lines represent percentiles
Read more
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