Use the free Ideal Weight Calculator on AixKit to get instant, accurate results in your browser. No sign-up or installation required.
Height: 170 cm
Gender: Male
Frame: Medium
Age: 25 years
Ideal Weight: 0.00 kg
Hint: The ideal weight is calculated using the Robinson formula for height, gender, and frame size.
Understanding your ideal weight is an essential part of maintaining long-term health, enhancing fitness, and achieving personal wellness goals. Whether you're embarking on a weight management journey, building muscle, or seeking better health outcomes, knowing your ideal weight gives you a practical target to aim for.
The Ideal Weight Calculator provides you with an estimated target weight based on your height, sex, age, and body frame. While this number may vary slightly depending on the formula used, it provides a valuable benchmark to support healthy living and medical planning.
An ideal weight is the weight at which your body functions optimally. It helps reduce your risk for health complications such as high blood pressure, cardiovascular disease, diabetes, and other weight-related conditions. The term “ideal” doesn’t mean “perfect” – rather, it refers to a weight that aligns with your body's structure and is considered healthy by medical and fitness standards.
Our Ideal Weight Calculator uses several widely accepted formulas to give you a personalized result. These formulas take into account your:
Each formula produces slightly different results. By comparing multiple formulas, the calculator gives you a healthy range rather than a single rigid number.
Originally developed for medical dosing, the Devine formula is one of the most common ways to calculate ideal body weight.
This method updates the Devine formula with a more modern approach, producing slightly lower ideal weight estimates.
A slightly more conservative approach to ideal weight:
The Hamwi formula has long been used in clinical settings:
Body frame size affects your ideal weight. People with large frames tend to carry more bone mass and muscle naturally, and can weigh more without being overweight. Our calculator optionally uses wrist circumference to estimate whether you have a small, medium, or large frame.
For example, a 5’5” woman with a wrist circumference of 5.5 inches would likely have a small frame.
Here’s a sample of general ideal weight ranges based on BMI and traditional formulas:
Remember: these are guidelines, not hard rules. Your ideal weight may fall slightly outside this range depending on your body composition and fitness level.
“Healthy weight” refers to a range that minimizes health risks, while “ideal weight” is often narrower and based on calculations. You can be healthy at weights slightly above or below your calculated ideal if your body fat percentage, muscle mass, and metabolic markers are in check.
Several biological and lifestyle factors influence your ideal weight:
Knowing your ideal weight allows you to:
While useful, ideal weight calculators are not perfect. They do not:
For example, a bodybuilder may weigh above the “ideal” range due to increased muscle mass but still be in optimal health.
On average, men’s ideal weights are higher due to greater lean muscle mass and bone density. Women carry more essential fat due to reproductive needs. Calculators adjust for these differences.
If your weight is far from your calculated ideal, or if you’re experiencing symptoms related to being underweight or overweight, speak with a healthcare provider. Medical, nutritional, and psychological support can be vital.
Yes. Ideal weight is just a reference. Focus on how you feel, function, and your risk markers.
That’s normal. Muscle mass increases weight without being unhealthy. Use body fat percentage as a better marker.
Not directly in most formulas, but older adults may have different fat-to-muscle ratios, impacting how their weight is interpreted.
There’s no single “best” formula. Devine and Robinson are widely used, and comparing multiple gives a better range.
Knowing your ideal weight is a powerful first step toward better health, fitness, and self-awareness. While numbers from the calculator are not absolute, they offer a strong benchmark to inform your decisions. Whether you want to lose fat, build muscle, or just maintain, the Ideal Weight Calculator provides a realistic, science-based target to aim for.
Use the number as motivation—not limitation—and remember that real health is about consistency, balance, and self-care. Stay active, eat well, and listen to your body as you work toward your goals.
