Ideal Body Weight (IBW) Calculator for Men & Women

Ideal Body Weight Calculator
Ideal Body Weight Calculator

In an era where everyone tries to look perfect, it is no surprise that people work to achieve the ideal body weight. If you’re also someone worried about your looks, weight, or health, this ideal body weight calculator is a perfect option.

The tool measures your ideal body weight depending on your sex, age, and current height. If you’re here to know more about this tool, you’re lucky because we’ll cover everything for you!

Ideal Body Weight Calculator

Ideal Body Weight; What Does it Mean?

Ideal body weight, or IBW, estimates how much you should weigh based on your gender, height, age, and other factors.

This weight is measured with different formulas, some of which include the Miller formula, the Robinson formula, the Hamwi formula, and the Devine formula. Yet, since the IBW gives you the estimated weight, it cannot be universally applicable.

What’s the IBW Calculator?

The IBW calculator is a unique tool that calculates your ideal weight by considering your sex, age, and height.

We often see the idea of the “ideal body weight” in movies, TV, or magazines. While the ideal body weight depends much on the visual appeal, it was used for medical purposes for estimating dosages.

Formulas used for this purpose aren’t always linked to a person’s weight, yet the IBW is used throughout sports on a wide scale.

Since the IBW calculator misses out on considering several important factors like your body muscle and fat mass, it’s pretty usual to be under or over your ideal body weight.

Formulas for Ideal Body Weight by Height Calculator

weighing scale and measuring tape
weighing scale and measuring tape

While the most widely used formula is the Devine formula for measuring the ideal body weight, you have four different formulas commonly used to measure your IBW. Below are the commonly-used formulas for calculating IBW.

Ideal Body Weight Calculator Female Formulas

Robinson formula

49 kg + 1.7 kg per every inch over 5 feet

Miller formula

53.1 kg + 1.36 kg per every inch over 5 feet

Hamwi formula

45.5 kg + 2.2 kg per every inch over 5 feet

Devine formula

45.5 kg + 2.3 kg per every inch over 5 feet

Equations for Ideal Weight Calculator for Men

Devine formula

50.0 kg + 2.3 kg per every inch over 5 feet

Robinson formula

52 kg + 1.9 kg per every inch over 5 feet

Miller formula

56.2 kg + 1.41 kg per every inch over 5 feet

Hamwi formula

48.0 kg + 2.7 kg per every inch over 5 feet

What Should be My Ideal Body Weight?

a girl measuring her waist
a girl measuring her waist

There’s not one answer to what your ideal body weight should be. Science has no single answer; rather, it depends on every individual. Because of the variations, neither IBW nor the BMI can tell you the ideal weight for you to remain healthy.

The numbers are just references you need to keep in mind. Yet, exercise and a good diet must be part of your everyday routine to maintain the best body weight for your age and height.

How to Determine Ideal Body Weight?

Determining what weight I should be for my height and age is pretty easy with our ideal body weight calculator. To use the tool, you need to enter your gender, age, and current height.

  • Select the system you want to use to measure your ideal body weight, and that’s it!
  • Enter the values.
  • Press the calculate button to get your results immediately.

Ideal Body Weight Chart

NormalOverweightObesitySevere Obesity
4ft 10″(58″)91 to 115 lbs.119 to 138 lbs.143 to 186 lbs.191 to 258 lbs.
4ft 11″(59″)94 to 119 lbs.124 to 143 lbs.148 to 193 lbs.198 to 267 lbs.
5ft(60″)97 to 123 lbs.128 to 148 lbs.153 to 199 lbs.204 to 276 lbs.
5ft 1″(61″)100 to 127 lbs.132 to 153 lbs.158 to 206 lbs.211 to 285 lbs.
5ft 2″(62″)104 to 131 lbs.136 to 158 lbs.164 to 213 lbs.218 to 295 lbs.
5ft 3″(63″)107 to 135 lbs.141 to 163 lbs.169 to 220 lbs.225 to 304 lbs.
5ft 4″(64″)110 to 140 lbs.145 to 169 lbs.174 to 227 lbs.232 to 314 lbs.
5ft 5″(65″)114 to 144 lbs.150 to 174 lbs.180 to 234 lbs.240 to 324 lbs.
5ft 6″(66″)118 to 148 lbs.155 to 179 lbs.186 to 241 lbs.247 to 334 lbs.
5ft 7″(67″)121 to 153 lbs.159 to 185 lbs.191 to 249 lbs.255 to 344 lbs.
5ft 8″(68″)125 to 158 lbs.164 to 190 lbs.197 to 256 lbs.262 to 354 lbs.
5ft 9″(69″)128 to 162 lbs.169 to 196 lbs.203 to 263 lbs.270 to 365 lbs.
5ft 10″(70″)132 to 167 lbs.174 to 202 lbs.209 to 271 lbs.278 to 376 lbs.
5ft 11″(71″)136 to 172 lbs.179 to 208 lbs.215 to 279 lbs.286 to 386 lbs.
6ft(72″)140 to 177 lbs.184 to 213 lbs.221 to 287 lbs.294 to 397 lbs.
6ft 1″(73″)144 to 182 lbs.189 to 219 lbs.227 to 295 lbs.302 to 408 lbs.
6ft 2″(74″)148 to 186 lbs.194 to 225 lbs.233 to 303 lbs.311 to 420 lbs.
6ft 3″(75″)152 to 192 lbs.200 to 232 lbs.240 to 311 lbs.319 to 431 lbs.
6ft 4″(76″)156 to 197 lbs.205 to 238 lbs.246 to 320 lbs.328 to 443 lbs.

How to Maintain the Ideal Body Weight?

woman before and after weight loss
a woman before and after weight loss

The IBW chart will show you if you have the ideal body weight or not. Either way, you’ll need to take a holistic approach to maintain your weight correctly!

Diet, exercise, and stress are all factors that you need to consider. Here are some ways to maintain your ideal body weight goals.


We all know the role of exercise in our everyday lives. An inactive lifestyle can lead to a lot of fat build-up in your body, causing you to gain weight and ultimately exceed the ideal body weight.

Try to maintain your body weight by burning calories with 150-minute exercise per week. As a beginner, you can start with less intensive activities like yoga or low-intensity strength exercises. You can try bike exercises to lose weight.

Healthy Diet

Exercise and diet always go hand in hand, so you can’t miss out on either. Talk to a nutritionist about keeping your diet healthy. Focus on eating whole grains instead of semi-polished or refined grains.

Choose high-quality proteins in your diet and include good fat foods like seeds, nuts, clarified, and butter. Make sure to have one to two servings of fruits and three to four servings of veggies in your diet.

Here is a list of natural weight-loss foods you can include in your diet!

Managing Your Lifestyle

Besides exercise and diet, you must also check your lifestyle to achieve the ideal body weight. Make sure you’re getting enough sleep and bring meditation into your life. Try to adopt healthy lifestyle habits along with diet and exercise!

Limitations of the Optimal Weight Calculator

weighing scale
a weighing scale

Remember how we mentioned at the start that our normal weight calculator isn’t a 100% ideal tool for measuring ideal body weight because it has certain limitations to its use?

  • The ideal body weight calculator isn’t for everyone! It is limited to certain heights and ages. It won’t work well for athletes, differently-abled, and sports people.
  • The calculator doesn’t consider the muscle mass to body fat percentage.
  • Our calculator is only valid for adults. Don’t use this for kids; instead, consider consulting a specialist.
  • The ideal body weight calculator isn’t for pregnant women.
  • It is just a general guideline of your weight calculated using popular formulas. The values aren’t strictly to be followed.

If you like our IBW calculator, you can use our other handy tools!


What is the best formula for measuring ideal body weight?

While you have multiple formulas for measuring ideal body weight, the Devine formula is the most widely used one. It is used to calculate drug doses. Other formulas aren’t very different, but only try to improve this formula.

How can I calculate in pounds, my ideal body weight?

You can use the modified version of the Devine formula to measure your ideal body weight. That is in pounds. For men, the formula is 110.23 lb + 5.1lb/inch over 5 feet. Women should use this formula; 100.3 lb + 5.1lb/inch over 5 feet.

What should be my weight for my height and age?

You can consult the weight and height chart to see your ideal body weight for your age and height. You can also use the ideal body weight calculator to see whether your weight falls in the normal range or not.


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