How Much Should I Weigh?

Calculate ideal weight based on gender, height, and frame size.

This ideal weight calculator determines how much you should weigh based on height, gender, and frame size. There are several different formulas used to calculate ideal weight. However, there is no one perfect formula, so this ideal weight calculator uses several popular formulas to allow for easy comparison (with the name of each formula in brackets).

Ideal Weight Calculator Instructions

  • To determine your frame size use the frame size calculator.
  • Select if you want to calculate your ideal weight in pounds (US units) or in kilograms (metric).
  • Simply enter your gender, frame size, and height. Then click calculate. To make another calculation, click reset.
US UnitsMetric

Ideal Weight Calculator

Frame size *
*Calculate frame size

Ideal Weight Calculator

Frame size *
*Calculate frame size

This calculator is for adults. There are different formulas to determine a healthy weight for children.

As with all methods of determining ideal weight, this weight calculator provides only an estimate. Ideal weight based on frame size may fall outside the healthy BMI range for petite, small-framed women and large-framed men.

However, aim to stay within your healthy BMI range, or speak to your doctor about what is a healthy weight for you. Your healthcare provider will be able to assess your body composition and health more accurately, such as by measuring your body fat percentage.

How Much Should I Weigh?

The above ideal weight calculator and charts highlight how “ideal” body weight might vary between individuals based on the size of their frame. But frame size is not the only factor to consider when determining what a healthy weight is for you.

View ideal weight only as a general guideline. The point of this ideal weight calculator and these weight charts is to highlight that one size does not fit all. So don’t try to compare yourself with others and don’t follow very restrictive diets just to reach a certain number on the scale. You want to achieve the healthiest, happiest weight that is realistic for you.

This weight calculator considers frame size, gender, and height. However, in addition there are other important factors that affect ideal weight.

Body Shape. How your body fat is distributed affects how much you should weigh. That is because excess deep belly fat is associated with an increased risk of health conditions such as heart disease, high blood pressure, type 2 diabetes, stroke, and some cancers. It is possible to fall in the healthy weight BMI category, but have too much belly fat. 123

Body Composition. Another disadvantage in just using ideal weight is that does not consider body composition. In other words it does not differentiate between fat and muscle.7

For example, an athletic person with a lot of muscle could fall in the overweight BMI zone, such as Arnold Schwarzenegger or Dwayne “The Rock” Johnson. On the other hand, a person who is lightly muscled might fall in the healthy BMI weight category, but have unhealthy levels of body fat.891011

Looking just at body weight alone is limiting. Therefore, use body weight, as well as some of the methods below to help you determine how much you should weigh.121314

If you want to lose weight and improve your health follow a balanced approach that incorporates a healthy diet and regular physical activity.

What are the Formulas for Finding Ideal Weight?

Ideal weight formulas were originally developed for use by doctors to calculate drug dosages or determine nutritional needs. This calculator uses the following formulas:

  • Robinson Formula (1983)15
    Male: 52 kg + 1.9 kg per inch over 5 feet
    Female: 49 kg + 1.7 kg per inch over 5 feet
  • Miller Formula (1983)16
    Male: 56.2 kg + 1.41 kg per inch over 5 feet
    Female: 53.1 kg + 1.36 kg per inch over 5 feet
  • Hamwi Formula (1964)17.1819
    Male medium frame: 48.0 kg + 2.7 kg per inch over 5 feet
    Female medium frame: 45.5 kg + 2.2 kg per inch over 5 feet
    For a small frame subtract 10%, for a large body frame add 10%.
  • Devine Formula (1974)2021
    Male medium frame: 50.0 kg + 2.3 kg per inch over 5 feet
    Female medium frame: 45.5 kg + 2.3 kg per inch over 5 feet
    For a small frame subtract 10%, for a large body frame add 10%.

Body Mass Index

Body mass index is a popular method with health professionals for determining a healthy weight range. A higher BMI is associated with a higher level of body fat. Research shows that a higher BMI is associated with negative health consequences.222324 BMI is calculated dividing a person’s weight in kg by their height squared.

BMI = kg/m2

According to the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC) a healthy BMI range is defined as 18.5–24.9 for adult men and women.2526 From this you can determine what a healthy weight range is at a specific height.

BMI has been around for over 200 years and this definition of a healthy weight is largely based on populations of European descent. However, research increasingly shows that a healthy BMI can vary between ethnic groups.

A narrower BMI range of 18.5–22.9 was proposed by the WHO for the Asia-Pacific region, which has been adopted by several Asian countries including South Korea, Singapore, and India. 27282930 Since 2022, this BMI range has also been adopted in England for most people of Asian, African, and Middle Eastern decent. According to their recommendations, this is because people with a “South Asian, Chinese, other Asian, Middle Eastern, Black African or African-Caribbean family background are prone to central adiposity and their cardiometabolic risk occurs at a lower BMI.”31 It has not been adopted by the CDC, but is sometimes used in the United States to determine healthy weight for Asian Americans.32

When determining your ideal weight, it’s worth remembering the significant limitations of it. For example, such formulas are based on the data of a large group of people, and so are not specific to you. As such they can only provide a general estimate. Furthermore, there is no one perfect formula that considers all the factors that influence ideal weight. So any formula that attempts to calculate this will have a some limitations.

Ideal Weight Chart for Men & Women

For an overview of how much you should weigh, see the tables below. The normal weight column of the left is based on the standard healthy BMI range of 18.5-24.9, while the column on the right is based on the narrower health BMI range of 18.5-22.9.

US UnitsMetric
BMI 18.5-24.9
BMI 18.5–22.9
4 ft 10 in
(58 in)
89 – 119 lb89 – 109 lb
4 ft 11 in
(59 in)
92 – 123 lb92 – 113 lb
(60 in)
95 – 127 lb95 – 117 lb
5 ft 1 in
(61 in)
98 – 131 lb98 – 121 lb
5 ft 2 in
(62 in)
102 – 136 lb102 – 125 lb
5 ft 3 in
(63 in)
105 – 140 lb105 – 129 lb
5 ft 4 in
(64 in)
108 – 145 lb108 – 133 lb
5 ft 5 in
(65 in)
112 – 149 lb112 – 137 lb
5 ft 6 in
(66 in)
115 – 154 lb115 – 141 lb
5 ft 7 in
(67 in)
118 – 159 lb118 – 146 lb
5 ft 8 in
(68 in)
122 – 163 lb122 – 150 lb
5 ft 9 in
(69 in)
126 – 168 lb126 – 155 lb
5 ft 10 in
(70 in)
129 – 173 lb129 – 159 lb
5 ft 11 in
(71 in)
133 – 178 lb133 – 164 lb
6 ft
(72 in)
137 – 183 lb137 – 168 lb
6 ft 1 in
(73 in)
141 – 188 lb141 – 173 lb
6 ft 2 in
(74 in)
144 – 194 lb144 – 178 lb
6 ft 3 in
(75 in)
148 – 199 lb148 – 183 lb
6 ft 4 in
(76 in)
152 – 204 lb152 – 188 lb
BMI 18.5-24.9
BMI 18.5–22.9
150 cm42 – 56 kg42 – 51 kg
152 cm43 – 57 kg43 – 52 kg
154 cm44 – 59 kg44 – 54 kg
156 cm45 – 60 kg45 – 55 kg
158 cm47 – 62 kg47 – 57 kg
160 cm48 – 64 kg47 – 58 kg
162 cm49 – 65 kg49 – 60 kg
164 cm50 – 67 kg50 – 61 kg
166 cm51 – 68 kg51 – 63 kg
168 cm53 – 70 kg53 – 64 kg
170 cm54 – 72 kg54 – 66 kg
172 cm55 – 73 kg55 – 67 kg
174 cm56 – 75 kg56 – 69 kg
176 cm58 – 77 kg58 – 70 kg
178 cm59 – 79 kg59 – 72 kg
180 cm60 – 81 kg60 – 74 kg
182 cm62 – 82 kg62 – 75 kg
184 cm63 – 84 kg63 – 77 kg
186 cm64 – 86 kg64 – 79 kg
188 cm66 – 88 kg66 – 80 kg
190 cm67 – 90 kg67 – 82 kg
192 cm68 – 92 kg69 – 84 kg
194 cm70 – 94 kg70 – 86 kg
196 cm71 – 96 kg71 – 88 kg
198 cm73 – 98 kg73 – 89 kg
200 cm74 – 100 kg74 – 91 kg


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  1. I am a 5’11” guy with a smaller frame and I weigh 154 pounds. My girlfriend is 5’10”and her frame is a little larger than mine and she weighs 168lbs. We are both pretty close to our ideal for our height and frame size.

  2. Yes, eat whatever you want but in smaller quantities. Pass over the hundreds of slimming remedies and diet control companies, they are out to make money. Calorie control and omitting many different foods is boring and depressive. Drink a glass of water with the meal of your choice (smaller of course) and be happy. Weight loss will be 1-1.5 pounds a week. Try it, in its simplicity, it does work.

  3. Hi I’m 5ft 2″ and I am 126lbs. I can’t seem to get much smaller in size as I’ve still got a lot of weight to shift. I do 6 days a week at keep fit classes, body combat, gym, body pump etc!
    Does any one have any answers?

  4. I certainly agree the calculations are beginning points. According to my wrist I am small bone, according to my elbow (I used calipers) I am medium, yet when I was going to a health club I was told I was large boned. Also I was told at 23 that I should weigh about 135-140 pounds, I dieted & walked, but at 145 pounds the neighbors started asking my husband if they could do anything to help with my illness. My sister stood me in front of a long mirror (I didn’t have one in the house), and held a magazine with photos of anorexia. I stopped dieting that day!
    At 35 I had crept up to 198pounds and although I was on my feet all day, I was not sleeping well & stressed. Diet got me back to 168 pounds and a size 16 but i couldn’t go further on my own. I went to a health & fitness club and asked for a trainer that would kick my butt, be careful what you ask for :-), within three months I went from 32% body fat to 12 % , size 16 to 8. BUT I still weighed 168 pounds!
    You should only ever go by YOU. Find what you like even if you have to try everything first. I wrenched a hip kickboxing, dropped a free weight on my head, fell flat on my face running and twisted an ankle. I stuck to governed machines and yoga after that. Lol

  5. I came here from pinterest, decided to look around the site. When I saw a link to this page, I clicked it, rolled my eyes, and thought to my self “If this is just a BMI calculator I’m out of here” The consideration of my frame size as well as the gener al focus of the site not just on weight but other important factors like body fat percentage (after all no one likes being well built and then having that outdated BMI nonsense say they’re obese!) has really impressed me.

  6. I am 5’2″ tall with a very large body frame. My wrist is almost 7 inches and my elbow was 3 inches. Just an indicator, I carried twins to 9 months and I never even felt so much as a kick in my ribs. I did have a lot of pressure down below but no bone pain or intrauterine growth restriction. Being large framed has a lot of advantages. I am strong, powerful, and healthy.

    I know a lot of women would be sad to be large framed but not me. I rejoice in it.

    I just wish I had known about this when I was a kid. I was NEVER one of the skinny girls even though I ate well and got plenty of exercise. When I was a kid and a teenager I just thought I was fat. I was teased and made fun of because of my stocky build. If I had known at the time that I was not fat but that I was POWERFUL I would have kicked all their butts for picking on me. 🙂

    One of my twin girls is built just like me and as she gets older I am going to make sure that she understands that she isn’t fat and that there isn’t anything wrong with being a powerful woman. Of course, I have to be careful because her twin sister (fraternal) is build more like my husband. She will be taller, more slender, and will have a small to medium frame. I don’t want either of them to think that one build is preferable to the other so it will be a delicate balance.

  7. hey so im only 5’4 ad this say that i should weigh about what i do but i work out two to three hours a day is there and fast way you can see my dropping weight

  8. I agree- I’m 5’9″ with a large frame- it says I should weigh 149 and 170 pounds. I’m 156 currently, and I definitely have pudge. I can’t image all that going away at 149.

    • Hi Kailene,

      Anything that has to do with weight is only a best guess. The only way you can get an accurate idea of where you are and how much you have to lose is by having your body fat percentage professionally measured. Also, how much you weigh does not only depend on how much fat you carry or the size of your frame, but also muscle mass. For example, if you lose weight and also gain muscle, you might end up weighing more than you would have expected. Remember, the goal shouldn’t be a specific number on the scale. Most people need to gain muscle, and muscle is more dense than fat. Basically, it all comes down to body composition.

  9. this doesn’t seem right to me! I’m 5 feet 3 inches with a small bodyframe and it says my weight should be between 111-124 pounds. I’m 98 pounds at the moment which I think is a normal weight, I can’t imagine being between 111-124, I would look obese

    • Hi Jojo,

      Sorry for not getting back to you sooner. I think I ended up answering your question by answering Kailene’s, which is similar. Basically, weight is only a best guess. Why? Because is does not differentiate between muscle, fat and frame size. This calculator tries to make it a little more accurate by including frame size, but it doesn’t take how much muscle you have into consideration. You say you would look obese, but I think you mean you would look obese it you gained 10lbs of fat. If you gained muscle, you wouldn’t look obese. To accurately know where you stand you need to get your body fat percentage measured. Your results suggest that you may have little fat, little muscle and a slight skeleton. Also, your BMI is 17.4, which would put you in the underweight category (I don’t know your age and am assuming you’re over the age of 20 – there are different BMI charts if you are under 20 and your results would be very different – this calculator is also calibrated for adults). So it’s worth having your body composition measured.
      Research suggests that it is better to weigh a little more – if you can – and you could do that by gaining muscle. Studies show that people who are underweight are at higher risk of things like osteoporosis/ fractures, even if they are young. The thinner you are, the lower your bone density is likely to be. Also, body fat is important because it helps produce estrogen, which is necessary for healthy bones. If you have low levels of estrogen you are at increased risk of having porous and brittle bones. What’s more, for bones to become and remain strong they need weight. Which is why adding muscle or doing weight-bearing exercises, such as running and jumping are important if you are naturally skinny. Hope this helps!

    • On the other hand, I am 5′ 2″, weighing 125 with a small frame, and have rarely been more fit or eating better, as I’m running my first marathon in a few days. Based on my weight history and my current level of fitness, I know this is a great weight for me, and I certainly look better than I did 10 pounds ago.
      So it really does depend on the person!

    • I am 5 feet 3 inches and I have a small body frame. It says I should weigh between 111-124, and I weigh just over 111 pounds. In my opinion, I am most definitely far from obese, in fact I’m quite lean, and I’m actually at my ideal weight. Our bodies are probably (almost definitely) built differently, but weighing 111-124 pounds does not mean you are/look obese.


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