Ideal Body Measurements Calculator

Ideal Body Measurements Calculator
What are your ideal body measurements? The ideal body measurements calculator works this out for you, based on the Steve "Hercules" Reeves formula.


Ideal Body Measurements Calculator

Wrist size:
Ankle size:
Head size:
Pelvis size:
Knee size:
Neck: ??
Arms: ??
Chest: ??
Waist: ??
Thighs: ??
Calves: ??

129 Comments+ Post Comment

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Posted Sun, 07/26/2020 - 21:09

It wont give me a size for legs says NAN. And thats what I really wanted to know. How do I get it ?

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Posted Sat, 10/31/2020 - 00:07

Enter the measurements in INCHES or else it shows NAN

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Posted Mon, 04/20/2020 - 12:57

Everyone is in denial about there small chest! You have to take into account your lat size. They have way more effect on the chest measurement than your pecs do.

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Posted Sat, 08/10/2019 - 08:04
Harry Robbins

what does NAN stand for??

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Posted Mon, 08/12/2019 - 21:40

NAN stands for "Not A Number". It's a programming term.

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Posted Mon, 08/26/2019 - 03:56

NaN is someone's Grandmother in the UK. It can also mean bread in South Asian food.

But in this case it is when a calculated field returns a value that is "not a number." Probably happens if a number is left out or typed in as a mistake.

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Posted Sat, 05/23/2020 - 07:56
Gerard Hunsinger

so what does NAN mean?

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Posted Wed, 05/01/2019 - 16:29

Chest measurement result is way of guys, please rework your formular

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Posted Wed, 03/20/2019 - 19:46
Sheldon Lewis

I got the measurements. It was as I had expected it to be in some respects. I play football, so my pegs are well delveloped and my arms are like sticks. So, my ideal thigh and calf measurements are pretty close to my real-life measurments. I need to add around 4-5 inches in my arms.
But the thing I found wierd is that, MY CHEST NEEDS TO BE 12 INCHES BIGGER?! (That seems really messed up, because my chest is actually well developed) If my chest becomes that big compared to the other measurments given, I'm going to look like a potato with sticks for arms.

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Posted Tue, 08/13/2019 - 16:44
Eric Woodlee

If your measurements are that far off and I don't see a measurement for your shoulders then the measurement that you should be using could be your shoulders which also includes your chest.

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Posted Thu, 08/22/2019 - 18:01
kane spangler

Yep including shoulder because I’m 5’6” and everything is on point and my chest is 42” at 160lbs and with shoulders it’s 52” which makes sense

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Posted Mon, 12/16/2019 - 21:02
Eric b.

Remember tho.... The chest measurement also includes the lats.

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Posted Tue, 02/19/2019 - 16:40

The height measurement does not include my height! I am 5 foot tall and if I were to add 5 inches my calculation would be extremely skewed.

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Posted Mon, 02/04/2019 - 14:23

I like this as a quick calc. The calc seems to follow Steve Reeves formula in the book “Building the Classic Physique: The Natural Way”. It's a good way to get an idea of where you should be. The mirror will take you the rest of the way. If you look in the mirror and your chest/back looks too small in proportion to your arms, you know you need to work on getting thicker around your chest/back. Use this as a guide. Be careful to type in your measurements correctly and accurately in inches for best results.

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Posted Tue, 11/20/2018 - 19:43

This calculator is not very reliable, is it?

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Posted Fri, 10/19/2018 - 20:05

Wow. I am stunned to say that my measurements now are pretty close to what the charts says. I have 15 inch arms where it says I should have 16, 39.5 inch chest where it says I should have a 41, 27.5ish inch waist which is already rediculous and it wants me to have a 24, and 24 inch thighs which is spot on.

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Posted Mon, 09/17/2018 - 16:55

with my 5.9 height i would have 73 arms ridicules.

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Posted Mon, 11/19/2018 - 18:39

You may have mistype something mate.

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Posted Mon, 06/04/2018 - 12:18

According to this, my chest should be 60 inches... I went to the mirror with the tape measure to see what that would be and all I can say is that there must be something very wrong with this calculator...

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Posted Mon, 07/23/2018 - 22:30

It said mine is supposed to be 61". For spec brian shaw has a 60" chest. It also said my thighs are supposed to be 26".
Do you know how retarded it would look to put little 26" thighs on brian shaw? Lmfao! This calculator is bogus. My chest is 54" and already too big for my thighs.

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Posted Sat, 08/11/2018 - 02:55

when you measure your chest you have to take into account your back size make a huge difference. you may have a large chest but of if you dont have a large back that can make a huge difference

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Posted Mon, 06/04/2018 - 07:21

with my 188cm height and other measurement I would have to have 150mm in chest ... ridicules!
don't use this shit!

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Posted Sat, 12/09/2017 - 04:46

insane, at 5'9" 155lbs they say i should have 17in neck 18in biceps 26in thighs 19in calves 53in chest 31in waist ankles are 10 in, wrist is 7in 15knee 22in head 3in pelvis...closest thing is my waist is 30 otherwise thats nuts i have 14" bi 40ch , 21q 15c

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Posted Thu, 10/25/2018 - 14:23

The calculation is somehow right.
The calculator show upto how much you can put mass on your body..

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Posted Sun, 09/24/2017 - 23:41

It was close not sure what to think of it
I am 5"6 185
Waist 33
Chest 50
Arms 15
Calves 15
Neck 15
Quads 23
Wrist 6
Ankle 6

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Posted Wed, 12/06/2017 - 02:15

You are 5'6 and weight 185 with 6 inch wrist and ankle? Wtf? And manage to keep a 33 inch waist? You must have a lot of muscle. Seems like you have big quads and chest, maybe a big back too? My shoulders are 49 inches, my arms are (left) 15.5 - 16 (right), my calve are (left) 16 - 16.5 (right), IDK about my chest hard to measure it on my own. My quads are (left) 23.5 to 24 (right). My neck is 15, my wrist is 7 3/4 my ankle is like 10 inches (I have big ankles). My hand in circumference is 10 inches. My hips are 38 inches, my Forearms (left) 13.5 - 14 inches (right), my waist is 34... I underwent depression and gained lots of fat from 208 I'm down to 175 lbs in 3 months right now thanx to longboarding and working out. My stomach is my main goal at the moment considering when I was a 155 lbs my waist was 29 inches with 15.5 inch arms.

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Posted Sun, 10/07/2018 - 11:54

Yeah right a 6 inch wrist and a 50 inch chest ??

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Posted Tue, 05/23/2017 - 02:52
David Budi Wartono

pls add in centimeters too

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Posted Mon, 05/02/2016 - 13:20

Do you measure your chest with or without your arms? In other words would it be chest size or shoulders?

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Posted Thu, 01/19/2017 - 11:35
abraham mata

i measured my chest under my arms and had my brother measure the tape for me so there wouldnt be any flexiing involved . so I guess under the arms bro so its more accurate.

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Posted Sun, 09/27/2015 - 03:53

No doubt having those wonderful stats and weight would lead to an early death often. Just check the stats in the five long-living areas of the world called Blue Zones and you will learn that even our BMI tables are too high such that at 5 10 the best BMI for me is around 21, not 25.

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Posted Fri, 07/22/2016 - 17:49
SM Archer

Foremost, BMI has been demonstrated to be utter tripe. Furthermore, how do you explain Jim Fixx vs Jackie Gleason. Or Charles Durning vs. Charles Bronson---died at 89 & 81 respectively. Moreover, Reeves lived well into his 1980s.
Richard, I think you, and your ilk, are pushing junk science. Yes, there are some very good habits to pick up from the Blue Zone Diet. However, it's not an absolute and the BMI of those regions is as much genetics as diet.
In closing, think before you speak.
In closing,

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Posted Sun, 08/28/2016 - 12:40
Bob M

I believe BMI was designed by the US Army to look at trends in the population and individual soldiers. Waist to height is a much better indicator.

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Posted Mon, 08/21/2017 - 22:54

Anecdotes are useless. I agree that the "Western" body type is large for BMI, but the people who live the longest are those who have for security (not starving) but the lowest BMI. I know there is a proven link, not sure if they've shown causation.

That said, I'm 6'4" 195 w/ 9% bf so fairly scrawny and am bordering on overweight according to BMI...

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Posted Fri, 04/27/2018 - 16:56

Tell me about it! I am 6'3", and when I was 220 I was told I needed to lose weight. I was still too slim for my frame. I looked like a basketball player. The maximum weight for my height was 205 according to the height-weight charts, and I was so skinny at that weight if I turned sideways you couldn't see me. Their small, medium, and large frame estimates are way off. I have narrow shoulders and small wrists, but my arms are 30" long and my inseam is 36"! I look anorexic below 200 lbs.

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Posted Wed, 04/04/2018 - 12:21

Reeves, if you are talking about Steve, died at 74 of a blood clot after surgery, having recently been diagnosed with lymphoma.

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Posted Thu, 09/10/2015 - 11:14

what does NAN" mean?

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Posted Sun, 09/20/2015 - 00:42

NaN = Not a Number

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Posted Mon, 07/06/2015 - 15:21

almost correct but chest should be 53" lol mines 47" neck 17" waist 31" thighs 26" arms 18" calves 17" has anyone tried getting clothes to fit them because id like to know all my gear is strechy lol its amazing no-ones got on to this yet

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Posted Sat, 06/27/2015 - 06:52

Don't get caught up in this guys and girls, this is not a blueprint of how you should/will look, you can have thin wrists it wont prevent you from gaining muscle and it doesn't matter. All this talk of ecto, meso and endomorph wont limit you to how your body can look.

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Posted Sat, 06/13/2015 - 15:47

It show cheast size 53" ,and waist 31" how it is possible. Currently my cheast is 39"

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Posted Sun, 06/12/2016 - 05:10
P.Nagy Balin

My chest is curently at 45", according to the calculator my ideal is 58" ridicuolous. My waist is 30" but it should be 34" altough i think tha lower the more aestzhatic, so i'M on ther better side :D

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Posted Thu, 01/15/2015 - 13:05

I realize this thread goes back a ways, but to address some of the repeated questions, this calculator is based on a book a now dead guy wrote back in like the 1950's. So yeah, it doesn't cater to women, nor to overly tall or short people. Sorry. Blame it on the times.

Its not meant to be the end-all, be-all calculator for ideal physique, its meant to simply take the ideals as presented by a famous 50's body builder, and make them into an online calculator.

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Posted Tue, 11/11/2014 - 22:24

this according to the calculator: 18"Arms: 18"Chest: 50"Waist: 29"Thighs: 25"Calves: 16"Ideal bodyweight: 175lbs
but how can this put limit of 175 lbs since muscle weight is pretty much more!
currently my measurements are
16" biceps 44" chest 33" waist 22" thighs 14.5" calves with a weight of 78kg. I am going to come to that measurements but my weight is never going to be even closer to that!

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Posted Mon, 10/20/2014 - 11:41

where is the 6'8" option?...

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Posted Sun, 09/07/2014 - 00:37

Nate, it means you can't spell

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Posted Thu, 09/04/2014 - 16:49

Says I should have 23" arms - how do you lose size in your biceps?

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Posted Wed, 05/28/2014 - 17:11

Frank Zane!!

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Posted Wed, 05/14/2014 - 05:40

What about those of us under 5'5"?

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Posted Wed, 04/23/2014 - 21:36

It says I should have chest 61" waist 35" and thighs 29".... Rest two are exact but chest 61 seriously? it measuring around the shoulder or just the chest??