How Much Do 400 Cc Breast Implants Weigh?

I'm 5'7, 116 pounds and currently have a 34 A/B cup. I read online that one way to find out how big I should go was the birdseed-in-a-nylon route. After doing cup to cc conversion it came out to around 400cc's. The problem is, wearing the birdseed around got my neck and shoulder's quite sore. I'm worried that it will be the same with implants. Has anyone else complained of back/neck pain after implants?

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5 Doctor Answers | Asked by Grand Canyon Girl in Arizona

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How Much do Breast Implants Weigh?

Dear Grand Canyon Girl, Breast implants weigh about one gram per cc, so a 400 cc implant weighs about 400 grams, or 0.88 pounds. It is uncommon for breast implants to cause neck or back pain. Warmest wishes, Larry Fan, MD

Calculating The Weight Of Breast Implants

The weight of breast implants varies slightly based on whether they are saline or silicone. For saline implants, or water weight, 400cc roughly equals 400 grams or just under a pound. (specifically it is 1.7 lbs for both 400cc salinje breast implants) Silicone implants will weight slightly more than saline but only by about 15%. (1.9 lbs for both 400cc silicone implants) For implants of this size, I have never seen or heard of a patient complaining of symptoms that are more typical of large... more

Weight of an implant

Thank you for a very interesting question. In short, for the same volume, the implant is likely to be lighter than birdseed, i.e. birdseed will be denser than silicone/saline implants. I am surprised to hear about soreness of neck and shoulder. I cannot recall a patient ever complaining about this after even larger implants. I can only suggest that you try with 400g of weight on each side and if you still have any problem, consider smaller implants.

Anindya Lahiri, MBBS

4 reviews

Birmingham Plastic Surgeon

How much does 400cc weigh

This is any easy way to estimate the weight. 30cc's is 1 oz. So 400 cc's would be approximately 13 oz. Remember that this is 13oz per breast. 16oz is how much is in a bottle of soda.

How Much do Implants Weigh?

Implants weigh about 1 gram for every cc. A 400 cc implant weighs about 400 grams or .88 lbs. A pair of 400 cc implants weighs about 1 3/4 pounds. see video