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View Full Version : How do I convert I.U. to mg.? Please help.


AllnightVi@aol.com
04-21-2006, 04:07 AM
I am trying to convert a big pile of turkey antibiotics for 333 gallons of water (I assume they expected me to have a LOT of turkeys, instead of just a few) to a smaller amount. They are young turkeys and weigh between 5 and 10 lbs. I only need to give them 50 mg of the antibiotic twice a day, and it seems like a waste to make up 333 gallons of the stuff and then throw most of it away. I nice small amount in an eyedropper would be great. I would like to get 50 mg into 1 ml of solution so I can just dose them twice a day and not waste any. I need a ten or twenty day supply (20 in case they do need a longer application). The bottle says it has 0.500 Billion I.U. of the antibiotic and it's total weight is 309.72 grams. (309.72g/333 gal = 0.93g/gal if that is of any help.) I need some help pretty fast as the birds seem to have an upper repertory tract infection. Please feel free to respond to me directly. Thank you, sincerely, Virgil Fritz. AllnightVi@aol.com

Robert Fogt
04-21-2006, 05:38 AM
IU is determined by international standard to be a certain amount, and it is different for every single drug or vitamin.

If you post the name of the drug I may be able to look it up, but the information is not easy to find.

Some information here:
http://www.onlineconversion.com/faq_02.htm

AllnightVi
04-21-2006, 08:40 PM
Someone asked what the antibiotic is. It is Penicillin G Potassium. The whole bottle contains 0.500 Billion I.U. of Penicillin G Potassium. I need to deliver about 50 mg/ml of Penicillin to the turkeys every six to twelve hours. I hope that helps. I will contact a pharmacy in the morning if I don't hear back from anyone. Thank you, sincerely, Virgil Fritz. AllnightVi@aol.com AllnightVi@aol.com

I am trying to convert a big pile of turkey antibiotics for 333 gallons of water (I assume they expected me to have a LOT of turkeys, instead of just a few) to a smaller amount. They are young turkeys and weigh between 5 and 10 lbs. I only need to give them 50 mg of the antibiotic twice a day, and it seems like a waste to make up 333 gallons of the stuff and then throw most of it away. I nice small amount in an eyedropper would be great. I would like to get 50 mg into 1 ml of solution so I can just dose them twice a day and not waste any. I need a ten or twenty day supply (20 in case they do need a longer application). The bottle says it has 0.500 Billion I.U. of the antibiotic and it's total weight is 309.72 grams. (309.72g/333 gal = 0.93g/gal if that is of any help.) I need some help pretty fast as the birds seem to have an upper repertory tract infection. Please feel free to respond to me directly. Thank you, sincerely, Virgil Fritz. AllnightVi@aol.com

AllnightVi
04-21-2006, 08:44 PM
Someone asked what the antibiotic is. It is Penicillin G Potassium. The whole bottle contains 0.500 Billion I.U. of Penicillin G Potassium. I need to deliver about 50 mg/ml of Penicillin to the turkeys every six to twelve hours. I hope that helps. I will contact a pharmacy in the morning if I don't hear back from anyone. Thank you, sincerely, Virgil Fritz. AllnightVi@aol.com (AllnightVi@aol.com)




IU is determined by international standard to be a certain amount, and it is different for every single drug or vitamin.

If you post the name of the drug I may be able to look it up, but the information is not easy to find.

Some information here:
http://www.onlineconversion.com/faq_02.htm

Robert Fogt
04-22-2006, 12:25 AM
I found some information on it.
http://www.rxlist.com/cgi/generic3/pengk_ids.htm

It contains a table for mixing various concentrations, but I could make little sense of it. I think your best bet would just be to contact the pharmacist. I would not want to risk making a mistake.

AllnightVi
04-22-2006, 01:47 PM
I drive my poor pharmacist crazy, but I found out that 250 mg of Penicillin G Potassium equals 400,000 I.U of Penicillin G Potassium. [400,000 i.u. Penicillin G Potassium = 250 mg Penicillin G potassium] Thank you, Robert, for the help, I couldn't have done it without you. The dose I need is 50 mg Penicillin which equals 80,000 I.U. I hope this helps anyone using Penicillin G Potassium, but remember, the I.U./mg. ratio is dependent on the specific drug or supplement. Contact a pharmacist to get the correct ratio. Thank you, sincerely, Virgil Fritz. AllnightVi@aol.com

Unregistered
04-30-2007, 10:52 AM
Would you be able to assist me in converting vitamin D3 from IU to mg or back? provide the formula please.
thanks!
j

bringhomer@msn.com
05-25-2007, 09:03 AM
My wife was advised by her ophthalmologist to take 15 mg of vitamin A/day. She bought a bottle of Bausch & Lomb pills for eyes called PreserVision which lists vitamin A as 28,640 IU for two pills/day recommended dose. Is she meeting what her Dr. recommended? Is she exceeding it or falling short?

Mrs X
05-26-2007, 12:46 AM
I haven't been able to find much info, but here is a useful page about vitamin A (Retinol, beta-carotene). http://www.lenntech.com/vitamins/vitamin-A.htm

Also, the bausch website:
http://www.bausch.com/en_US/consumer/visioncare/product/vitamins/preservision_softgel.aspx

Says that this amount of vitamin A is 576% of the RDI. I don't think that this will be as much as 15mg, it is probably closer to 4mg, as other information gives the RDI at 0.6mg. You could contact bausch and lomb through their website, or get your doctor to confirm the amount.

amazing possibilities
12-14-2007, 01:36 PM
Please assist me in converting vitamin D3 from IU to mg.

One tablet Iso D3 (cholecalciferol) is 2000 IU and I am to take 800 mg.

Provide the formula please.
Thanks!

Sam
01-02-2008, 01:31 AM
I think that your information is incorrect. According to the official European Pharmacopoeia 1 mg of colecalciferol (Vitamin D3) is equivalent to 40,000 IU. If you were to take 800 mg this would be 40,000 * 800 = 32,000,000 IU or 16,000 of your 2,000 IU tablets! I suggest that you reconsider where you get your dosage information from.

The normal daily dosage for Vitamin D3 is 800 IU. Perhaps you have somehow confused 800 IU with 800 mg?

Sam (Pharmacist)

Jamal
04-23-2009, 01:32 AM
Please assit me to covert Vit A IU to mg

Jamal
04-23-2009, 01:37 AM
Please assist me to convert Vit A IU to mg

Klemen Heber
10-22-2009, 03:31 PM
I.U. stands for International Unit, some common conversions are listed below. Vitamin A 1 mg = 2,907 IU of Vitamin A acetate 1 mg = 1,818 IU of Vitamin A palmitate Vitamin E Synthetic 1 mg = 1.0 IU of dl-alpha tocopheryl acetate Vitamin E Natural 1 mg = 1.

Unregistered
04-10-2010, 10:49 PM
500 i.u. of vitamin e is equal to how many miligram of vitamin e?

d1308
04-11-2010, 06:58 AM
How do I convert 31mcg of Vitamin K to IU?

Unregistered
07-14-2010, 11:09 AM
I think that your information is incorrect. According to the official European Pharmacopoeia 1 mg of colecalciferol (Vitamin D3) is equivalent to 40,000 IU. If you were to take 800 mg this would be 40,000 * 800 = 32,000,000 IU or 16,000 of your 2,000 IU tablets! I suggest that you reconsider where you get your dosage information from.

The normal daily dosage for Vitamin D3 is 800 IU. Perhaps you have somehow confused 800 IU with 800 mg?

Sam (Pharmacist)

I have the same difficulty, I think though that the mistake from the questioner was saying mg instead of mcg. I am interested to know how a 25mcg dose of D3 equates to a 400IU dose. Is it the same, or larger or what?

Unregistered
09-12-2010, 10:29 AM
Would you be able to assist me in converting vitamin D3 from IU to mg or back? provide the formula please.
thanks!
j

I also would like to know what 5000 IU of vitamin D would be in MG as my doctor told me to take 4000 MG of vitamin D daily

Unregistered
11-22-2010, 06:45 PM
I have been prescribed 50,000 IU a month in one capsule. I am confused also. It seems to me to be an extremely large dose taken once a month. It's amazing that nobody seems to really get an answer what the basis is. My pharmacist did not know either.

Mrs X
11-23-2010, 08:45 AM
http://ods.od.nih.gov/factsheets/vitamind/

Here is a great summary from the USA government. There are a couple of tables on it, one shows adequate vitamin D intakes, in both IU and mcg (µg), the other shows upper allowable limits, both in per day allowances.

It says that 5mcg of vitamin D is 200IU.

NOTE: IU is a measure of the body's response to a medication and it is different for every substance.

travis
09-15-2011, 12:34 PM
I have had my papaya powder tested by a lab for its nutritional value and the results came back but I dont know what to make of them. For ex. B-carotene 2,020IU/100g ?? Can you explain is this alot of b-carotene for that amount?

Unregistered
12-27-2011, 09:40 PM
Would you be able to assist me in converting vitamin D3 from IU to mg or back? provide the formula please.
thanks!

Unregistered
03-15-2012, 08:21 AM
An IU of Vitamin A and an IU of vitamin E or D or Beta carotene or whatever are all unique (apples and pears). There is no standard forrmula to convert milligram to I.U.
Optimal daily intake of vitamin D3 is 5 000 IU or 125 mcg (microgram is a thousandth of a milligram). Over 10 000 IU (250 mcg) per day is considered toxic on long term.
Optimal daily intake for Vitamin A (Retinol) for men is 3 000 IU or 900 mcg and for women is 2 334 IU or 700 mcg.
Beta carotene and carotenoids are more confusing as they introduce Retinol Equivalents and retinol activity equivalents (carotenes are converted to vitamin A in the liver.)
Optimal Vitamin E for adults is 15mg (milligrams) or 22.4 IU per day.
An International Unit is a measuremant of biological activity of a substance. The purpose is to compare activity of different forms of a vitamin-ingredient, eg. vitamin A-palmitate vs. vitamin A-acetate vs. retinol in different preparates.

marceo
02-20-2013, 04:46 PM
How do I concert in gram 29 percent of Vitamin A