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someone please help me with this..

how to compute for a problem with mg/kg/ given...

for example the doctor's order is 150mg (4mg/kg) for a client who weighs 9 lbs.. the question is how many ml of the medication will you give...

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someone please help me with this..

how to compute for a problem with mg/kg/ given...

for example the doctor's order is 150mg (4mg/kg) for a client who weighs 9 lbs.. the question is how many ml of the medication will you give...

Divide the weight in lbs to Kg by 2.2 and then multiply that by the mg, and then you need to see how many mg are there in a ml to calculate how many ml

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Remember that there are 16 ounces in a pound so 1lb 8ounces is actually 1.5lbs x 2.2 =3.3kgs

Not relevant for most things but for newborns and babies its important.

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Remember that there are 16 ounces in a pound so 1lb 8ounces is actually 1.5lbs x 2.2 =3.3kgs

Not relevant for most things but for newborns and babies its important.

Sorry, but not correct. 500 mg is just over a pound. 1 kg = 2.2 lbs.

So divide the weight in pounds by 2.2 to get the number of kg, or multiply the kg by 2.2 to get the pounds.

3.3 kg is actually 7.26 pounds. The average size of a newborn baby.

9 pounds is going to be just over 4 kg.

This is mistake that many make but could be costly in calculating a dose.

The first responder was actually correct.

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Sorry, but not correct. 500 kg is just over a pound. 1 kg = 2.2 lbs.

So divide the weight in pounds by 2.2 to get the number of kg, or multiply the kg by 2.2 to get the pounds.

3.3 kg is actually 7.26 pounds. The average size of a newborn baby.

9 pounds is going to be just over 4 kg.

This is mistake that many make but could be costly in calculating a dose.

The first responder was actually correct.

So I reread my post this morning...yeah...way off base...although I'm pretty sure 500kg is more than a pound too...Perhaps we are both a little sleep deprived?

My point was supposed to be this...

if Mom tells you that her baby weighs 7lbs8oz, don't enter 7.8 into the calculator and then divide by 2.2 as your answer would be incorrect.

I'm sorry for my first post...totally confused the issue.

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Specializes in Medical and general practice now LTC.

7lb 8oz = 3.54Kg

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Specializes in Critical Care.
someone please help me with this..

how to compute for a problem with mg/kg/ given...

for example the doctor's order is 150mg (4mg/kg) for a client who weighs 9 lbs.. the question is how many ml of the medication will you give...

We're lacking the concentration (mg/mL) to solve this question.

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7lb 8oz = 3.54Kg

That's my point. 7lbs 8oz is actually 7.5lbs and = 3.4kgs. It wouldn't make much of a difference with medications I suppose but when calculating weight gain or loss it could be significant.

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Specializes in NICU.
if Mom tells you that her baby weighs 7lbs8oz, don't enter 7.8 into the calculator and then divide by 2.2 as your answer would be incorrect.

There is a lady at work that does this that drives me nuts!!

We weigh all the babies on night shift and then we'll write the weight in the kardex (in kg/g and lbs/oz). We also chart the weight in the computer ..... so say the baby weighs 1.5 kg, we type that in the computer and then it converts it to pounds/ounces which is 3.3 pounds. She will tell the parents the baby is 3 pounds 3 ounces. WRONG! The baby is 3 pounds 4.8 ounces (I just take .3 and multiply it by 16, as there are 16 ounces in a pound).

As far as the OP's question, we need a concentration to solve for mls.

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I meant 500 mg is just over a pound, I was doing that during the night.

The point was that 1.5 lbs was not equal to over 3 kg, and I was just trying to clear that up.

Sorry.

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