Pharm ???? grains converted to mg.

  1. 0 Hi, stuck on a problem (gr iiss to mg) I know how to convert grains to mg, but this one problem I'm please assist. Thanks in advance.
  2. Visit  nursejackie2010 profile page

    About nursejackie2010

    Joined Oct '08; Posts: 37; Likes: 2.

    24 Comments so far...

  3. Visit  Orca profile page
    0
    Since gr iss=100mg, I presume the answer is 200mg.

    This question brings back memories. In my second semester of nursing school I was about to give my first injection, which made me nervous enough. Then I saw that the physician had written the order in grains. Fortunately I had brought my conversion table along.
  4. Visit  Mike the Nurse profile page
    1
    If my memory serves me right (and its been a long time since I did anything with grains). You are converting 2.5 grains to mg. 1 grain = 64.8 mg, so if I am correct the answer should be 162mg
    mamamerlee likes this.
  5. Visit  celclt profile page
    1
    griiss = 150 mg (2.5 gr x 60 mg/gr = 150 mg) -hth!
    oops:
    i =1 and ss= 1/2 so it is 2.5 gr (I had to take latin in hs)
    BEDPAN76 likes this.
  6. Visit  Little Panda RN profile page
    1
    ii = 2, ss = 1/2 so you would have 2 1/2 grains

    There are 65 mg per gr so you would have 162.5 mg in (iiss grains).

    At least this is the way I figured it!
    mamamerlee likes this.
  7. Visit  nursejackie2010 profile page
    0
    Thanks for the responses. It helped
  8. Visit  mamamerlee profile page
    2
    I always remember that a plain, regular aspirin is 5 gr/325mg. Roughly 1 gr/65 mg. Therefore iiss (2 l/2) gr / 162.5 mg

    But who is still using grains? Shouldn't all those old docs have died (or at least retired) by now????
    Last edit by mamamerlee on May 6, '10 : Reason: add on
    Faeriewand and Up2nogood RN like this.
  9. Visit  ~Mi Vida Loca~RN profile page
    1
    Interesting some say 65 and some say 60 mg per grain. Last semester when we went over this we were told 60grains per mg.
    BEDPAN76 likes this.
  10. Visit  classicdame profile page
    0
    JC does not like to see "iss" and similar entries in charts because it leads to ----guess what!! Confusion and possible med errors. I will be glad when grain orders are extinct.
  11. Visit  dthfytr profile page
    2
    I always remeber that 10 grains of Aspirin = 650 mg, hence 1 grain = 65 mg, or else I've got years of incident reports to catch up on.
    mamamerlee and caeRn like this.
  12. Visit  dthfytr profile page
    0
    Unit conversion dot org says 10 grains = 647.989100002 milligrams.
  13. Visit  NurseLoveJoy88 profile page
    1
    I was taught 60 mg to 1 grain. This is interesting...
    BEDPAN76 likes this.
  14. Visit  FlyingScot profile page
    2
    Seriously, is anybody still ordering in grains? In all my years of nursing I have never once seen an order using the apothecary system. Nursing students have enough to worry about without cramming useless information into their poor brains.
    Teresag_CNS and Up2nogood RN like this.


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