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Dosage Conversions

Conversions Using the Metric System and Household System

TermDefinition
1 kilogram (kg) means one thousand 1000 grams
1 hectogram (hg) means one hundred 100 grams
1 dekagram (dag) means ten 10
1 gram (g) means one one
1 decigram (dg) means one-tenth 0.1 gram (1/10)
1 centigram (cg) means one-hundredth 0.01 gram (1/100)
1 milligram (mg) means one-thousandth 0.001 (1/1000)
1 microgram (mcg) means one-millionth 0.000001 (1/1,000,000)
1 nanogram (mg) means one-billionth 0.000000001 (1/1,000,000,000)
1 kiloliter (kL) 1000 liters
1 hectoliter (hL) 100 liters
1 dekaliter (daL) 10 liters
1 liter (l, L) 1000 mL, 1 qt, 32 fl oz
1 deciliter (dL) 0.1 liter (1/10 liter)
1 centiliter (cL) 0.01 liter (1/100 liter)
1 milliliter (mL) 0.001 liter (1/1000 liter)
1 kilometer (km) 1000 meters
1 hectometer (hm) 100 meters
1 dekameter (dam) 10 meters
1 metric (m) 1 meter
1 decimeter (dm) 0.1 meter (1/10 meter)
1 centimeter (cm) 0.01 meter (1/100 meter)
1 millimeter (mm) 0.001 meter (1/1000 meter)
1 drop (gt) (gtt) 1 minim (m)
1 teaspoon (t) 60 drops (gtt) 5 mL
1 tablespoon (T) 3 teaspoons (t)
1 ounce (oz) 2 tablespoons (T)
1 coffee cup (c) 6-8 ounces (oz)
1 medium-size glass 8 ounces (oz)
1 measuring cup 8 ounces (oz)
1 kg 2.2 lb.
0.5 L 1 pt, 16 fl oz
0.24 L 8 oz
30 mL 2 T, 6 t, 1 oz
15 mL 1 T, 3 t, 1/2 oz
4 mL 1 t
1 mL 15-16 gtt (drops)
2.54 cm 1 inch
25.4 mm 1 inch
To convert liters and quarts to ounces multiply the number of liters by 32
To convert ounces to liters divide the number of ounces by 32
To convert ounces to milliliters multiply the number of ounces by 30
To convert milliliters to ounces divide the number of milliliters by 30
To convert milliliters to drops multiple the number of milliliters by 15-16
To convert drops to milliliters divide the number of drops by 15-16
To convert grams to milligrams move the decimal point three spaces to the right
To convert milligrams to grams move the decimal point three spaces to the left
To convert inches to centimeters multiply the number of inches by 2.54
To convert centimeters to inches divide the number of centimeters by 2.54
To convert inches to meters multiply the number of inches by 0.0254
To convert meters to inches divide the number of meters by 0.0254
cap capsule
dr dram
elix elixir
g, gm, G, GM gram
gr grain
gtt drops
kg kilogram
l, L liter
m2 square meter
mcg microgram
mEq milliequivalent
mg milligram
mL, ml milliliter
m, min minim
oz ounce
pt pint
qt quart
SR sustained release
ss one half
supp suppository
susp suspension
T.O. telephone order
T, tbsp tablespoon
t, tsp teaspoon
V.O. verbal order
A.D., ad right ear
A.S., as left ear
A.U., au both ears
ID intradermal
IM intramuscular
IV intravenous
IVPB intravenous piggyback
KVO keep vein open
L left
NGT nasogastric tube
O.D., od right eye
O.S., os left eye
O.U., ou both eyes
PO, po, os by mouth
® right
SC, subc, sc, SQ, subQ subcutaneous
SL, sl, subl sublingual
TKO to keep open
Vag vaginal
AC, ac before meals
ad lib as desired
B.i.d., b.i.d., bid twice a day
with
hs hour of sleep, bedtime
without
NPO nothing by mouth
PC, pc after meals
PRN, prn whenever necessary, as needed
q every
aAM every morning
qh every hour
q2h every 2 hours
q4h every 4 hours
q6h every 6 hours
q8h every 8 hours
Q.i.d., q.i.d., qid four time a day
SOS once if necessary, if there is a need
STAT immediately
T.i.d., t.i.d., tid three times a day
Created by: 100000818133098