| The
following is a list of nursing calculators. Each calculator,
along with examples and formulas, provides a unique way to
review nursing math.
How
to use the calculators
Each link below, describing the calculator,
will take you to that calculator's web page. To work
these calculators, everything above the "solve"
button is for you to fill in. The answer(s) will be
shown below the "solve" button. Friendly alerts
will appear if you leave a box blank or type in something
wrong. You may see examples of the calculator on those
pages (examples shown are just for display).
| This calculator
does not
work. It is just for display. |
These
radio buttons let you choose between options. Click
and point with your mouse to select or change an option.
The dot indicates which option is selected. |
 |
All the
boxes above the "solve" button are for you
to fill in. These boxes require numbers or decimal points
(periods) only. |
| The
"solve" button takes whatever information
is entered and calculates the result. |
| All
boxes below the "solve" button are where the
results are displayed. Don't put anything here. |
|
|
|
The "reset"
button clears all information entered. The radio buttons
will go back to their default option. |
Dosage
calculators:
- PO dosage calculator
calculates liquid medications such
as acetaminophen elixir
- IV dosage calculator
calculates IV medications such
as furosemide and digoxin
Calculate
IV rates:
- IV rate (gtt/min)
calculates IV rates without
using an IV pump
- IV rate (mL/hr)
calculates IV rates when given
a time limit when IV must be infused
- mcg/min as mL/hr
calculates IV medication rates
such as norepinephrine and nitroglycerine
- mcg/kg/min as mL/hr
calculates IV medication rates
such as nitroprusside and dopamine
Calculate
infusion time:
- IV time (hrs)
given
an IV rate, calculates the duration of an IV
Calculate
dosage given or infusing:
There are times when the only way to figure out how much
medication is being infused is by looking at the information
on the IV bag and the rate of the infusion.
- mL/hr as dose/hr
calculates the dose of medications
infusing such as heparin
- mL/hr as mcg/min
calculates the dose of medications
infusing such as nitroglycerine and norepinephrine
- mL/hr as mcg/kg/min
calculates
the dose of medications infusing such as dobutamine and
nitroprusside
Clinical
Calculators
- pediatric dose calculator
converts an adult dosage into
a pediatric using BSA
- O2 remaining
in e-cylinder calculates
how much O2 is left according to rate infusing
- bsa calculator
calculates the BSA according
to height and weight
- drug absorption (Pka)
determines
how well a medication will be absorbed into the body
- O.R. fluid requirements
calculates
IV rate according to the type of surgery
- N.P.O. fluid
replacement
calculates fluid replacement
for time NPO
- allowable blood
loss calculates
how much blood can be lost without needing a transfusion
- estimated blood
volume estimates
how much blood is in a person's body
- Ideal Body Weight (IBW)
compares an individuals weight
against a statistical norm
- Adjusted Body Weight
(ABW) calculates
the ABW in obese persons for more accurate drug dosing
Conversion
Calculators
- °F,°C conversions
converts Fahrenheit and Celsius
temperatures
- pounds to kilograms
converts pound and kilogram
weights
- inches to centimeters
converts inch and centimeter
lengths
- % solutions to
mg/mL converts
% solution into mg/mL concentration
- epinephrine
solutions to mg/mL chart
that converts a ratio into a mg/mL concentration
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