Nursing Tools, Dosage Calculators
- Oral Drug Dosage – Equation Method
- Solid Dosage – tablets capsules and pills
- Liquid Dosage – solutions and syrups
- Parenteral Medication Dosage
- Injectable – syringe solutions, fluids and liquids
- Solution Reconstitution
- Non-injectable – enteral and oral feeding/irrigants and tropical solutions
- Intravenous (IV) Dosage
- Electronic Flow Setting – flow or pump rate setting for regulators and controllers
- Electronic Infusion Time – duration of infusion
- Electronic Volume – volume of liquid, solution or fluid
- Manual Control Setting – drops per minute, drip rate or watch count for gravity tubing
- Manual Control Infusion Time – duration of infusion
- Manual Control Volume – volume of liquid, solution or fluid
- Body Surface Area (BSA) Dosage
- Unit Converter and Measurement Conversion
- Mass and Weight – Convert between gram (g), kilogram (kg), microgram (mcg), milligram (mg), ounce (oz) and pound (lb).
- Height, Length and Distance – Convert between millimeter (mm), centimeter (cm), meter (m), inch (in) and foot (ft).
- Volume Convert between milliliter (mL), liter (L), ounce US fluid (fl oz), cup US, pint US (pt), quart US (qt), teaspoon US (t)
Oral Drug Dosage – Equation Method
Solid Dosage (tablets capsules and pills)
Oral Drug Dosage Equation Calculator
For Tablets Capsules and Pills
This calculator determines the number of tablets or fraction of a tablet to be administered to the patient.
The input parameters or variables are:
Desired Dose – This is the prescribed dose or the ordered dose.
Have Dose – This is the available dose or stock dose.
Note: Quantity is one (1) for tablets and capsules.
The answer, Amount or Volume, is the number of tablets, capsules or pills to administer.
In addition, the calculator provides a step by step example of the derived solution.
Note: P.O. (latin for per os) stands for by mouth or orally.
Liquid Dosage (solutions and syrups)
Oral Drug Dosage Equation Calculator
For Liquids Solutions and Syrup
This calculator determines the volume of liquid, solution or syrup to be administered to the patient.
The input parameters or variables are:
Desired Dose – This is the prescribed dose or the ordered dose.
Have Dose – This is the available dose or stock dose
Quantity – The volume in which the Have Dose is contained
The answer, Amount or Volume, is given in the volume unit of milliliters.
In addition, the calculator provides a step by step example of the derived solution.
Note: P.O. (latin for per os) stands for by mouth or orally.
Parenteral Medication Dosage
Injectable (syringe solutions, fluids and liquids)
Parenteral Drug Dosage Equation Calculator
For Syringe Liquids and Solutions
This calculator determines the volume of liquid or solution to be injected by syringe into the patient.
The input parameters or variables are:
Desired Dose – This is the prescribed dose or the ordered dose.
Have Dose – This is the available dose or stock dose.
Quantity – The volume in which the Have Dose is contained.
The answer, Amount or Volume, is given in the volume unit of milliliters.
In addition, the calculator provides a step by step example of the derived solution.
Solution Reconstitution
Non-injectable (enteral and oral feeding/irrigants and tropical solutions)
Non-Injectable Solution Reconstitution Equation Calculator
For Enteral and Oral Feedings
Tropical Solutions and Irrigants
This calculator determines the amount or volume of solute and solvent required for solution reconstitution.
The input parameters are:
Desired Solution Strength – The final desired solution strength in fraction form. For example, prepare 1/4 strength of an disinfectant.
Desired Solution Quantity – The final desired solution volume or quantity. This is the volume of solution when the solute and solvent are combined.
The input parameters or variables are:
Solute – The substance (solid or liquid) being diluted or dissolved.
Solvent – The substance dissolving the medicine. This is typically a liquid. Solvent is also referred to as the diluent.
In addition, the calculator provides a step by step example of the derived solution.
Intravenous (IV) Dosage
Electronic Flow Setting (flow or pump rate setting for regulators and controllers)
Flow Rate Setting – Electronically Regulated IV Calculator
Volumetric Controllers – Infusion Pumps – Syringe Pumps
This calculator determines the flow rate setting for an electronically control regulator for IVs.
The input parameters or variables are:
Total Volume Ordered – The amount of solution or fluid to be given over a time period.
Total Time Ordered – The duration or time the IV is to be administered.
The answer, Flow Rate, is given in flow units of milliliters per hour(mL/hour).
In addition, the calculator provides a step by step example of the derived solution.
Note: IV stands for intravenous.
Electronic Infusion Time (duration of infusion)
Infusion Time – Electronically Regulated IV Calculator
Volumetric Controllers – Infusion Pumps – Syringe Pumps
This calculator determines the infusion time for electronically controlled or regulated IVs. This calculator determines how long an IV bag will last.
The input parameters or variables are:
Total Volume – The amount of solution or fluid.
Flow Rate – The amount of fluid being transferred per unit time. The flow rate input is in milliliter per hour (mL/h).
The answer, Infusion Time, is given in time units of hours and minutes.
In addition, the calculator provides a step by step example of the derived solution.
Note: IV stands for intravenous.
Electronic Volume (volume of liquid, solution or fluid)
Liquid or Fluid Volume – Electronically Regulated IV Calculator
Volumetric Controllers – Infusion Pumps – Syringe Pumps
This calculator determines the volume of fluid or liquid delivered over a time period for electronically controlled or regulated IVs. This calculator determines much solution is required to run an IV for a period of time
The input parameters or variables are:
Total Time – The time the IV will be operated.
Flow Rate- The amount of fluid being transferred per unit time. The flow rate input is in milliliter per hour (mL/h).
The answer, Fluid Volume, is given in volume units of milliliters and liters.
In addition, the calculator provides a step by step example of the derived solution.
Note: IV stands for intravenous.
Manual Control Setting (drops per minute, drip rate or watch count for gravity tubing)
Watch Count and Drip Rate – IV Tubing Calculator
Manually Controlled and Regulated IVs
This calculator determines the drip rate, watch count or flow rate setting for a manually controlled IV.
The input parameters or variables are:
Volume – The amount of solution or fluid to be given over a time period.
Time – The duration or time the IV is to be administered.
Calibration – The drop factor or the number of drops needed to deliver 1 milliliter of fluid.
The answer, Drip Rate or Watch Count, is given in gtt per minute(gtt/min) which is the number of drops per minute.
In addition, the calculator provides a step by step example of the derived solution.
Note: IV stands for intravenous. IV tubing comes in 10, 15 and 20 gtt/mL for macrodrop and 60 gtt/mL for microdrop factors.
Manual Control Infusion Time (duration of infusion)
Infusion Time – IV Tubing Calculator
Manually Controlled and Regulated IVs
This calculator determines the infusion time of a manually controlled IV.
The input parameters or variables are:
Volume – The amount of solution or fluid to be given over a time period the amount of solution or fluid to be given over a time period.
Rate – The drip rate, flow rate or watch count of the IV.
Calibration – The drop factor or the number of drops needed to deliver 1 milliliter of fluid.
The answer, Infusion Time, is given in time units of minutes and hours.
In addition, the calculator provides a step by step example of the derived solution.
Note: IV stands for intravenous. IV tubing comes in 10, 15 and 20 gtt/mL for macrodrop and 60 gtt/mL for microdrop factors.
Manual Control Volume (volume of liquid, solution or fluid)
Fluid Volume – IV Tubing Calculator
Manually Controlled and Regulated IVs
This calculator determines the fluid volume required for infusion of a manually controlled IV. It calculates the amount of fluid being delivered over a time period.
The input parameters or variables are:
Rate – The drip rate, flow rate or watch count of the IV.
Time – The duration the IV is being infused. The time duration the fluid, liquid or solution is being administered.
Calibration – The drop factor or the number of drops needed to deliver 1 milliliter of fluid.
The answer, Fluid Volume, is given in volume units of milliliters (mL) and liters (L).
In addition, the calculator provides a step by step example of the derived solution.
Note: IV stands for intravenous. IV tubing comes in 10, 15 and 20 gtt/mL for macrodrop and 60 gtt/mL for microdrop factors.
Body Surface Area (BSA) Dosage
Body Surface Area
Body Surface Area BSA Calculator
Human Area Based Dosage
This calculator determines the body surface area (BSA) for humans. BSA is used to determine the dosage per surface area. Note, this calculator uses the Mosteller method to determine BSA.
The input parameters or variables are:
Height – The height or length of the patient.
Weight – The mass of the patient.
The answer, Body Surface Area or BSA, is given in area units of square meters.
In addition, the calculator provides a step by step example of the derived solution.
Unit Converter and Measurement Conversion
Mass and Weight (Convert between gram (g), kilogram (kg), microgram (mcg), milligram (mg), ounce (oz) and pound (lb))
Mass and Weight Unit Conversion Calculator
This calculator converts between common mass and weight units used in nursing, dosage calculations and medicine.
The calculator provides the following metric, standard and english unit conversions:
| gram (g) | kilogram (kg) | microgram (mcg) |
| milligram (mg) | ounce (oz) | pound (lb) |
In addition, the calculator provides a step by step example of the derived solution and answer.
Height, Length and Distance (Convert between millimeter (mm), centimeter (cm), meter (m), inch (in) and foot (ft))
Length Height and Distance Unit Conversion Calculator
This calculator converts between common length, height and distance units used in nursing, dosage calculations and medicine.
The calculator provides the following metric, standard and english unit conversions:
| millimeter (mm) | centimeter (cm) | meter (m) |
| inch (in) | foot (ft) |
In addition, the calculator provides a step by step example of the derived solution and answer.
Volume (Convert between milliliter (mL), liter (L), ounce US fluid (fl oz), cup US, pint US (pt), quart US (qt), teaspoon US (t))
Volume Unit Conversion Calculator
This calculator converts between common volume units used in nursing, dosage calculations and medicine.
The calculator provides the following metric, standard and english unit conversions:
| milliliter (mL) | liter (L) | ounce US fluid (fl oz) |
| cup US | pint US (pt) | quart US (qt) |
| teaspoon US (t) |
In addition, the calculator provides a step by step example of the derived solution and answer.