Home
Back
Volume Formula:
| From: | To: |
Definition: This calculator converts medication doses from milligrams (mg) to milliliters (ml) based on the concentration of the medication solution.
Purpose: It helps healthcare professionals and patients accurately measure liquid medications when the prescribed dose is in milligrams but the medication is in liquid form.
The calculator uses the formula:
Where:
Explanation: The desired dose is divided by the concentration to determine the volume needed to achieve that dose.
Details: Precise dose calculations are critical for medication safety, especially with potent drugs where small measurement errors can have significant clinical consequences.
Tips: Enter the desired dose in mg and the medication concentration in mg/ml. Both values must be greater than 0. The calculator will output the volume in ml to administer.
Q1: Where can I find the medication concentration?
A: The concentration is typically listed on the medication label (e.g., 250mg/5ml) or in the package insert.
Q2: What if my medication concentration is in a different format?
A: Convert it to mg/ml first. For example, if it's 250mg/5ml, divide both numbers by 5 to get 50mg/ml.
Q3: Is this calculator suitable for all medications?
A: This works for liquid medications where the concentration is known. For powders that need reconstitution, you'll need to know the final concentration after mixing.
Q4: How precise should my measurements be?
A: Use a syringe or measuring device that can measure to at least one decimal place for most medications.
Q5: Does this account for patient weight-based dosing?
A: No, you should calculate the desired dose (mg) first based on weight if needed, then use this calculator to convert to volume.