mg to Tablets Calculator
Convert a prescribed dose in mg to tablets using tablet strength (mg/tablet)
Convert a dose in mg into tablets using tablet strength
How it works
Converting mg to tablets is a standard dose calculation used in nursing and pharmacy. You take the dose you need to administer (in mg) and divide it by the strength of one tablet (mg per tablet).
If the result is a fraction (e.g., 1.5 tablets), only administer fractions that are practical and permitted (e.g., ½ tablets when scored). If splitting is not appropriate, use another strength or a liquid formulation.
Formula
Worked examples
Example 1: Dose 500 mg, strength 250 mg/tablet
Example 2: Dose 750 mg, strength 500 mg/tablet
Example 3: Dose 100 mg, strength 50 mg/tablet
When this is used
- Converting a prescribed mg dose into a tablet count at the bedside
- Checking whether a dose requires tablet splitting
- Patient education for home medication regimens
Safety note: Do not split modified-release or enteric-coated tablets unless guidance permits. If the fraction is impractical, use an alternative strength or formulation.
Frequently asked questions
Clinical reminder: Always follow local protocols and consult medication information sheets. These examples are for calculation practice only.
References & sources
Use these for medication safety, tablet formulation guidance, and dosing standards.
Medication safety resources and error prevention guidance.
Australian product information and safety updates.
Prescribing guidance including formulations and administration notes.