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Pill Splitting Dose Calculator
Work out how many tablets or tablet fractions are needed for a prescribed dose and how many to supply for a period.
💊 Free Online Tool
⚡ Instant Results
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🔒 100% Free Tool
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Compare Your Options And Get Clear Answers
Work out how many tablets or tablet fractions are needed for a prescribed dose and how many to supply for a period.
Pill Splitting Dose Estimator
Enter your numbers below for an instant estimate.
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💡 Tip: Only split tablets if your pharmacist confirms it is safe. Never split extended release tablets.
How It Works
Key concepts behind this calculator
1
Strength
Enter the tablet strength.
2
Dose
Enter the mg per dose.
3
Fraction
Dose divided by strength.
4
Supply
Multiply by doses and days.
Quick Reference Guide
Tablet Splitting
General information only.
| Tablet Type | Can Split? | Note | Check |
|---|---|---|---|
| Scored | Often | Pharmacist | Confirm |
| Extended release | No | Do not split | Dose dumping |
| Enteric coated | No | Do not split | Protect stomach |
| Capsules | No | Do not open | Ask |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Pill Splitting Dose Calculator FAQ
Answers to common questions about this calculator.
Only if the pharmacist confirms the tablet can be split.
Extended release, enteric coated and some others.
No. It is arithmetic only. Follow your doctor.
To get a lower dose or save cost with approval.