For pharmacists

Pharmacy calculators

Practical calculators for quality control and pharmacy compounding. Check each tool’s required inputs and verify every result against current professional guidance.

Available calculators

6 calculators
1
Ph. Eur. 2.9.5

Capsule quality control (Ph. Eur. 2.9.5)

Mass uniformity test for 20 units under the European Pharmacopoeia, including in-process blend control (maximum 2% deviation).

2
TMF formulary

Capsule size and filler calculator

Calculate the filling capacity of the selected capsule size and the required filler per capsule and for the full batch.

3
Gay-Lussac

Alcohol dilution using Gay-Lussac

Calculate the stock alcohol volume. Measure it, then top up with purified water to the desired final volume, accounting for volume contraction.

4
Official f-factor

Suppositories and displacement factors

Calculate the suppository base quantity using official displacement factors and mould calibration values.

5
Certificate of analysis

Folic acid: purity and trituration

Calculate corrections for water content and dry purity, including 1:10 and 1:100 triturations.

6
IU/mg correction

Nystatin raw material correction

Calculate the nystatin powder weighing based on activity (IU/mg) and loss on drying.