Free lab tools
Bulk vial planner
Plan a private label or repackaging run: convert a bulk powder quantity into finished vials, or work out how much powder you need for a target number of vials.
g
mg
%
Allowance covers fill-weight overage, QC retain samples and process loss. 3–5% is a common planning figure; confirm the exact figure with us for your run.
Your plan
Finished vials
952
Usable powder after allowance
9.52 g
Fill per vial (mg)
10 mg
Related guides
For laboratory and research calculations only. Not intended to guide human or veterinary use. Always verify calculations against your own laboratory procedures.