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Laboratory dilution batch planner

Plan stock and diluent volumes for repeated laboratory preparations.

01Enter your values

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Enter both concentrations in the same unit and convention. Total volume includes preparation count and extra allowance; stock volume = target concentration × final volume / stock concentration. Assumes additive volumes.

Example
L
%

How it works

Plan stock and diluent volumes for repeated laboratory preparations.

Vₜ = V × n × (1+e/100); V₀ = Cₜ × Vₜ / C₀

Runs in your browser

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Inputs are processed on this page and are never sent to a server.

About this tool

Plan stock and diluent volumes for repeated laboratory preparations.

Enter both concentrations in the same unit and convention. Total volume includes preparation count and extra allowance; stock volume = target concentration × final volume / stock concentration. Assumes additive volumes.

Use tool ↑

How to use it

  1. Enter your values

    Stock concentration · Target concentration (same unit) · Final volume per preparation · Preparations / copies · Extra volume

  2. Calculate / generate

    Plan stock and diluent volumes for repeated laboratory preparations.

  3. Result

    Stock to take: 0.011 L Diluent to add: 0.209 L Final mixed volume: 0.22 L

Calculation method

Vₜ = V × n × (1+e/100); V₀ = Cₜ × Vₜ / C₀

Example scenario

Laboratory dilution batch planner

Stock concentration
100
Target concentration (same unit)
5
Final volume per preparation
0.02 L
Preparations / copies
10
Extra volume
10 %
Result
Stock to take: 0.011 L
Diluent to add: 0.209 L
Final mixed volume: 0.22 L

Frequently asked questions

Does this prescribe a safe mixture?

No. It does not check reactions, compatibility or clinical doses; follow your validated laboratory procedure.

Where does my data go?

Calculations run on your device. Form inputs are not sent to a server.