BioCaL 4+

MolBio Volume Calculator


Designed for iPad

    • $1.99



Free up time for bench scientists to focus on their research passions. Our solution simplifies lab tasks, making life easier for scientists.

Experimental research in molecular biology requires fundamental techniques such as restriction enzyme digestion and DNA ligation, which are essential for recombinant DNA technology and widely practiced in laboratories worldwide. Mastering these techniques is crucial for progress in biological research.

Our app simplifies these processes by providing precise volumes for each component required in restriction digestion and ligation reactions. Users no longer need to calculate DNA volumes manually; instead, they input the desired DNA concentration, and the app calculates the necessary volumes for your reactions. The app then conveniently provides these volumes, so you can quickly set up your reactions ready for incubation at the appropriate temperatures in Eppendorf tubes.

Additionally, our app offers the necessary DNA volumes for DNA assembly reactions, accommodating up to six different DNA fragment assemblies when constructing and using two or more DNA molecules.

This user-friendly app ensures seamless operation, allowing instant use without the need for detailed instructions. It also guides users in sampling volumes to normalize mass and molar concentration across tubes with containing different DNA concentrations and sizes. Furthermore, it provides options for calculating various physical quantities of DNA and RNA of interest.

Please note that all calculations involving DNA experiments are performed on double-stranded DNA molecules in BioCaL.

The app also includes features for normalizing cell optical density to adjust the number of cells taken from different samples, as well as evaluating plasmid DNA copy number per cell and cosmid packaging efficiency, facilitating thorough analysis and efficient experiments.

What’s New

Version 2.19.11

1. Added a reference section that includes detailed information on commonly used lab strains, selection antibiotics, genotypes, common mutations, and the conversion between genes and their corresponding products.
2. Added a function to calculate relative fitness.

App Privacy

The developer, Finios, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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