Who we are
BioToolsKit is a free online resource for students, researchers, and laboratory teams who need quick calculations without complex software. Our calculators cover core biotech workflows including primer analysis, DNA and RNA conversions, lab preparation, cell biology, and more.
We focus on practical, searchable calculators with clear formulas, trusted outputs, and a clean interface so scientific work stays efficient and focused.
What makes the site useful
Core calculator categories
🧬 DNA & RNA
Conversions, sequence metrics, molecular weight, melting temperature, and reverse complement tools.
🌡️ PCR
Primer Tm, annealing temperature, product size estimation, and gradient planning calculators.
⚗️ Lab workflows
Molarity, dilution, buffer preparation, serial dilutions, and concentration calculators.
🦠 Cell & microbiology
Cell viability, growth rate, plating dilution, and culture-related calculation support.
Why BioToolsKit is trusted
Every page is built with straightforward labeling, consistent spacing, and reliable calculator logic. The site is organized by category so users can move from one workflow to the next without losing context.
If you are using BioToolsKit for coursework, qPCR planning, primer design, dilution prep, or general lab calculations, the site is meant to keep research work fast and easier to follow.