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🧬 DNA & RNA Tools 15 tools 🌡️ PCR Tools 14 tools ⚗️ Lab Calculators 14 tools
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🔬 Protein Tools 13 tools 🦠 Microbiology Tools 13 tools 🧫 Cell Biology Tools 11 tools 📚 Reference Tools 9 tools
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Free online biotechnology calculators and molecular biology tools for students, researchers and lab professionals. Simple, fast and accurate.

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All biotechnology tools organized into clear categories. No more searching multiple websites.

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DNA & RNA Tools
Convert, analyze and manipulate DNA and RNA sequences with precision and accuracy.
⚡ 15 Tools Available
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PCR Tools
Design primers, calculate annealing temperatures and set up perfect PCR reactions every time.
⚡ 14 Tools Available
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Lab Calculators
Essential laboratory calculators for molarity, dilutions, buffers and solution preparations.
⚡ 14 Tools Available
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Protein Tools
Analyze protein sequences, calculate molecular weight, isoelectric point and more.
⚡ 13 Tools Available
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Microbiology Tools
Calculate bacterial growth, CFU counts, transformation efficiency and culture parameters.
⚡ 13 Tools Available
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Cell Biology Tools
Cell counting, viability calculations, transfection and cell culture management tools.
⚡ 11 Tools Available
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Reference Tools
Genetic code tables, amino acid properties, restriction enzyme references and lab guides.
⚡ 9 Tools Available
Most Popular

Most Used Tools

The most frequently used biotechnology tools by students and researchers.

⚗️
Molarity Calculator
Calculate molar concentration from mass, molecular weight and volume.
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DNA to RNA Converter
Transcribe any DNA sequence to mRNA instantly and accurately.
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🌡️
Primer Tm Calculator
Calculate melting temperature of any primer sequence accurately.
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🪞
Reverse Complement
Get the reverse complement of any DNA sequence in one click.
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🔢
Dilution Calculator
Calculate solution dilutions using the C1V1=C2V2 formula easily.
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📊
GC Content Calculator
Analyze GC percentage and full nucleotide composition of any sequence.
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🧪
PCR Master Mix Calculator
Calculate exact volumes for your complete PCR reaction setup.
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🦠
Bacterial Growth Calculator
Calculate generation time and growth rate of bacterial cultures.
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Why BioToolsKit

Built for Real Scientists

Designed and verified by a Biotechnology professional for students and researchers.

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Scientifically Accurate
Every tool uses verified international scientific formulas and standards. Results match professional laboratory software.
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Instant Results
No waiting, no loading screens. All calculations happen instantly in your browser without sending data to any server.
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Works on Any Device
Fully optimized for mobile phones, tablets and desktop computers. Use your tools anywhere in the lab.
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No Login Required
All tools are completely free with no registration, no login and no personal data collection. Just open and use.
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Expert Verified
Built and verified by a Biotechnology professional. Every calculation is tested against known scientific values.
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