Lab Caclculater

Welcome to the Ultimate Biotech & PTC Lab Toolkit!

As a biology student, plant tissue culture researcher, or lab technician, calculating repetitive lab math can be time-consuming and prone to errors. To make your lab life easier and save your valuable research time, I have created this free, all-in-one digital lab calculator exclusively for Biotech Notes Hub.

Whether you need to formulate MS media, calculate exact auxin volumes, or prepare a PCR Master Mix, this tool has you covered. Calculate, copy, and get back to your experiment!

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🧪 Biotech Notes Hub Toolkit

9-in-1 digital lab notebook for biology and plant tissue culture scholars.

🔄

Unit Converter

Quickly switch between metric prefixes for volume, mass, and concentration.

Measurement Type: Volume (L, mL, µL, nL) Mass (g, mg, µg, ng, pg) Concentration (M, mM, µM, nM)

Value:

From:

Result:

To:

💧

Dilution Calculator

Calculate how to dilute a stock solution to your desired working concentration.

Formula: C₁V₁ = C₂V₂

Leave exactly ONE field blank to calculate it.

Stock Conc. (C₁)

Stock Vol. (V₁)

Final Conc. (C₂)

Final Vol. (V₂)

⚖️

Molarity & Mass

Determine how many grams of powder to weigh out to make a chemical solution.

Formula: Mass = Conc × Vol × MW

Leave exactly ONE field blank to calculate it.

Target Conc. (M)

Final Vol. (L)

Mol. Wt. (g/mol)

Mass Req. (g)

🌿

MS Media Stock Formula

Find out exactly how much stock to add to your final Plant Tissue Culture media.

Stock Conc. (x)

Total Media (mL)

Add Stock (mL)

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Plant Hormone (PGR) Dosing

Calculate the exact volume of Auxin/Cytokinin stock to add to your MS media.

Stock Conc. (mg/mL)

Target Conc. (mg/L)

Total Media Vol. (mL)

Volume to Add

🧬

PCR Master Mix Calculator

Automatically scale your PCR reaction volumes for multiple samples (includes +10% overage to account for pipetting error).

Number of Samples:

Reactions to Prep (n + 10%):

Component	Vol per 1X (µL)	Master Mix Vol (µL)
ddH2O
Buffer (5x/10x)
dNTPs
Forward Primer
Reverse Primer
Taq Polymerase
Total Mix Vol

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Centrifuge Speed

Convert machine RPM to actual gravitational force (g-force).

Rotor Radius (mm)

Speed (RPM)

↔

g-force (RCF)

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Nucleic Acid Conc.

Sample Type dsDNA - 50 µg/mL ssDNA - 33 µg/mL RNA - 40 µg/mL

A260 Reading

×

Dilution Factor

Final Concentration (µg/mL)

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OD₆₀₀ Inoculation

Current OD₆₀₀

Target OD₆₀₀

Total Vol (mL)

Add Culture (mL)

+

Add Media (mL)

Created with 💡 by ROBINS KUMAR for Biotech Notes Hub

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How to use these lab calculators:

• Copy to Clipboard: Click the 📋 icon next to any result to instantly copy the number for your lab notes.
• PCR Master Mix: Simply enter the number of samples you have. The calculator automatically adds a 10% overage buffer so you don't run out of mix while pipetting!
• Dilution & Molarity: Simply enter your known values and leave exactly ONE box empty. Click "Calculate".

📌 Pro Tip: Press Ctrl + D (Windows) or Cmd + D (Mac) right now to Bookmark this page! Keep it handy on your phone or laptop for your next lab practical or research experiment.

If this toolkit helped you, please share this page with your lab mates, university batchmates, and professors. Have a suggestion for a new calculator you'd like me to add? Let me know in the comments below!

Happy Researching!
- Robins Kumar