About Lab Calculators
These laboratory calculators are designed for biotechnology students, researchers and lab professionals. Whether you are preparing buffer solutions, calculating molarity, setting up serial dilutions or determining centrifuge speeds — each tool is verified for accuracy by an MPhil Biotechnology professional.
All tools work directly in your browser. No data is sent to any server. Your calculations remain completely private and secure.
All 14 Lab Calculators
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Molarity Calculator
Calculate moles, molarity, volume or mass for solution preparation. Supports any solute and solvent combination.
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Dilution Calculator
C1V1 = C2V2 dilution calculations. Find any unknown concentration or volume for your dilution setup.
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Serial Dilution Calculator
Calculate concentrations at each step of a serial dilution series with custom dilution factors and volumes.
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Percent Solution Calculator
Calculate w/v, v/v and w/w percent solutions. Essential for preparing standard laboratory reagents.
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Buffer Preparation Calculator
Calculate volumes and masses for preparing common lab buffers at specified pH and molarity using Henderson–Hasselbalch.
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pH Calculator
Calculate pH from H⁺ concentration, pOH, Ka or Henderson–Hasselbalch equation for weak acid and buffer systems.
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Centrifugation Calculator
Convert between RPM and RCF (× g) using rotor radius. Essential for standardising centrifuge protocols across different rotors.
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Molecular Weight Calculator
Calculate molecular weight from chemical formula. Supports any compound, reagent or polymer used in the laboratory.
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Unit Converter
Convert between common lab units: mass, volume, concentration, temperature, pressure and more in one place.
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Stock Solution Calculator
Calculate how to prepare a stock solution of known concentration from dry powder or liquid reagent.
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Working Solution Calculator
Determine exact volumes of stock solution and diluent needed to prepare a working concentration for experiments.
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Normality Calculator
Calculate normality of acid and base solutions. Includes equivalents, n-factor and conversion from molarity.
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Osmolarity Calculator
Calculate osmolarity of solutions for cell culture, physiological buffers and clinical media preparation.
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Freeze Thaw Calculator
Estimate sample degradation and remaining activity across multiple freeze-thaw cycles for biological samples and reagents.
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