Oligo and Sequence
Oligo Analyzer
Plan or review oligo analyzer for oligo and sequence work.
Open Oligo AnalyzerFree scientific calculators
Molecular Biology and Chemistry Tools
A clean collection of molecular biology, chemistry, dilution, PCR, protein, buffer, analytical chemistry, and microbiology calculators for learning and lab work.
No sign-upMobile friendlyStudent explanationsLab-ready formulas
Live tool dashboard
Tool library160+ toolsBiology, chemistry, PCR, dilution, buffer, protein, and lab math.
SequenceGC %Primer and DNA checks
DilutionC1V1Stock to working solution
AssayA = εlcAbsorbance to concentration
qPCRΔΔCtExpression workflows
Oligo tools
Primer checks, sequence conversion, GC content, and melting temperature.
Dilution toolsStock solutions, serial dilution, C1V1 C2V2, ppm, ppb, and molarity.
Protein toolsMolecular weight, pI, concentration, assays, enzyme activity, and kinetics.
Analytical toolsBeer-Lambert law, calibration curves, OD600, CFU, LOD, and replicate checks.
Popular tools
Start with common lab calculations
Open free calculators for sequence analysis, solution preparation, PCR planning, protein work, and student chemistry.
Oligo and Sequence
Oligo Resuspension Calculator
Plan or review oligo resuspension for oligo and sequence work.
Open Oligo Resuspension CalculatorOligo and Sequence
Oligo Dilution Calculator
Plan or review oligo dilution for oligo and sequence work.
Open Oligo Dilution CalculatorOligo and Sequence
GC Content Calculator
Plan or review gc content for oligo and sequence work.
Open GC Content CalculatorPCR and qPCR
PCR Master Mix Calculator
Plan or review pcr master mix for pcr and qpcr work.
Open PCR Master Mix CalculatorPCR and qPCR
qPCR Efficiency Calculator
Plan or review qpcr efficiency for pcr and qpcr work.
Open qPCR Efficiency CalculatorDilution
Dilution Factor Calculator
Plan or review dilution factor for dilution work.
Open Dilution Factor CalculatorDilution
Serial Dilution Calculator
Plan or review serial dilution for dilution work.
Open Serial Dilution CalculatorDilution
Molarity Calculator
Plan or review molarity for dilution work.
Open Molarity CalculatorBuffer and pH
Buffer Preparation Calculator
Plan or review buffer preparation for buffer and ph work.
Open Buffer Preparation CalculatorProtein
Protein Molecular Weight Calculator
Plan or review protein molecular weight for protein work.
Open Protein Molecular Weight CalculatorAnalytical Chemistry
Beer-Lambert Law Calculator
Plan or review beer-lambert law for analytical chemistry work.
Open Beer-Lambert Law CalculatorCategories
Browse tools by lab workflow
Use focused categories to jump from a lab question to the right calculator faster.
Oligo and Sequence ToolsAnalyze primers, sequences, GC content, Tm, and DNA/RNA conversions.PCR, qPCR and CloningPlan PCR mixes, qPCR results, restriction digests, and ligation ratios.CRISPR ToolsCheck guide RNA length, GC content, PAM sites, and editing helpers.Protein and Peptide ToolsEstimate molecular weight, concentration, pI, assays, and enzyme values.Dilution and Solution ToolsCalculate dilutions, molarity, working stocks, and solution preparation.Buffer and pH ToolsPrepare buffers, pH values, acid-base calculations, and osmolarity checks.Analytical Chemistry ToolsUse absorbance, standard curve, OD600, CFU, and replicate helpers.Microbiology and Cell CulturePlan cell seeding, viability, growth rates, MOI, and plate counts.Student Chemistry ToolsStudy molar mass, empirical formula, yield, gas laws, and unit conversions.
Built for learning and lab work
Science tools that explain the answer, not just the number
Molecular Lab Tools helps users move from a value on screen to a result they understand. The interface keeps calculations simple, while the content explains formulas, assumptions, units, and common mistakes in plain language.
1
Choose the workflow
Open a category such as oligo design, dilution, protein assay, pH, or PCR planning.
2
Enter clean values
Use clear labels, units, helper text, and validation built for mobile and desktop users.
3
Read the result
Get a result card with formulas, interpretation, and next-step links where the tool needs them.
Students who need clear steps
Use guided calculators that show formulas, units, examples, and direct result interpretation for homework, lab reports, and exam practice.
Lab workers preparing real mixtures
Check dilution, reagent, buffer, PCR, qPCR, assay, and concentration calculations before you move to the bench.
Researchers checking routine values
Run quick sequence, protein, analytical chemistry, microbiology, and enzyme calculations without opening a spreadsheet.
Teachers explaining formulas
Share tools that connect biological and chemical concepts to visible inputs, worked examples, and practical result notes.
Why use it
Built to make lab calculations faster, clearer, and easier to trust
Every tool is designed to reduce friction. Users get clean inputs, visible units, practical explanations, and links to the next calculation when a workflow needs more than one step.
Designed around real lab questions
The tools focus on common decisions such as how much stock to add, what concentration you prepared, or whether a primer looks usable.
Fast pages with no account barrier
Open a calculator, enter values, and get the answer without sign-up, paywalls, or unnecessary setup.
Mobile-first for bench and classroom use
Inputs, buttons, result cards, and explanations are built to stay readable on small screens.
Educational content beside each tool
Each page explains what the result means, which units matter, and what users should verify before important lab work.
Connected tool paths
Related calculators link naturally so users can move from sequence analysis to PCR planning or from molarity to dilution setup.
Clean scientific interface
The design uses focused cards, soft contrast, clear typography, and a consistent molecular lab theme.
Ready to calculate
Find the right tool for your next lab question
Browse all categories or open sequence tools first if you are working with primers, DNA, RNA, PCR, or cloning.
Questions
Molecular Lab Tools FAQs
What is Molecular Lab Tools?
Molecular Lab Tools is a free educational website for biology, chemistry, molecular biology, and wet-lab calculations.
Are the calculators free to use?
Yes. The calculators and sequence tools are free to use and do not require sign-up.
Who can use these lab tools?
The tools are made for students, lab workers, researchers, teachers, and wet-lab professionals.
Are the calculators easy to use?
Yes. Each tool page is designed with clear inputs, helpful explanations, examples, and lab-friendly notes.
Should I verify important lab calculations?
Yes. Always verify important lab calculations with your lab protocol, supervisor, or an independent calculation.
Can I suggest a new calculator?
Yes. Use the contact page to suggest a new molecular biology, chemistry, or lab calculator.