Biology & Lab Research
Laboratory calculations, molecular biology, and research tools for accurate lab work.
Our biology and lab calculators help researchers perform accurate laboratory calculations. From PCR mix preparation to serial dilutions and cell culture, each tool provides precise calculations. You might also find our Prepare chemical dilutions, Calculate reaction amounts, Analyze growth curves, Find experimental correlations, Adjust buffer pH, Estimate pipetting errors, Calculate centrifuge forces and Design experiments helpful for related calculations.
Top Picks
Serial Dilution & CFU/mL Calculator
Plan serial dilutions and calculate CFU/mL
OD600 to Cell Density Converter
Convert OD600 to cell count with species presets
PCR / qPCR Mix Calculator
Calculate master mix volumes for PCR reactions
Beer-Lambert Law Calculator
Calculate concentration using A=εcl
All Biology & Lab Research Tools
Serial Dilution & CFU/mL Calculator
Plan serial dilutions and calculate CFU/mL
OD600 to Cell Density Converter
Convert OD600 to cell count with species presets
PCR / qPCR Mix Calculator
Calculate master mix volumes for PCR reactions
DNA/RNA Molarity Calculator
Convert ng/µL to nM for nucleic acids
Enzyme Kinetics Calculator
Generate Michaelis-Menten plots and calculate Km, Vmax
Beer-Lambert Law Calculator
Calculate concentration using A=εcl
Centrifuge RCF Calculator
Convert RPM to RCF (g-force) for centrifugation
Solution Preparation Calculator
Plan stock to working solution preparation
Cell Seeding Density Calculator
Calculate cells needed and volumes for well plates, flasks, and dishes
MOI Calculator
Calculate Multiplicity of Infection for viral transductions
Transfection Volume Planner
Plan DNA/RNA transfection master mix volumes with overage
Plasmid Copy Number Estimator
Convert plasmid DNA mass (ng) to copy number and molar equivalents
CRISPR gRNA Stoichiometry Planner
Calculate Cas nuclease and gRNA stock volumes per reaction and for master mix
Cell Doubling Time & Growth Curve Estimator
Estimate cell doubling time or simulate exponential growth curves
Viability & Trypan Blue Cell Count Calculator
Calculate cell viability % and cells/mL from hemocytometer counts
Western Blot Sample & Gel Loading Calculator
Calculate per-lane and master mix volumes for Western blot sample loading
ELISA Plate Layout & Dilution Planner
Plan a 96-well ELISA plate layout with standards, blanks, and samples
Flow Cytometry Sample Concentration Planner
Plan sample concentration and dilution for flow cytometry experiments
Primer Tm & Basic Primer Designer Helper
Calculate primer Tm using Wallace rule and evaluate basic design criteria
Hybridization Temperature Estimator
Estimate Tm and hybridization temperature from probe parameters
Enzyme Inhibition Visualizer
Visualize enzyme inhibition kinetics with Michaelis-Menten and Lineweaver-Burk plots
qPCR ΔΔCt Calculator
Calculate relative gene expression fold changes using the delta-delta Ct method
Cell Culture Media Prep Planner
Plan volumes and amounts for cell culture media preparation per batch or per day
Cryostorage Box Indexing Helper
Plan and visualize cryobox layouts with configurable grid positions and sample assignments
Dose-Response EC50 Estimator
Visualize dose-response data and estimate EC50 with a simple curve fit demo
PK Half-Life & Dosing Interval Calculator
Simple pharmacokinetic half-life and dosing interval calculator for educational PK intuition