All calculatorsBiochemistry Calculators & Converters
Quantify life’s reactions—clear math for complex biochem.
Activation Energy Calculator
Compute Eₐ or k₂ using the Arrhenius equation with steps
Arrhenius Equation Calculator
Calculate k, activation energy, or k₂—clear steps and plot included
Beer-Lambert Law Calculator
Calculate absorbance, concentration, path length, or molar absorptivity
Cube Volume Calculator
Instant cube volume from edge or diagonal, with unit conversion.
DNA Concentration Calculator
Calculate DNA concentration from A260 or convert ng/µL and nM
Entropy Calculator
Calculate entropy changes for gases, heating, and phase changes
Enzyme Activity Calculator
Compute enzyme units, rate, and specific activity from lab assays
Equilibrium ICE-Table Calculator
Calculate chemical equilibrium using ICE tables, Q vs K, and steps
Half-Life Calculator
Compute N, k, t, or t₁/₂—enter three, get the rest
Isoelectric Point (pI) Calculator
Compute protein or amino acid pI from pKa values with clear steps
Lean Body Mass Calculator
Estimate your fat-free body weight in seconds — simple & clear
Protein Concentration Calculator
Calculate protein concentration via A280, standard curves, and dilutions.
Rate Constant Calculator
Compute k from rate or integrated laws with steps, visuals
Velocity Calculator
Calculate velocity using average, instantaneous, acceleration, and 2D vectors