All calculatorsAnalytical Chemistry Calculators & Converters
From sample to signal—analysis made simple.
A/B Test Significance Calculator
Check if A/B test results are statistically significant
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.
Degrees of Freedom Calculator
Calculate degrees of freedom for t-tests, χ², ANOVA, F, and regression
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
Equilibrium ICE-Table Calculator
Calculate chemical equilibrium using ICE tables, Q vs K, and steps
Isoelectric Point (pI) Calculator
Compute protein or amino acid pI from pKa values with clear steps
Multiplying Polynomials Calculator
Multiply two polynomials and simplify the result step by step
Neutralization Calculator
Solve acid–base equivalence fast — clear steps, visuals, and conversions
P-Value Calculator
Compute p-values from Z, t, χ², or F test statistics with one- or two-tailed options
Percentage Concentration to Molarity Calculator
Convert any % solution to molarity — fast, clear, and accurate
Protein Concentration Calculator
Calculate protein concentration via A280, standard curves, and dilutions.
Reaction Quotient (Q) Calculator
Calculate Qc or Qp with steps, charts, and shift prediction
Simplify Expression Calculator
Simplify, expand, factor, and reduce algebraic expressions step by step
Water Hardness Calculator
Compute hardness from ions or EDTA—ppm, gpg, and dH