Chemistry & Biochemistry
Chemical calculations, stoichiometry, and molecular analysis tools with detailed explanations.
Our chemistry calculators help students and researchers perform accurate chemical calculations. From balancing equations to calculating pH and buffers, each tool provides step-by-step solutions. You might also find our Calculate solution concentrations, Prepare lab dilutions, Understand heat effects, Analyze titration data, Find reaction correlations, Track chemistry grades, Calculate measurement errors and Measure solution absorbance helpful for related calculations.
Top Picks
Molar Mass Calculator
Calculate molar mass and percent composition from formulas
Stoichiometry Calculator
Calculate limiting reagent, theoretical yield, and percent yield
pH & pOH Calculator
Calculate pH, pOH, Ka, Kb with acid-base equilibria
Buffer Maker Calculator
Design buffer recipes with Henderson-Hasselbalch equation
All Chemistry & Biochemistry Tools
Molar Mass Calculator
Calculate molar mass and percent composition from formulas
Chemical Equation Balancer
Balance equations using matrix methods and redox analysis
Ideal Gas Law Calculator
Solve PV=nRT, combined gas law, and partial pressures
Stoichiometry Calculator
Calculate limiting reagent, theoretical yield, and percent yield
Dilution Calculator
Plan dilutions using C1V1=C2V2 with serial dilution support
Percent Composition Calculator
Calculate elemental percent composition and empirical formulas
pH & pOH Calculator
Calculate pH, pOH, Ka, Kb with acid-base equilibria
Buffer Maker Calculator
Design buffer recipes with Henderson-Hasselbalch equation