Chemistry Calculators

Search elements by name, symbol, atomic number, or approximate atomic mass, then view atomic data and temperature state estimates.

Find an element from its name, symbol, atomic number, or approximate atomic mass.

Calculate solution molarity from moles and volume.

Calculate stock volume needed using C1V1 = C2V2.

Calculate pH from hydrogen ion concentration.

Calculate moles of gas using pressure, volume, and temperature.

Compare, simplify, scale, and distribute values for mixing ratio.

Compare, simplify, scale, and distribute values for dilution ratio.

Compare, simplify, scale, and distribute values for solution ratio.

Compare, simplify, scale, and distribute values for concentration ratio.

Compare, simplify, scale, and distribute values for mole ratio.

Compare, simplify, scale, and distribute values for stoichiometric ratio.

Calculate molality from moles of solute and kilograms of solvent.

Calculate concentration from solute amount and solution volume.

Calculate normality from molarity and equivalent factor.

Calculate percent solution by mass or volume.

Calculate approximate molecular weight from element masses and atom counts.

Calculate moles from mass and molar mass.

Convert grams to moles using molar mass.

Convert moles to grams using molar mass.

Convert moles to particles using Avogadro's number.

Estimate product moles from reactant moles and balanced equation coefficients.

Calculate percent yield from actual yield and theoretical yield.

Compare available-to-required ratios for two reactants to identify the limiting side.

Estimate theoretical product yield from reactant moles, coefficients, and product molar mass.

Calculate pOH from hydroxide concentration and pH relationship.

Estimate neutralization moles, excess reagent, and salt formation for acid-base reactions.

Estimate buffer pH using the Henderson-Hasselbalch equation.

Calculate final pressure or volume for constant-temperature gas changes.

Calculate final volume from initial volume and absolute temperatures.

Calculate final pressure from initial pressure and absolute temperatures.

Calculate final pressure from pressure, volume, and temperature changes.

Look up atomic weight and nearest matching elements by approximate atomic mass.

Estimate whether an element is solid, liquid, or gas at a selected temperature using melting and boiling points.

Find an element by atomic number and view its symbol, mass, group, period, and category.

Find full element names and atomic data from element symbols such as K, Fe, or Au.

Search elements by name, symbol, atomic number, or approximate atomic mass, then view atomic data and temperature state estimates.

Find an element from its name, symbol, atomic number, or approximate atomic mass.

Use a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.

Calculate the hypotenuse and area of a right triangle.

Calculate logarithms for any positive base and value.

Calculate powers and exponential values quickly.

Calculate sphere volume and surface area from radius.

Convert Celsius to Fahrenheit and Kelvin.