Science Tools
72 free science tools calculators — including Molar Mass Calculator and Ohm's Law Calculator. Instant results in your browser, with the formula shown.
Search Science Tools calculators
Entropy Change Calculator
Calculate entropy change in a reaction.
Spectroscopy Wavelength Calculator
Calculate wavelength of electronic transition.
Vapor Pressure Calculator
Calculate vapor pressure using Clausius-Clapeyron equation.
Fluid Viscosity Calculator
Calculate fluid viscosity using Andrade equation.
Radioactive Decay Chain Calculator
Calculate isotope quantities in a decay chain.
Gas Diffusion Rate Calculator
Calculate gas diffusion rate using Graham's law.
Osmotic Pressure Calculator
Calculate osmotic pressure of a solution.
Heat Capacity Calculator
Calculate heat capacity of a substance.
Enzyme Catalytic Efficiency Calculator
Calculate catalytic efficiency using Michaelis-Menten.
Bond Energy Calculator
Calculate bond energy for breaking or forming bonds.
Crystal Structure Calculator
Calculate crystal structure properties.
Solubility Product Calculator
Calculate solubility product Ksp for ionic compound.
Coulomb Potential Calculator
Calculate electric potential at a point.
Boiling Point Elevation Calculator
Calculate boiling point elevation of solution.
Acid-Base Neutralization Calculator
Calculate neutralization volume between acid and base.
Moles Calculator
Free online calculator with instant, accurate results.
Molarity Calculator
Free online calculator with instant, accurate results.
Molality Calculator
Free online calculator with instant, accurate results.
Solution Dilution Calculator
Free online calculator with instant, accurate results.
pOH Calculator
Free online calculator with instant, accurate results.
Percent Yield Calculator
Free online calculator with instant, accurate results.
Percent Composition Calculator
Free online calculator with instant, accurate results.
Combined Gas Law Calculator
Free online calculator with instant, accurate results.
PPM Concentration Calculator
Free online calculator with instant, accurate results.
Titration Calculator
Free online calculator with instant, accurate results.
Enthalpy Change Calculator
Free online calculator with instant, accurate results.
Gibbs Free Energy Calculator
Free online calculator with instant, accurate results.
About Science Tools
72 free Science Tools tools are listed on this page, led by Molar Mass Calculator, Ohm's Law Calculator and pH Calculator in popularity order. Each computes its result directly in your browser and shows the formula it applies. The grid also covers Boyle Law Interactive Calculator, so most common Science Tools questions have a matching tool. No accounts, no fees — every answer ships with the arithmetic behind it.
What you can calculate
Molar Mass Calculator, Ohm's Law Calculator, pH Calculator, Boyle Law Interactive Calculator
Top Science Tools Calculators
Molar Mass Calculator
Calculate the molar mass of chemical compounds based on their formula.
pH Calculator
Calculate pH, pOH, and hydrogen ion concentration.
Ohm's Law Calculator
Calculate voltage, current, and resistance.
Density Calculator
Calculate density, mass, or volume given the other two variables.
Boyle's Law Calculator
Calculate the relationship between pressure and volume of a gas at constant temperature.
FAQs about Science Tools
What is the best calculator in the Science Tools category?
The most popular Science Tools tools on this site are Molar Mass Calculator, Ohm's Law Calculator and pH Calculator, in that order. All are free, run instantly in your browser, and show their calculation steps — pick the closest to your case or try more than one.
Are the Science Tools calculators free to use?
Yes — all 72 tools in the Science Tools category are completely free: they run in your browser with no sign-up and never send your inputs anywhere. Enter your values and the result appears instantly, with the formula used shown.
How many calculators are in the Science Tools category?
The Science Tools category currently lists 72 free tools. The most used are Molar Mass Calculator, Ohm's Law Calculator and pH Calculator, and all of them are reachable directly from the grid on this page, with no registration required.