Chemistry Tools
Free online chemistry calculators and converters for students, researchers, and professionals. Solve chemistry problems and convert measurements with ease.
Browse All Categories
Explore our complete collection of free online tools
Find the Chemistry Tool You Need
Stoichiometry & Mole Calculations
Grams to Moles Converter
Convert between grams and moles using molar mass. Essential for stoichiometry calculations and chemical equations.
Use ToolMole Calculator
Calculate the number of moles from mass, volume, or particles using Avogadro’s number and molar mass.
Use ToolMolarity Calculator
Calculate molarity, mass, volume, or concentration of solutions for laboratory preparations and dilutions.
Use ToolPercent Composition Calculator
Calculate the percentage composition of elements in compounds based on their molecular formulas.
Use ToolEmpirical Formula Calculator
Determine the empirical formula of a compound from its percent composition or mass data.
Use ToolMolecular Formula Calculator
Calculate the molecular formula from empirical formula and molecular mass for chemical compounds.
Use ToolLaboratory Measurements & Conversions
Micrograms to Milligrams Converter
Convert between micrograms (μg) and milligrams (mg) for precise laboratory measurements and dosages.
Use ToolMilligrams to Milliliters Converter
Convert between milligrams (mg) and milliliters (mL) for medications and solutions with known densities.
Use ToolMilliliters to Microliters Converter
Convert between milliliters (mL) and microliters (μL) for precise liquid measurements in laboratory settings.
Use ToolCentimeters to Meters Calculator
Convert between centimeters and meters for laboratory measurements and scientific calculations.
Use ToolLiters to Milliliters Converter
Convert between liters and milliliters for volume measurements in chemical experiments and preparations.
Use ToolGrams to Kilograms Converter
Convert between grams and kilograms for mass measurements in chemical reactions and formulations.
Use ToolTemperature & Energy Calculations
Celsius to Fahrenheit Converter
Convert temperature measurements between Celsius and Fahrenheit for laboratory experiments and data analysis.
Use ToolFahrenheit to Celsius Converter
Convert temperature measurements between Fahrenheit and Celsius for scientific research and chemical processes.
Use ToolCelsius to Kelvin Converter
Convert temperature measurements between Celsius and Kelvin for thermodynamic calculations and gas laws.
Use ToolEnergy Unit Converter
Convert between joules, calories, electron volts, and other energy units for thermodynamics and spectroscopy.
Use ToolHeat Capacity Calculator
Calculate heat capacity and specific heat for materials and substances in calorimetry experiments.
Use ToolPressure Unit Converter
Convert between atmospheres, pascals, torr, and bar for gas law calculations and laboratory measurements.
Use ToolPharmaceutical & Biochemistry Tools
MCG to IU Converter
Convert between micrograms (MCG) and International Units (IU) for vitamins, hormones, and medications.
Use ToolDosage Calculator
Calculate medication dosages based on weight, concentration, and administration frequency.
Use ToolSolution Dilution Calculator
Calculate dilution factors and prepare solutions of desired concentrations from stock solutions.
Use ToolBuffer Preparation Calculator
Calculate components needed to prepare chemical buffers at specific pH values for biochemical experiments.
Use ToolDNA/RNA Concentration Calculator
Calculate nucleic acid concentrations from absorbance measurements at 260nm for molecular biology.
Use ToolProtein Concentration Calculator
Calculate protein concentrations using various methods including Bradford, BCA, and absorbance at 280nm.
Use ToolGas Laws & Physical Chemistry
Ideal Gas Law Calculator
Calculate pressure, volume, temperature, or moles using the ideal gas law equation PV=nRT.
Use ToolBoyle’s Law Calculator
Calculate the relationship between pressure and volume of a gas at constant temperature.
Use ToolCharles’s Law Calculator
Calculate the relationship between volume and temperature of a gas at constant pressure.
Use ToolCombined Gas Law Calculator
Calculate relationships between pressure, volume, and temperature for a fixed amount of gas.
Use ToolDalton’s Law Calculator
Calculate partial pressures and total pressure of gas mixtures using Dalton’s law of partial pressures.
Use ToolGraham’s Law Calculator
Calculate rates of effusion or diffusion for gases based on their molecular weights.
Use ToolWhy Use Our Chemistry Tools
Professional-grade tools designed for students, researchers, and chemistry professionals
Scientifically Accurate
All our chemistry tools are based on established scientific formulas and peer-reviewed calculation methods.
Secure & Private
Your data is processed locally and never stored on our servers. All calculations happen securely in your browser.
Mobile Friendly
Access our chemistry tools on any device – perfect for laboratory work, classroom use, and field research.
Regular Updates
We continuously improve our tools based on user feedback and the latest advancements in chemistry.
Completely Free
All our chemistry tools are free to use with no hidden costs, registration, or limitations.
Educational Resources
Each tool includes explanations of the underlying chemistry concepts and calculation methods.
Ready to Explore Chemistry?
Start using our free chemistry tools today for your research, studies, or laboratory work. No registration required.
Explore All Chemistry Tools