Browse our 70 calculators to solve common problems in Chemistry — from quick estimates to detailed results. This hub links to our most-used tools and guides so you can get answers fast.

Start with the popular picks below, or jump into the full list for more specific use cases.

Reviewed for this category by Monika Kolundžić, Master of Medical Biochemistry & Laboratory Medicine.

Redox Reaction Balancing Calculator | Balance Oxidation-Reduction Equations

Redox Reaction Balancing Calculator

A Redox Reaction Balancing Calculator is a digital tool designed to simplify this process by providing an automated solution. It is particularly beneficial for students, chemists, and researchers who need accurate and efficient methods to balance redox equations in their work.  Redox reactions, short for reduction-oxidation reactions, involve the transfer of electrons between chemical species. … Read more

Acid-Base Titration Calculator | Find Unknown Concentration

Acid-Base Titration Calculator

An Acid-Base Titration Calculator is a digital tool that helps users perform calculations involved in titrations, which are laboratory methods used to determine the concentration of an acid or base by neutralizing it with a titrant of known concentration. The primary purpose of this calculator is to simplify complex calculations, ensuring accuracy and efficiency in … Read more

Solution Dilution Calculator | Find Volumes for Accurate Dilutions

Solution Dilution Calculator

The Solution Dilution Calculator is a digital tool designed to help users accurately determine the required volume of solvent needed to dilute a concentrated solution to a desired concentration. In the field of chemistry and various scientific disciplines, the accurate preparation of solutions is crucial. Whether you’re a student, a research scientist, or a lab technician, … Read more

Concentration (Molarity, Molality, Normality) Calculator

Concentration (Molarity, Molality, Normality) Calculator

A Concentration (Molarity, Molality, Normality) Calculator provides a quick and efficient method to determine the concentration of solutions, helping users save time and improve accuracy in their calculations. Understanding the concentration of solutions is crucial in fields ranging from chemistry and biology to pharmacology and environmental science.   What is a Concentration (Molarity, Molality, Normality) … Read more

Concentration Calculator | Find Molarity, Molality, and Normality

Concentration Calculator

The Concentration Calculator is a specialized tool designed to help users determine the concentration of a substance in a solution. Concentration refers to the amount of solute present in a given quantity of solvent or solution. This calculator is primarily used in various fields such as chemistry, biology, medicine, and environmental science, where precise measurements of … Read more

pH and pOH Calculator | Get Acidity and Basicity of Solutions

pH and pOH Calculator

The pH and pOH calculator is a specialized tool designed for students, chemists, and anyone interested in chemistry concepts, to easily determine the acidity or basicity of a solution. By inputting certain values, users can quickly identify the pH and pOH, which are essential for understanding chemical reactions, environmental science, and even biochemistry processes. This … Read more

Gas Law Calculator | Solve Ideal & Combined Gas Law Problems

Gas Law Calculator (Ideal, Combined, etc)

The Gas Law Calculator is a versatile tool designed to simplify the process of calculating various parameters related to gases, using well-established gas laws such as the Ideal Gas Law and the Combined Gas Law. Whether you’re a student, a researcher, or a professional in fields like chemistry, physics, or engineering, this calculator can save … Read more

Reaction Yield Calculator | Actual, Theoretical, and Percent Yields

Reaction Yield Calculator

The Reaction Yield Calculator is an invaluable tool for chemists, students, and professionals who need to calculate the efficiency of a chemical reaction. The primary purpose of this calculator is to determine the percentage yield of a chemical reaction, which is a measure of the amount of product obtained compared to the theoretical maximum possible, … Read more

Percent Composition Calculator | Elemental Makeup of Any Chemical Compound

Percent Composition Calculator

The Percent Composition Calculator is a tool designed to compute the percentage of each component within a compound or dataset. The study of percent composition is pivotal in fields ranging from chemistry to finance. It provides insights into the makeup of a substance or investment, helping users understand the proportion of each component.     A … Read more

Limiting Reactant Calculator | Limiting Reagent and Theoretical Yield

Limiting Reactant Calculator

The Limiting Reactant Calculator helps chemists, students, and educators to quickly and accurately determine which reactant will be consumed first in a given reaction, thus forecasting the maximum amount of product that can be produced. This tool is invaluable for those working in laboratories, teaching chemistry, or anyone needing to perform chemical reaction calculations efficiently.   … Read more

Stoichiometry Calculator | Solve Chemical Reaction Problems

Stoichiometry Calculator

A Stoichiometry Calculator is a digital tool that simplifies calculating the relative quantities of reactants and products in chemical reactions. It enables users to input variables and receive accurate results without manual computation. This tool is particularly beneficial for students, educators, and professionals in the field of chemistry, providing a quick and efficient way to … Read more

Empirical Formula Calculator | Simplest Chemical Formula from Element Masses

Empirical Formula Calculator

An Empirical Formula represents the simplest whole-number ratio of the elements in a compound. It is a crucial tool in chemistry that helps determine the basic composition of a chemical substance. This calculator is designed for students, chemists, or anyone involved in chemical analysis who needs to calculate empirical formulas quickly and accurately.   By … Read more

Molar Mass Calculator | Find Molar Mass of a Chemical Compound

Molar Mass Calculator

The Molar Mass Calculator is a tool designed to assist in calculating the molar mass of chemical compounds. This is essential for chemists, students, and researchers who need to determine the amount of a substance in moles for a given mass. The calculator simplifies the process, saving time and reducing the likelihood of errors in … Read more

EU per mL to EU per mg Calculator | Convert Endotoxin Units

eu per ml to eu per mg Calculator

The eu per ml to eu per mg Calculator is a specialized tool designed to help you convert values measured in endotoxin units per milliliter (EU/mL) to endotoxin units per milligram (EU/mg). This is crucial for those working in fields such as pharmaceuticals, biotechnology, and laboratory research where precise measurements of endotoxin levels are needed. … Read more

Glucose Calculator | Check Blood Sugar Levels and Glucose Intake

Glucose Calculator

The Glucose Calculator is a specialized tool designed to help individuals monitor and manage their glucose levels effectively. Primarily used by people with diabetes, health professionals, and individuals interested in maintaining optimal health, this calculator aids in understanding glucose metrics and making informed decisions about diet and insulin usage. By providing precise calculations, it serves as … Read more

Heat Released Calculator | Find the Energy Released in Chemical or Physical Processes

Heat Released Calculator

The Heat Released Calculator makes it easy to determine the energy change based on the mass of a substance, its specific heat capacity, and the temperature difference. Whether you’re analyzing a cooling metal, heating a liquid, or studying energy transfer in reactions, this tool offers instant, accurate results—no complex formulas required. Use it for quick … Read more

PPB to PPM Conversion Calculator: A Precise Tool for Measurement Conversion

PPB to PPM Conversion Calculator

The PPB to PPM Conversion Calculator is a specialized tool designed to convert values from parts-per-billion (PPB) to parts-per-million (PPM). This calculator is particularly useful in fields like environmental science, chemistry, and engineering, where precise measurement conversions are essential. The user-friendly interface of a Parts Per Billion to Parts Per Million Calculator come with a … Read more

Percent to PPM Conversion Calculator | % to Parts-Per-Million

Percent to PPM Conversion Calculator

The Percent to PPM Conversion Calculator is a vital tool for professionals and enthusiasts in fields where precise concentration measurements are essential. It effortlessly transforms values from percent (%) to parts-per-million (PPM), a conversion often needed in scientific, environmental, and industrial tasks. This % to Parts-Per-Million calculator is designed for accuracy, ease of use, and … Read more

PPM to Percent Conversion Calculator | Get Parts-Per-Million

PPM to Percent Conversion Calculator

The PPM to Percent Conversion Calculator is an essential tool for anyone dealing with scientific, environmental, or industrial measurements. This calculator seamlessly converts values from parts-per-million (PPM) to percent (%), a conversion crucial in various fields, including chemistry, biology, and environmental science. The functionality of this calculator is straightforward yet powerful, offering precision and ease … Read more

THC Calculator | Estimate Drug Test Readiness Online (Updated)

THC Calculator: Estimate Your Drug Test Readiness Online

The THC Calculator (THC Detox Calculator) is a unique tool designed for individuals seeking to understand how long Tetrahydrocannabinol (THC) might remain detectable in their system. This calculator factors in your THC usage, body weight, and activity level to estimate the time required to pass a urine drug test. It’s a valuable resource for anyone … Read more