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Convert molarity to percentage concentration easily with our Molar to Percentage Calculator. Accurate results for chemistry and lab solutions in seconds!
If you're working in a lab, studying chemistry, or preparing chemical solutions, you'll often need to convert molarity (mol/L) into percentage concentration (% w/v or % w/w). While these units describe the concentration of a solution, they serve different purposes and are used in different types of measurements. To make your task easier, we've developed an accurate and easy-to-use Molar to Percentage Calculator. This tool is perfect for students, chemists, pharmacists, or anyone dealing with chemical formulations.
Molarity (mol/L) measures how many moles of solute are present in one liter of solution.
Percentage concentration (% w/v) refers to how many grams of solute are present per 100 mL of solution.
To convert from molarity to percentage, you need to know the molecular weight (molar mass) of the substance.
For example, 1 M solution of NaCl (molecular weight = 58.44 g/mol) means 58.44 grams of NaCl are dissolved in 1 liter of solution. To find the percentage, we scale it to 100 mL.
Here's the basic formula:
% (w/v) = Molarity (mol/L) × Molar Mass (g/mol) ÷ 10
Explanation:
Example Calculation:
Let’s say you have a 2 M solution of NaCl (molecular weight = 58.44 g/mol):
% = 2 × 58.44 ÷ 10 = 11.688%
So a 2 M NaCl solution is equal to approximately 11.69% w/v.
Our calculator simplifies this entire process. Here’s how you can use it:
The tool helps remove human error and gives you quick, reliable results whether you're in the lab or working on a chemistry assignment.
This calculator is especially helpful when converting between other concentration units:
Convert % to Molarity:
Molarity = (% w/v × 10) ÷ Molar Mass
Convert mmol/L to %:
% = (mmol/L × Molar Mass) ÷ 10,000
Convert mg/mL to Molarity:
Molarity = (mg/mL ÷ Molar Mass) × 1000
These conversions are essential in chemistry, pharmacy, biology, and environmental science.
If you regularly work with chemical solutions, our Molar to Percentage Calculator is the tool you need. It saves time, ensures accuracy, and helps you understand the relationship between molarity and percentage concentration. No more manual calculations or complex formula memorization just enter your values and get instant results.
Whether you are a student, teacher, researcher, or lab technician, this calculator brings speed and precision to your chemical concentration conversions.
Use this formula:
% (w/v) = Molarity × Molar Mass ÷ 10
Yes. First, convert moles to grams using molar mass. Then, use the total solution volume to find the percentage.
W/v stands for weight/volume percentage. It represents the number of grams of solute per 100 mL of solution.
Mass percent (% m/m) = (mass of solute ÷ mass of solution) × 100
Molarity is moles per liter, a molecular count, while percentage is based on mass per 100 mL or g per 100 g, depending on the context.