Enter your Mass of Solute, Volume of Solution, or Concentration — along with their respective units — and hit Calculate to find whichever value you're missing, whether that's the calculated concentration, solute mass, or solution volume.
Calculated Value
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Concentration
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Mass per volume concentration expresses the amount of solute (mass) dissolved in a given volume of solution. Common units include mg/mL, μg/μL, and g/L. This type of concentration is especially useful for compounds without well-defined molecular weights.
To calculate mass, multiply the desired concentration by the volume of solution needed. For example, for 100 mL of 5 mg/mL solution, you need 5 mg/mL × 100 mL = 500 mg of compound.
Divide the mass of your compound by the desired concentration. For example, if you have 200 mg of compound and want a 10 mg/mL solution, you need 200 mg ÷ 10 mg/mL = 20 mL of solution.
Divide the mass of solute by the volume of solution. For example, if you dissolved 50 mg of compound in 25 mL of solution, the concentration is 50 mg ÷ 25 mL = 2 mg/mL.
The calculator supports various mass units (picograms to kilograms) and volume units (femtoliters to liters). You can mix different units as needed for your specific application.
Use mass/volume concentration when working with compounds that don't have well-defined molecular weights, such as proteins, carbohydrates, or other polymers. It's also common in biological and medical applications.
The calculator provides highly accurate results with up to 6 decimal places. However, practical accuracy depends on your measurement precision and the purity of your compounds.
This calculator is designed for preparing solutions from solid compounds. For diluting existing solutions, you would need to use dilution formulas or a dedicated dilution calculator.