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Meant to be used in both the teaching and research laboratory, this calculator (see below) can be utilized to perform dilution calculations when working with solutions having mass per volume (i.e., mass over volume) or weight per volume (i.e., weight over volume) concentration units such as pg/mL, μg/μL, mg/mL, g/L, etc. See our Mass per Volume Solution Concentration Calculator for a definition of mass per volume or weight per volume (e.g., mg/mL, g/L, etc.). Additional dilution calculators are also available and are suited to more specialized applications (see here).
If you wish to perform dilution factor or fold dilution calculations for solutions with mass per volume or weight per volume concentration units, use our Dilution Factor Calculator - Mass per Volume.
If you are starting with the solid material and wish to make a solution with the concentration expressed in mass per volume or weight per volume, use our Mass per Volume Solution Concentration Calculator.
Dilution equation • C1 is the concentration of the stock solution.
• V1 is the volume to be removed (i.e., aliquoted) from the concentrated stock solution.
• C2 is the final concentration of the diluted solution.
• V2 is the final volume of the diluted solution. This is the volume that results after V1 from the stock solution has been diluted with diluent to achieve a total diluted volume of V2.
• An alternative and commonly-used notation for this equation is M1V1 = M2V2, where M is used in place of C.
Dilution calculator - mass per volume
Each calculator cell shown below corresponds to a term in the formula presented above. Enter appropriate values in all cells except the one you wish to calculate. Therefore, at least three cells must have values, and no more than one cell may be blank. The value of the blank cell will be calculated based on the other values entered. After a calculation is performed, the calculated cell will be highlighted and subsequent calculations will calculate the value of the highlighted cell (with no requirement to have a blank cell). However, a blank cell has priority over a highlighted cell.
For convenience, this calculator allows you to select different volume and concentration units, and the necessary conversions are carried out for you to obtain the value of the blank cell in the desired unit.
 Stock concentration g/mL pg ng μg mg g kg per fL pL nL μL mL L Volume from stock mL fL pL nL μL mL L Final concentration g/mL pg ng μg mg g kg per fL pL nL μL mL L Final solution volume mL fL pL nL μL mL L