Enter the mass of solute, volume of solution, or concentration (PPM) into the calculator to determine the missing value.
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PPM Calculation Formula
The following equation is used to calculate the concentration in parts per million (PPM).
PPM = M / V
- Where PPM is the concentration in parts per million
- M is the mass of the solute (mg)
- V is the volume of the solution (L)
To calculate the concentration, divide the mass of the solute by the volume of the solution.
| Concentration (PPM) | Volume (L) |
|---|---|
| 0.5 | 200.000 |
| 1 | 100.000 |
| 2 | 50.000 |
| 5 | 20.000 |
| 10 | 10.000 |
| 20 | 5.000 |
| 25 | 4.000 |
| 50 | 2.000 |
| 75 | 1.333 |
| 100 | 1.000 |
| 150 | 0.667 |
| 200 | 0.500 |
| 250 | 0.400 |
| 300 | 0.333 |
| 400 | 0.250 |
| 500 | 0.200 |
| 750 | 0.133 |
| 1,000 | 0.100 |
| 1,500 | 0.067 |
| 2,000 | 0.050 |
| Assumes solute mass of 100 mg. Formula: Volume (L) = Mass (mg) / PPM (mg/L). | |
What is PPM?
Definition:
Parts per million (PPM) is a unit of measurement that describes the concentration of a substance in a solution, indicating the number of parts of solute per one million parts of the solution.
How to Calculate PPM?
Example Problem:
The following example outlines the steps and information needed to calculate the concentration in parts per million.
First, determine the mass of the solute. In this example, the mass is 500 mg.
Next, determine the volume of the solution. In this example, the volume is 2 L.
Finally, calculate the concentration using the formula above:
PPM = M / V
PPM = 500 / 2
PPM = 250
FAQ
What does PPM stand for?
PPM stands for parts per million, a unit of measurement that indicates the concentration of a substance in a solution.
How is the concentration in PPM calculated?
The concentration is calculated by dividing the mass of the solute (in mg) by the volume of the solution (in L), as shown in the formula above.
What happens if more than one input is missing?
For accurate results, ensure that only one field is left empty. If more than one field is missing, the calculator will not be able to determine the correct value.