Convert solute mass to ppm by mass, calculate solute for a final mixture, add pure solute to an existing mixture, or convert concentration units. Liquid conversions use solution density; ppm by mass is mg/kg.
| Grams to PPM (1 L) | PPM to Grams (1 L) |
|---|---|
| 0.01 g = 10 ppm | 1 ppm = 0.001 g |
| 0.02 g = 20 ppm | 5 ppm = 0.005 g |
| 0.05 g = 50 ppm | 10 ppm = 0.01 g |
| 0.1 g = 100 ppm | 25 ppm = 0.025 g |
| 0.2 g = 200 ppm | 50 ppm = 0.05 g |
| 0.25 g = 250 ppm | 75 ppm = 0.075 g |
| 0.5 g = 500 ppm | 100 ppm = 0.1 g |
| 0.75 g = 750 ppm | 150 ppm = 0.15 g |
| 1 g = 1000 ppm | 200 ppm = 0.2 g |
| 1.5 g = 1500 ppm | 250 ppm = 0.25 g |
| 2 g = 2000 ppm | 300 ppm = 0.3 g |
| 2.5 g = 2500 ppm | 400 ppm = 0.4 g |
| 5 g = 5000 ppm | 500 ppm = 0.5 g |
| 7.5 g = 7500 ppm | 750 ppm = 0.75 g |
| 10 g = 10000 ppm | 1000 ppm = 1 g |
| 15 g = 15000 ppm | 1500 ppm = 1.5 g |
| 20 g = 20000 ppm | 2000 ppm = 2 g |
| 25 g = 25000 ppm | 3000 ppm = 3 g |
| 50 g = 50000 ppm | 5000 ppm = 5 g |
| 100 g = 100000 ppm | 10000 ppm = 10 g |
| For 1 L final solution at density 1 kg/L: ppm by mass = g × 1000; g = ppm ÷ 1000. Density is required for other liquids. | |
Grams To ppm Formula
The following formula is used to calculate the conversion from grams to parts per million (ppm).
Variables:
- PPM is the concentration in parts per million (ppm)
- G is the mass of the substance in grams (g)
- T is the total mixture mass in grams, including solute. For a liquid, T = volume in L × solution density in kg/L × 1,000.
Divide solute mass by total mixture mass in the same units and multiply by one million. One ppm by mass is 1 mg/kg. The mg/L equivalent equals ppm × density in kg/L; equality with mg/L uses the 1 kg/L water-like approximation. See EPA reporting guidance. For a fixed final mixture, solute mass = target ppm × total mass ÷ 1,000,000. When adding pure solute to an existing mixture, x = initial mass × (target ppm − current ppm) ÷ (1,000,000 − target ppm), because addition increases total mass.
What is Grams To ppm?
Grams to parts per million (ppm) is a conversion of measurement used to denote the concentration of one substance within another. One part per million signifies one part of a substance per million parts of the total mixture. It is often used in scientific research, environmental studies, and other fields to measure very small quantities. The conversion from grams to ppm involves knowing the total mass or volume of the mixture, as ppm is a ratio of the part to the whole.
How to Calculate Grams To ppm?
The following steps outline how to calculate the Grams To ppm using the formula: PPM = (G / T) * 10^6.
- First, determine the mass of the substance in grams (G).
- Next, determine the total mixture mass in grams (T), or convert final liquid volume using its solution density.
- Next, use the formula PPM = (G / T) * 10^6 to calculate the concentration in parts per million (ppm).
- Finally, calculate the Grams To ppm.
- After inserting the values of G and T into the formula and calculating the result, check your answer with the calculator above.
Example Problem:
Use the following variables as an example problem to test your knowledge.
mass of the substance (G) = 5 grams
Total mixture mass T = 1,000 g, including 5 g of solute. The mass fraction is (5 / 1,000) × 1,000,000 = 5,000 ppm by mass.
