Concentration - Solution Converter

Simplify solution concentration conversions. Easily convert between different solution concentration units to streamline your calculations.


Concentration - Solution Unit Converter


A concentration - solution unit converter is a tool designed to convert between different units of concentration used to express the amount of a substance dissolved in a solution per unit volume. Concentration measurements are crucial in various fields such as chemistry, environmental science, and pharmacology, where precise quantification of substances in solutions is necessary for analysis, dosage calculations, and regulatory compliance.


  1. Kilogram/liter [kg/L]
  2. Gram/liter [g/L]
  3. Milligram/liter [mg/L]
  4. Part/million (ppm)
  5. Grain/gallon (US) [gr/gal (US)]
  6. Grain/gallon (UK) [gr/gal (UK)]
  7. Pound/gallon (US)
  8. Pound/gallon (UK)
  9. Pound/million gallon (US)
  10. Pound/million gallon (UK)
  11. Pound/cubic foot [lb/ft³]


Concentration (C) is calculated using the formula:

C=mVC = \frac{m}{V}


  • CC = Concentration (in the desired unit)
  • mm = Mass of solute (in kilograms, grams, pounds, etc.)
  • VV = Volume of solution (in liters, gallons, cubic feet, etc.)

How to Convert:

To convert between different units of concentration, follow these steps:

  1. Identify the unit you have and the unit you want to convert to.
  2. Determine the conversion factor between the two units. This factor may involve simple multiplication or division.
  3. Multiply or divide the concentration value by the conversion factor to obtain the equivalent value in the desired unit.


  1. Conversion from Kilogram/liter to Pound/gallon (US):Conversion Factor: 1 kilogram = 2.20462 pounds, 1 liter = 0.264172 gallons (US)1kg/L=2.204620.264172lb/gal (US)1 \, \text{kg/L} = \frac{2.20462}{0.264172} \, \text{lb/gal (US)}

  2. Conversion from Milligram/liter to Part/million (ppm):Conversion Factor: 1 milligram = 10610^{-6} kilograms, 1 liter = 10610^6 cubic millimeters1mg/L=106106ppm1 \, \text{mg/L} = \frac{10^{-6}}{10^{-6}} \, \text{ppm}

  3. Conversion from Pound/cubic foot to Grain/gallon (UK):Conversion Factor: 1 pound = 7000 grains, 1 cubic foot = 7.48052 gallons (UK)1lb/ft3=70007.48052gr/gal (UK)1 \, \text{lb/ft}^3 = \frac{7000}{7.48052} \, \text{gr/gal (UK)}

By following these steps, you can accurately convert between various units of concentration, facilitating efficient analysis and communication in applications where solution concentrations are important.

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