Concentration - Solution Converter
Convert solution concentration by mass per volume between grams per litre, kilograms per cubic metre, milligrams per millilitre and related units.
Written by Rahman · Last reviewed
Quick answer
Solution concentration expresses dissolved mass per unit volume, based here on grams per litre. One kilogram per litre is 1,000 g/L, and one milligram per litre equals one part per million in dilute aqueous solution, which is why water-quality results in mg/L and ppm are used interchangeably.
| Kilogram per litre (kg/L) | 1 |
| Gram per litre (g/L) | 1000 |
| Milligram per litre (mg/L) | 1000000 |
| Part per million (ppm) | 1000000 |
| Pound per US gallon (lb/gal) | 8.345404453 |
About the Concentration - Solution Converter
Solution concentration here is expressed by mass per unit volume, for example grams or kilograms per litre. It states how much solute is present in a given amount of solution.
It is widely used in chemistry, medicine and water treatment.
Frequently Asked Questions
How is concentration by mass measured?
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It is the mass of dissolved substance per unit of solution volume, such as grams per litre or milligrams per litre.
What does ppm mean?
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Parts per million expresses very small concentrations; for dilute water solutions, 1 ppm is about 1 milligram per litre.
How is this different from molar concentration?
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This uses mass of solute, while molar concentration uses the number of moles, so converting between them needs the molar mass.