Understanding Grams per Liter to Grams per Cubic Centimeter Conversion
The gram per liter (g/L) is a convenient density and concentration unit for dilute solutions and gases, where masses are small relative to a liter of volume. The gram per cubic centimeter (g/cm3) is the compact reference unit equal to the density of water. Because a liter contains 1000 cubic centimeters, converting from g/L to g/cm3 shrinks the number by a factor of 1000, a step often needed when comparing a solution concentration to a solid's tabulated density.
Conversion Formula
To convert grams per liter to grams per cubic centimeter, multiply by this factor:
Step-by-Step Example
Convert 25 grams per liter to grams per cubic centimeter.
How to Convert Grams per Liter to Grams per Cubic Centimeter
Rescale a per-liter density down to the compact per-cubic-centimeter unit.
- Take the value: Start with the density in grams per liter, for example 25 g/L.
- Multiply by the factor: Use 0.001, since one liter holds 1000 cubic centimeters.
- Compute: 25 times 0.001 equals 0.025.
- State the result: 25 g/L equals 0.025 g/cm3.
grams per liter to grams per cubic centimeter conversion table
| grams per liter (g/L) | grams per cubic centimeter (g/cm3) |
|---|---|
| 0 | 0 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.007 |
| 8 | 0.008 |
| 9 | 0.009 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 30 | 0.03 |
| 40 | 0.04 |
| 50 | 0.05 |
| 60 | 0.06 |
| 70 | 0.07 |
| 80 | 0.08 |
| 90 | 0.09 |
| 100 | 0.1 |
| 150 | 0.15 |
| 200 | 0.2 |
| 250 | 0.25 |
| 300 | 0.3 |
| 400 | 0.4 |
| 500 | 0.5 |
| 600 | 0.6 |
| 700 | 0.7 |
| 800 | 0.8 |
| 900 | 0.9 |
| 1000 | 1 |
| 2000 | 2 |
| 3000 | 3 |
| 4000 | 4 |
| 5000 | 5 |
| 10000 | 10 |
| 25000 | 25 |
| 50000 | 50 |
| 100000 | 100 |
| 250000 | 250 |
| 500000 | 500 |
| 1000000 | 1000 |
What is the Gram per Liter?
The gram per litre is a metric unit of density or, more commonly, of mass concentration, expressing how many grams of a substance are present in one litre of a mixture or solution.
Definition
One gram per litre is one gram of mass in one litre of volume. Since a litre is one thousandth of a cubic metre and a gram one thousandth of a kilogram, the unit equals exactly one kilogram per cubic metre.
It is numerically identical to the milligram per millilitre and to the kilogram per cubic metre.
Origin and History
The gram per litre descends directly from the metric system introduced in France in the 1790s, which defined both the gram and the litre. It became the natural way to state the strength of dissolved substances as analytical chemistry developed through the 19th and 20th centuries.
Law and Notable Facts
The gram per litre is legal within the SI framework and is the standard unit for many regulated concentrations, including alcohol content of beverages, dissolved solids in water, and gas densities. It is one thousandth of a gram per millilitre, so a solution of 5 g/L contains 0.005 g in every millilitre.
Real-World Examples and Conversions
- Seawater contains roughly 35 g/L of dissolved salts.
- The density of dry air at sea level is about 1.225 g/L.
- A blood-alcohol level of 0.5 g/L is a common legal driving limit.
- 1 g/L = 1 kg/m³ = 1 mg/mL = 0.001 g/mL.
What is the Gram per Cubic Centimeter?
The gram per cubic centimetre is a metric unit of density widely used in chemistry, materials science, and geology because most solids and liquids have convenient single- or double-digit values in these units.
Definition
One gram per cubic centimetre is one gram of mass in a volume of one cubic centimetre. Since a cubic centimetre is one millionth of a cubic metre and a gram is one thousandth of a kilogram, the unit equals exactly 1000 kilograms per cubic metre.
It is numerically identical to the gram per millilitre and to the tonne per cubic metre.
Origin and History
The unit arose from the centimetre-gram-second (CGS) system introduced in the 19th century, in which it was the standard measure of density. It was historically anchored to water: the gram was originally defined so that one cubic centimetre of water at maximum density weighed almost exactly one gram, giving water a density near 1 g/cm³.
Law and Notable Facts
Though CGS has been superseded by SI, the gram per cubic centimetre remains the everyday unit for tabulating densities of materials. A substance with density less than 1 g/cm³ floats on water while a denser one sinks. Osmium and iridium, the densest naturally occurring elements, sit around 22.6 g/cm³.
Real-World Examples and Conversions
- Water at 4 °C: about 1.000 g/cm³ (1000 kg/m³).
- Aluminium: about 2.70 g/cm³; iron: about 7.87 g/cm³.
- Gold: about 19.3 g/cm³ (19300 kg/m³).
- 1 g/cm³ = 1000 kg/m³ = 1 g/mL = 1 kg/L.
Frequently Asked Questions
What is 1 gram per liter in grams per cubic centimeter?
One gram per liter equals 0.001 g/cm3. The value is small because a liter is 1000 times larger than a cubic centimeter.
How do I convert grams per cubic centimeter back to grams per liter?
Multiply the g/cm3 value by 1000. For example, water at 1 g/cm3 is 1000 g/L.
When is this conversion needed in the lab?
Solution concentrations and gas densities are handy in g/L, but many reference tables list solid and liquid densities in g/cm3. Converting lets you compare a prepared solution against those tabulated values.
What is a 25 g/L solution in g/cm3?
It contributes 0.025 g/cm3 of dissolved mass, since 25 times 0.001 equals 0.025. This is far below water's own density of 1 g/cm3.
Are grams per liter and kilograms per cubic meter related?
Yes. One gram per liter equals exactly one kilogram per cubic meter, so g/L values can double as kg/m3 values without any change.
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Complete grams per liter conversion table
| Unit | Result |
|---|---|
| kilograms per cubic meter (kg/m3) | 1 kg/m3 |
| grams per cubic centimeter (g/cm3) | 0.001 g/cm3 |
| grams per milliliter (g/mL) | 0.001 g/mL |
| milligrams per milliliter (mg/mL) | 1 mg/mL |
| kilograms per liter (kg/L) | 0.001 kg/L |
| tonnes per cubic meter (t/m3) | 0.001 t/m3 |
| pounds per cubic foot (lb/ft3) | 0.06242796 lb/ft3 |
| pounds per cubic inch (lb/in3) | 0.00003612729 lb/in3 |
| pounds per cubic yard (lb/yd3) | 1.685555 lb/yd3 |
| pounds per US gallon (lb/gal) | 0.008345404 lb/gal |
| ounces per cubic inch (oz/in3) | 0.0005780367 oz/in3 |
| ounces per US gallon (oz/gal) | 0.1335265 oz/gal |
| slugs per cubic foot (slug/ft3) | 0.00194032 slug/ft3 |