Converting from glas to gigalitres spans an enormous range of scale, taking a small Swedish cooking measure all the way up to a unit used for reservoir- and lake-sized volumes.
Understanding the Conversion
A glas is a standardized Swedish kitchen measure equal to 200 millilitres, or 2 decilitres (0.2 litres). A gigalitre is a metric unit equal to one billion litres (10⁹ L). Since a single glas is only 0.2 litres, converting it to gigalitres produces a very small number.
The Conversion Factor
One glas equals exactly 0.0000000002 gigalitres (2 × 10⁻¹⁰ GL), because 0.2 litres ÷ 1,000,000,000 litres per gigalitre = 2 × 10⁻¹⁰. In reverse, one gigalitre equals 5,000,000,000 glas.
Example
Convert 5 glas to gigalitres:
Even five glasfuls amount to only a billionth of a gigalitre.
How to Convert Glas to Gigalitres
To convert Glas to Gigalitres, multiply the number of Glas by the conversion factor from glas to Gl. Here, the given factor is glas Gl.
-
Write down the conversion factor:
Use the known relationship between the units: -
Set up the conversion formula:
Multiply the amount in Glas by the factor in Gigalitres per glas: -
Substitute the given value:
Insert for the number of Glas: -
Calculate the result:
Multiply by : -
Result:
A quick way to check your work is to confirm that multiplying by a very small conversion factor gives a very small result. Keeping the units in the equation also helps prevent mistakes.
Glas to Gigalitres conversion table
| Glas (glas) | Gigalitres (Gl) |
|---|---|
| 0 | 0 |
| 1 | 2e-10 |
| 2 | 4e-10 |
| 3 | 6e-10 |
| 4 | 8e-10 |
| 5 | 1e-9 |
| 6 | 1.2e-9 |
| 7 | 1.4e-9 |
| 8 | 1.6e-9 |
| 9 | 1.8e-9 |
| 10 | 2e-9 |
| 15 | 3e-9 |
| 20 | 4e-9 |
| 25 | 5e-9 |
| 30 | 6e-9 |
| 40 | 8e-9 |
| 50 | 1e-8 |
| 60 | 1.2e-8 |
| 70 | 1.4e-8 |
| 80 | 1.6e-8 |
| 90 | 1.8e-8 |
| 100 | 2e-8 |
| 150 | 3e-8 |
| 200 | 4e-8 |
| 250 | 5e-8 |
| 300 | 6e-8 |
| 400 | 8e-8 |
| 500 | 1e-7 |
| 600 | 1.2e-7 |
| 700 | 1.4e-7 |
| 800 | 1.6e-7 |
| 900 | 1.8e-7 |
| 1000 | 2e-7 |
| 2000 | 4e-7 |
| 3000 | 6e-7 |
| 4000 | 8e-7 |
| 5000 | 0.000001 |
| 10000 | 0.000002 |
| 25000 | 0.000005 |
| 50000 | 0.00001 |
| 100000 | 0.00002 |
| 250000 | 0.00005 |
| 500000 | 0.0001 |
| 1000000 | 0.0002 |
What is Glas?
Glas is a Swedish unit of volume used in cooking and baking. The word "glas" is Swedish for "glass," reflecting its origin as a measure based on the contents of a drinking glass. In modern Swedish recipes it is a standardized measure.
Definition of Glas
In the standardized Swedish system of kitchen measures (matmått), one glas is defined as 2 deciliters, which is equal to 200 millilitres.
Like the other Swedish cooking measures (kryddmått, tesked, matsked, and kaffekopp), the glas follows the metric system, so conversions to litres and millilitres are exact.
Relationship to Other Units
The glas fits neatly into the family of Swedish volume measures and the wider metric system:
- 1 glas = 200 mL = 20 centilitres
- 1 glas = 2 deciliter (dL)
- 1 glas ≈ 6.76 US fluid ounces
- 1 glas ≈ 7.04 Imperial fluid ounces
- 1 glas ≈ 0.85 US cups
Because 1 kaffekopp (coffee cup) is 1.5 dL, a glas (2 dL) is slightly larger than a kaffekopp.
Historical Context
The glas belongs to the set of household measures that Swedish cooks have long used in place of scales. As Sweden adopted the metric system in the late 19th century, these traditional kitchen measures were standardized to round metric values, giving the glas its modern value of 2 dL. There is no single law or historical figure directly associated with it; rather, it reflects the gradual standardization of everyday cooking measurements.
Real-World Examples
Glas measurements appear frequently in Swedish and Scandinavian recipes:
- Baking: A cake recipe might call for 3 glas of flour.
- Cooking: A sauce or soup might need 1 glas of cream or stock.
- Drinks: Punch and cordial recipes are often measured in glas.
Converting Glas
Because the glas is defined in exact metric terms, conversion is straightforward. To convert a volume in glas to litres:
For example, 4 glas equals litres (800 mL).
What is Gigalitres?
A gigalitre is a large unit of volume, primarily used for measuring vast quantities of liquids, especially water resources. Understanding its scale is key to appreciating its use in environmental and industrial contexts.
Definition of Gigalitre
A gigalitre (GL) is a unit of volume equal to one billion litres. In scientific notation, it's represented as litres.
Formation and Relationship to Other Units
The prefix "giga" in gigalitre denotes a factor of one billion (). Therefore:
- 1 Gigalitre (GL) = 1,000,000,000 Litres (L)
- 1 Gigalitre (GL) = 1,000,000 Cubic Meters ()
- 1 Gigalitre (GL) = 1,000 Megalitres (ML)
Real-World Examples of Gigalitre Quantities
- Reservoir Capacity: Large reservoirs and dams often have their capacity measured in gigalitres. For example, a medium-sized reservoir might hold 50-100 GL of water.
- Water Consumption: The annual water consumption of a large city can be measured in gigalitres.
- Irrigation: Large-scale irrigation projects use gigalitres of water per season to irrigate crops.
- Industrial Usage: Industries that require vast amounts of water, such as power plants and mining operations, often measure their water usage in gigalitres.
- Flooding: Large flood events can displace or involve gigalitres of water.
Interesting Facts
- Unit Symbol Standardization: While "GL" is the common abbreviation, variations like "Gl" might exist, but "GL" is the preferred symbol according to SI standards.
- Scale Comparison: One gigalitre is enough to fill approximately 400 Olympic-sized swimming pools.
- Environmental Impact: Tracking water resources in gigalitre quantities is essential for managing water scarcity, planning infrastructure, and understanding environmental impact.
- Lake Superior: Lake Superior is one of the largest fresh water lake in the world. Its approximate volume is about 12 million Gigalitres (roughly 12,100 cubic kilometers).
Application
Gigalitre and other volume measurements are used in many fields. For more information read the article about volume.
Frequently Asked Questions
What is the formula to convert Glas to Gigalitres?
Use the factor: glas Gl.
The formula is .
How many Gigalitres are in 1 Glas?
There are Gl in glas.
This is the direct conversion value used for all calculations on the page.
How do I convert multiple Glas to Gigalitres?
Multiply the number of glas by to get Gigalitres.
For example, glas Gl.
Why is the Gigalitre value so small when converting from Glas?
A Gigalitre is an extremely large unit of volume, so small everyday units convert to very tiny decimal values.
Because glas equals only Gl, the result will usually be a very small number.
Where is converting Glas to Gigalitres useful in real life?
This conversion can be useful when comparing very small container volumes with large-scale water storage, industrial capacity, or reservoir data.
It helps put everyday quantities like a glass-sized amount into the context of infrastructure-scale measurements.
Can I use scientific notation for Glas to Gigalitres conversions?
Yes, scientific notation is often the clearest way to express the result because the values are very small.
For instance, glas Gl is easier to read than writing many leading zeros.