The gigalitre (GL) is a volumetric unit equivalent to one billion litres, often used to measure water resources on a large scale. To put this into perspective, a gigalitre of water could fill approximately 400 Olympic-sized swimming pools! This unit is crucial in managing and understanding global water sources, especially in regions facing water scarcity.
Interestingly, the Snowy Mountains Scheme in Australia, one of the largest engineering projects in the world, diverts roughly 4,000 gigalitres of water annually, illustrating just how expansive the potential application of this unit can be. By using measurements like the gigalitre, governments and scientists can communicate more effectively about water reserves, helping to support sustainable water management and planning across diverse environments.
A cubic kilometer might sound abstract, but it’s a colossal unit of volume measurement that fires the imagination. Imagine a giant cube stretching a kilometer – that’s 1,000 meters – long on each side, containing one billion cubic meters! To visualize, picture over 400,000 Olympic-size swimming pools packed into that space. Cubic kilometers are often used to gauge the volume of large water bodies, like net water storage in massive reservoirs or the extent of vast glaciers.
Additionally, the mighty oceans of Earth collectively hold around 1.332 billion cubic kilometers of water. Despite their size covering 71% of Earth’s surface, converting ocean volumes into cubic kilometers provides a more graspable scale of our planet’s vast aquatic expanse, helping scientists track changes over time.
| Gigalitres | Cubic kilometers |
|---|---|
0
Gl
|
0
km³
|
0.1
Gl
|
0.0001
km³
|
0.2
Gl
|
0.0002
km³
|
0.3
Gl
|
0.0003
km³
|
0.4
Gl
|
0.0004
km³
|
0.5
Gl
|
0.0005
km³
|
0.6
Gl
|
0.0006
km³
|
0.7
Gl
|
0.0007
km³
|
0.8
Gl
|
0.0008
km³
|
0.9
Gl
|
0.0009
km³
|
1
Gl
|
0.001
km³
|
1.1
Gl
|
0.0011
km³
|
1.2
Gl
|
0.0012
km³
|
1.3
Gl
|
0.0013
km³
|
1.4
Gl
|
0.0014
km³
|
1.5
Gl
|
0.0015
km³
|
1.6
Gl
|
0.0016
km³
|
1.7
Gl
|
0.0017
km³
|
1.8
Gl
|
0.0018
km³
|
1.9
Gl
|
0.0019
km³
|
2
Gl
|
0.002
km³
|
2.1
Gl
|
0.0021
km³
|
2.2
Gl
|
0.0022
km³
|
2.3
Gl
|
0.0023
km³
|
2.4
Gl
|
0.0024
km³
|
2.5
Gl
|
0.0025
km³
|
2.6
Gl
|
0.0026
km³
|
2.7
Gl
|
0.0027
km³
|
2.8
Gl
|
0.0028
km³
|
2.9
Gl
|
0.0029
km³
|
3
Gl
|
0.003
km³
|
3.1
Gl
|
0.0031
km³
|
3.2
Gl
|
0.0032
km³
|
3.3
Gl
|
0.0033
km³
|
3.4
Gl
|
0.0034
km³
|
3.5
Gl
|
0.0035
km³
|
3.6
Gl
|
0.0036
km³
|
3.7
Gl
|
0.0037
km³
|
3.8
Gl
|
0.0038
km³
|
3.9
Gl
|
0.0039
km³
|
4
Gl
|
0.004
km³
|
4.1
Gl
|
0.0041
km³
|
4.2
Gl
|
0.0042
km³
|
4.3
Gl
|
0.0043
km³
|
4.4
Gl
|
0.0044
km³
|
4.5
Gl
|
0.0045
km³
|
4.6
Gl
|
0.0046
km³
|
4.7
Gl
|
0.0047
km³
|
4.8
Gl
|
0.0048
km³
|
4.9
Gl
|
0.0049
km³
|
5
Gl
|
0.005
km³
|
5.1
Gl
|
0.0051
km³
|
5.2
Gl
|
0.0052
km³
|
5.3
Gl
|
0.0053
km³
|
5.4
Gl
|
0.0054
km³
|
5.5
Gl
|
0.0055
km³
|
5.6
Gl
|
0.0056
km³
|
5.7
Gl
|
0.0057
km³
|
5.8
Gl
|
0.0058
km³
|
5.9
Gl
|
0.0059
km³
|
6
Gl
|
0.006
km³
|
6.1
Gl
|
0.0061
km³
|
6.2
Gl
|
0.0062
km³
|
6.3
Gl
|
0.0063
km³
|
6.4
Gl
|
0.0064
km³
|
6.5
Gl
|
0.0065
km³
|
6.6
Gl
|
0.0066
km³
|
6.7
Gl
|
0.0067
km³
|
6.8
Gl
|
0.0068
km³
|
6.9
Gl
|
0.0069
km³
|
7
Gl
|
0.007
km³
|
7.1
Gl
|
0.0071
km³
|
7.2
Gl
|
0.0072
km³
|
7.3
Gl
|
0.0073
km³
|
7.4
Gl
|
0.0074
km³
|
7.5
Gl
|
0.0075
km³
|
7.6
Gl
|
0.0076
km³
|
7.7
Gl
|
0.0077
km³
|
7.8
Gl
|
0.0078
km³
|
7.9
Gl
|
0.0079
km³
|
8
Gl
|
0.008
km³
|
8.1
Gl
|
0.0081
km³
|
8.2
Gl
|
0.0082
km³
|
8.3
Gl
|
0.0083
km³
|
8.4
Gl
|
0.0084
km³
|
8.5
Gl
|
0.0085
km³
|
8.6
Gl
|
0.0086
km³
|
8.7
Gl
|
0.0087
km³
|
8.8
Gl
|
0.0088
km³
|
8.9
Gl
|
0.0089
km³
|
9
Gl
|
0.009
km³
|
9.1
Gl
|
0.0091
km³
|
9.2
Gl
|
0.0092
km³
|
9.3
Gl
|
0.0093
km³
|
9.4
Gl
|
0.0094
km³
|
9.5
Gl
|
0.0095
km³
|
9.6
Gl
|
0.0096
km³
|
9.7
Gl
|
0.0097
km³
|
9.8
Gl
|
0.0098
km³
|
9.9
Gl
|
0.0099
km³
|
10
Gl
|
0.01
km³
|
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