The “cubic meter per year” is a unit of volumetric flow rate that quantifies the amount of volume passing through a system in one year. This unit is often employed in contexts such as hydrology, where it measures the flow rates of rivers to assess water management and distribution. Imagine a single cubic meter cube—roughly the size of a dishwasher—passing by you once every year; it’s a stark reminder of the vast scale at which natural water systems operate.
Interestingly, this unit allows for the calculation of a river’s annual discharge, which can influence decisions related to agriculture, urban water supply, and environmental conservation. An understanding of flow rates on this scale contributes significantly to sustainable water resource management in different regions worldwide.
The cubic kilometer per second (km³/s) is an immense unit of volumetric flow rate, often used to describe the colossal discharges from natural phenomena like volcanic eruptions or catastrophic floods. To put it into perspective, consider that the entire flow of the Amazon River, the largest river by discharge volume in the world, averages about 0.21 km³/s. This staggering volume showcases the incredible power and scale inherent in natural water and magma systems.
Such massive flow rates are not commonly encountered in everyday scenarios, making this unit indispensable for geologists and hydrologists attempting to quantify and model the transport and dispersal of water or magma over large geographic areas. Understanding these flows can be crucial for mitigating the impacts of natural disasters.
| Cubic meters per year | Cubic kilometers per second |
|---|---|
0
m³/a
|
0
km³/s
|
10000
m³/a
|
3.16881e-13
km³/s
|
20000
m³/a
|
6.33762e-13
km³/s
|
30000
m³/a
|
9.50643e-13
km³/s
|
40000
m³/a
|
1.26752e-12
km³/s
|
50000
m³/a
|
1.5844e-12
km³/s
|
60000
m³/a
|
1.90129e-12
km³/s
|
70000
m³/a
|
2.21817e-12
km³/s
|
80000
m³/a
|
2.53505e-12
km³/s
|
90000
m³/a
|
2.85193e-12
km³/s
|
100000
m³/a
|
3.16881e-12
km³/s
|
110000
m³/a
|
3.48569e-12
km³/s
|
120000
m³/a
|
3.80257e-12
km³/s
|
130000
m³/a
|
4.11945e-12
km³/s
|
140000
m³/a
|
4.43633e-12
km³/s
|
150000
m³/a
|
4.75321e-12
km³/s
|
160000
m³/a
|
5.07009e-12
km³/s
|
170000
m³/a
|
5.38697e-12
km³/s
|
180000
m³/a
|
5.70386e-12
km³/s
|
190000
m³/a
|
6.02074e-12
km³/s
|
200000
m³/a
|
6.33762e-12
km³/s
|
210000
m³/a
|
6.6545e-12
km³/s
|
220000
m³/a
|
6.97138e-12
km³/s
|
230000
m³/a
|
7.28826e-12
km³/s
|
240000
m³/a
|
7.60514e-12
km³/s
|
250000
m³/a
|
7.92202e-12
km³/s
|
260000
m³/a
|
8.2389e-12
km³/s
|
270000
m³/a
|
8.55578e-12
km³/s
|
280000
m³/a
|
8.87266e-12
km³/s
|
290000
m³/a
|
9.18955e-12
km³/s
|
300000
m³/a
|
9.50643e-12
km³/s
|
310000
m³/a
|
9.82331e-12
km³/s
|
320000
m³/a
|
1.01402e-11
km³/s
|
330000
m³/a
|
1.04571e-11
km³/s
|
340000
m³/a
|
1.07739e-11
km³/s
|
350000
m³/a
|
1.10908e-11
km³/s
|
360000
m³/a
|
1.14077e-11
km³/s
|
370000
m³/a
|
1.17246e-11
km³/s
|
380000
m³/a
|
1.20415e-11
km³/s
|
390000
m³/a
|
1.23584e-11
km³/s
|
400000
m³/a
|
1.26752e-11
km³/s
|
410000
m³/a
|
1.29921e-11
km³/s
|
420000
m³/a
|
1.33090e-11
km³/s
|
430000
m³/a
|
1.36259e-11
km³/s
|
440000
m³/a
|
1.39428e-11
km³/s
|
450000
m³/a
|
1.42596e-11
km³/s
|
460000
m³/a
|
1.45765e-11
km³/s
|
470000
m³/a
|
1.48934e-11
km³/s
|
480000
m³/a
|
1.52103e-11
km³/s
|
490000
m³/a
|
1.55272e-11
km³/s
|
500000
m³/a
|
1.5844e-11
km³/s
|
510000
m³/a
|
1.61609e-11
km³/s
|
520000
m³/a
|
1.64778e-11
km³/s
|
530000
m³/a
|
1.67947e-11
km³/s
|
540000
m³/a
|
1.71116e-11
km³/s
|
550000
m³/a
|
1.74284e-11
km³/s
|
560000
m³/a
|
1.77453e-11
km³/s
|
570000
m³/a
|
1.80622e-11
km³/s
|
580000
m³/a
|
1.83791e-11
km³/s
|
590000
m³/a
|
1.8696e-11
km³/s
|
600000
m³/a
|
1.90129e-11
km³/s
|
610000
m³/a
|
1.93297e-11
km³/s
|
620000
m³/a
|
1.96466e-11
km³/s
|
630000
m³/a
|
1.99635e-11
km³/s
|
640000
m³/a
|
2.02804e-11
km³/s
|
650000
m³/a
|
2.05973e-11
km³/s
|
660000
m³/a
|
2.09141e-11
km³/s
|
670000
m³/a
|
2.1231e-11
km³/s
|
680000
m³/a
|
2.15479e-11
km³/s
|
690000
m³/a
|
2.18648e-11
km³/s
|
700000
m³/a
|
2.21817e-11
km³/s
|
710000
m³/a
|
2.24985e-11
km³/s
|
720000
m³/a
|
2.28154e-11
km³/s
|
730000
m³/a
|
2.31323e-11
km³/s
|
740000
m³/a
|
2.34492e-11
km³/s
|
750000
m³/a
|
2.37661e-11
km³/s
|
760000
m³/a
|
2.40829e-11
km³/s
|
770000
m³/a
|
2.43998e-11
km³/s
|
780000
m³/a
|
2.47167e-11
km³/s
|
790000
m³/a
|
2.50336e-11
km³/s
|
800000
m³/a
|
2.53505e-11
km³/s
|
810000
m³/a
|
2.56674e-11
km³/s
|
820000
m³/a
|
2.59842e-11
km³/s
|
830000
m³/a
|
2.63011e-11
km³/s
|
840000
m³/a
|
2.6618e-11
km³/s
|
850000
m³/a
|
2.69349e-11
km³/s
|
860000
m³/a
|
2.72518e-11
km³/s
|
870000
m³/a
|
2.75686e-11
km³/s
|
880000
m³/a
|
2.78855e-11
km³/s
|
890000
m³/a
|
2.82024e-11
km³/s
|
900000
m³/a
|
2.85193e-11
km³/s
|
910000
m³/a
|
2.88362e-11
km³/s
|
920000
m³/a
|
2.9153e-11
km³/s
|
930000
m³/a
|
2.94699e-11
km³/s
|
940000
m³/a
|
2.97868e-11
km³/s
|
950000
m³/a
|
3.01037e-11
km³/s
|
960000
m³/a
|
3.04206e-11
km³/s
|
970000
m³/a
|
3.07374e-11
km³/s
|
980000
m³/a
|
3.10543e-11
km³/s
|
990000
m³/a
|
3.13712e-11
km³/s
|
1000000
m³/a
|
3.16881e-11
km³/s
|
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