The cubic meter per day is an intriguing unit of flow rate often used in water management, engineering, and environmental sciences. This unit describes the volume of fluid that passes through a specified point in a system every day. To put it into perspective, one cubic meter of water is equivalent to 1,000 liters or roughly 264 gallons. Therefore, a flow rate of one cubic meter per day translates to about 41 cups of water per hour!
In large-scale applications, such as municipal water supply systems, this unit helps quantify the vast amounts of water required to sustain urban populations. For example, a medium-sized city might require tens of thousands of cubic meters per day to meet its residents’ needs. Understanding and managing these flow rates is crucial for ensuring efficient resource distribution and conservation.
A cubic foot per second (cfs) is a unit of flow rate that describes the volume of water or other fluids moving past a point every second. It is commonly used in hydrology to measure rivers and streams, providing insight into water availability and flood prediction. To put it in perspective, one cubic foot per second is equivalent to 7.48 gallons per second. Thus, a modest stream might flow at several tens of cfs, while larger rivers, such as the Mississippi, can exceed 500,000 cfs!
Interestingly, this unit has historical significance dating back to the early days of water management, where it played a crucial role in the development of infrastructure for agriculture and urban planning, influencing patterns of settlement and economic development around the world.
Cubic meters per day | Cubic feet per second |
---|---|
0
m³/d
|
0
ft³/s
|
1000
m³/d
|
0.408735
ft³/s
|
2000
m³/d
|
0.81747
ft³/s
|
3000
m³/d
|
1.2262
ft³/s
|
4000
m³/d
|
1.63494
ft³/s
|
5000
m³/d
|
2.04367
ft³/s
|
6000
m³/d
|
2.45241
ft³/s
|
7000
m³/d
|
2.86114
ft³/s
|
8000
m³/d
|
3.26988
ft³/s
|
9000
m³/d
|
3.67861
ft³/s
|
10000
m³/d
|
4.08735
ft³/s
|
11000
m³/d
|
4.49608
ft³/s
|
12000
m³/d
|
4.90482
ft³/s
|
13000
m³/d
|
5.31355
ft³/s
|
14000
m³/d
|
5.72229
ft³/s
|
15000
m³/d
|
6.13102
ft³/s
|
16000
m³/d
|
6.53976
ft³/s
|
17000
m³/d
|
6.94849
ft³/s
|
18000
m³/d
|
7.35723
ft³/s
|
19000
m³/d
|
7.76596
ft³/s
|
20000
m³/d
|
8.1747
ft³/s
|
21000
m³/d
|
8.58343
ft³/s
|
22000
m³/d
|
8.99217
ft³/s
|
23000
m³/d
|
9.4009
ft³/s
|
24000
m³/d
|
9.80963
ft³/s
|
25000
m³/d
|
10.21837
ft³/s
|
26000
m³/d
|
10.6271
ft³/s
|
27000
m³/d
|
11.03584
ft³/s
|
28000
m³/d
|
11.44457
ft³/s
|
29000
m³/d
|
11.85331
ft³/s
|
30000
m³/d
|
12.26204
ft³/s
|
31000
m³/d
|
12.67078
ft³/s
|
32000
m³/d
|
13.07951
ft³/s
|
33000
m³/d
|
13.48825
ft³/s
|
34000
m³/d
|
13.89698
ft³/s
|
35000
m³/d
|
14.30572
ft³/s
|
36000
m³/d
|
14.71445
ft³/s
|
37000
m³/d
|
15.12319
ft³/s
|
38000
m³/d
|
15.53192
ft³/s
|
39000
m³/d
|
15.94066
ft³/s
|
40000
m³/d
|
16.34939
ft³/s
|
41000
m³/d
|
16.75813
ft³/s
|
42000
m³/d
|
17.16686
ft³/s
|
43000
m³/d
|
17.5756
ft³/s
|
44000
m³/d
|
17.98433
ft³/s
|
45000
m³/d
|
18.39307
ft³/s
|
46000
m³/d
|
18.8018
ft³/s
|
47000
m³/d
|
19.21053
ft³/s
|
48000
m³/d
|
19.61927
ft³/s
|
49000
m³/d
|
20.028
ft³/s
|
50000
m³/d
|
20.43674
ft³/s
|
51000
m³/d
|
20.84547
ft³/s
|
52000
m³/d
|
21.25421
ft³/s
|
53000
m³/d
|
21.66294
ft³/s
|
54000
m³/d
|
22.07168
ft³/s
|
55000
m³/d
|
22.48041
ft³/s
|
56000
m³/d
|
22.88915
ft³/s
|
57000
m³/d
|
23.29788
ft³/s
|
58000
m³/d
|
23.70662
ft³/s
|
59000
m³/d
|
24.11535
ft³/s
|
60000
m³/d
|
24.52409
ft³/s
|
61000
m³/d
|
24.93282
ft³/s
|
62000
m³/d
|
25.34156
ft³/s
|
63000
m³/d
|
25.75029
ft³/s
|
64000
m³/d
|
26.15903
ft³/s
|
65000
m³/d
|
26.56776
ft³/s
|
66000
m³/d
|
26.9765
ft³/s
|
67000
m³/d
|
27.38523
ft³/s
|
68000
m³/d
|
27.79396
ft³/s
|
69000
m³/d
|
28.2027
ft³/s
|
70000
m³/d
|
28.61143
ft³/s
|
71000
m³/d
|
29.02017
ft³/s
|
72000
m³/d
|
29.4289
ft³/s
|
73000
m³/d
|
29.83764
ft³/s
|
74000
m³/d
|
30.24637
ft³/s
|
75000
m³/d
|
30.65511
ft³/s
|
76000
m³/d
|
31.06384
ft³/s
|
77000
m³/d
|
31.47258
ft³/s
|
78000
m³/d
|
31.88131
ft³/s
|
79000
m³/d
|
32.29005
ft³/s
|
80000
m³/d
|
32.69878
ft³/s
|
81000
m³/d
|
33.10752
ft³/s
|
82000
m³/d
|
33.51625
ft³/s
|
83000
m³/d
|
33.92499
ft³/s
|
84000
m³/d
|
34.33372
ft³/s
|
85000
m³/d
|
34.74246
ft³/s
|
86000
m³/d
|
35.15119
ft³/s
|
87000
m³/d
|
35.55993
ft³/s
|
88000
m³/d
|
35.96866
ft³/s
|
89000
m³/d
|
36.3774
ft³/s
|
90000
m³/d
|
36.78613
ft³/s
|
91000
m³/d
|
37.19486
ft³/s
|
92000
m³/d
|
37.6036
ft³/s
|
93000
m³/d
|
38.01233
ft³/s
|
94000
m³/d
|
38.42107
ft³/s
|
95000
m³/d
|
38.8298
ft³/s
|
96000
m³/d
|
39.23854
ft³/s
|
97000
m³/d
|
39.64727
ft³/s
|
98000
m³/d
|
40.05601
ft³/s
|
99000
m³/d
|
40.46474
ft³/s
|
100000
m³/d
|
40.87348
ft³/s
|
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