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unit of measure: the base unit | the supplementary unit | the derived unit

geometry: the area of a flat figure | the area of a solid | the volume of the solid


unit

Volumetric flow rate

volume flow rate
rate of fluid flow or volume velocity

 

system of units:   SI;
statute:   derived unit;
name the value:   V, Q;
unit name:   cubic metre per second;
symbol unit:   m³/s;
relationship of definition:   Q = m/τ;
dimension:   L3 T-1;
expression in other units:   ft³/s, yd³/s, gal/h;

Definition

The volumetric flow rate is the physical measure, which defines the amount of fluid, gas or fine powder passing through a surface in a period of time.

1 cubic metre per second is volumetric flow rate equal to a cube of fluid with sides of 1 metre in length moving or exchanged each 1 second.

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Units of measurement

namesymbol value in SI unit:
m³/s
note
1 inch square per secondin³/s≈ 1.638 706 × 10-5 
1 inch square per minutein³/min≈ 2.731 177 × 10-7 
1 inch square per hourin³/h≈ 4.551 962 × 10-9 
1 gallon per secondgal/s≈ 3.785 412 × 10-3 
1 gallon per minutegal/min≈ 6.309 020 × 10-5 
1 gallon per hourgal/h≈ 1.051 503 × 10-6 
1 gallon per daygal/d≈ 4.381 264 × 10-8 
1 liter per secondl/s= 10-3 
1 liter per minutel/min≈ 1.(6) × 10-5 
1 liter per hour l/h≈ 2.(7) × 10-7 
1 foot square per secondft³/s≈ 2.831 685 × 10-2 
1 foot square per minuteft³/min≈ 4.719 474 × 10-4 
1 foot square per hourft³/h≈ 7.865 792 × 10-6 
1 metre square per minutem³/min≈ 1.(6) × 10-2  
1 metre square per hourm³/h≈ 2.(7) × 10-4 
1 yard square per secondyd³/s≈ 0.764 455 
1 yard square per minuteyd³/min≈ 1.274 258 × 10-2 
1 yard square per houryd³/h≈ 2.123 376 × 10-4