"width and length" is correct and usable in written English.
It is commonly used to refer to the measurements of an object or space. For example, "The table is two meters in width and length."
Unfolded, it takes up almost the entire width and length of the closet.
In height, width and length, the Lexus is within an inch of the BMW.
The width and length of the channel were 5 and 50 μm, respectively.
The width and length of the cylinder are a function of the vehicle's velocity.
(width and length) large, so that the light intensity can be high.
The X100 is two inches thick and about the width and length of a standard sheet of paper.
Through tuning the width and length of the stub, it is found that the width and length play an important role in optimizing the sensing characteristic.
Measuring 12.9in diagonally, the iPad Pro's screen offers 76% more screen area than the current 9.7in, with the same 4 3 ratio for its width and length.
The width and length of the absorber plat were 1.4 and 1.8 m, respectively.
The yellow arrows represent the direction of width and length.
They've gone the width and length of rooms and burned people and started fires".
