Here's why:

* Graduated markings: Graduated cylinders have markings along the side that indicate specific volumes.

* Cylindrical shape: The cylindrical shape helps ensure accurate readings by reducing the surface tension effects that can occur in wider containers.

* Precision: Graduated cylinders come in various sizes with varying degrees of precision, allowing you to measure volumes with the appropriate level of accuracy.

While other tools can be used to measure liquid volume, the graduated cylinder is the most common and accurate option for this specific purpose.