A measuring cup.
A measuring cylinder
Use a graduated cylinder to measure liquid volume.
measuring cylinder, volumetric flask and so many more
Graduated container.
By graduated cylinder and buret.
A graduated cylinder is typically used to measure the mass of a liquid. One could also multiply the density and volume of liquid in order to find the mass.
liquid
A ruler no a better way is by dropping the cube in a liquid containg beaker displaced liquid will give you the volume
A common instrument used to measure the volume of liquid is a graduated cylinder. It is a tall, narrow container with calibrated markings along its length that indicate the volume of liquid it contains.
graduated cylindergraduated cylinderSubmerge your solid in a liquid the liquid volume displaced is equal to your irregular solid volume.
Find the volume then divide the mass by the volume.
To find the volume of a liquid in liters, you can use a measuring container marked in liters. Simply pour the liquid into the container and read the volume indicated on the container in liters.