Cooking rice is a staple in many cultures around the world, and getting the water ratio right is key to achieving the perfect texture. The general rule of thumb is 1 cup of rice to 2 cups of water. However, this can vary depending on the type of rice you are cooking. For example, long-grain rice requires a little more water than short-grain rice.
The importance of using the correct water ratio cannot be overstated. Too little water will result in undercooked rice that is hard and chewy. Too much water will result in overcooked rice that is mushy and sticky.