The cups of water per cup of rice will vary according to the rice type as explained below;
White rice. You need 2 cups of water to cook 1 cup of white rice. If you opt to cook white rice in a rice cooker, add 1 cup of water per cup of white rice.
Brown rice. 2 cups of water will be required to cook 1 cup of brown rice. In order to cook brown rice in a rice cooker, you will need 1 cup of water per cup of brown rice.
Jasmine rice. 1½ cups of water for 1 cup of jasmine rice. The quantity of water applies when cooking jasmine rice on a stove. 1 cup of water is needed to cook 1 cup of jasmine rice in a rice cooker.
Basmati rice. Cups of water per cup of basmati rice is 1½ cups of water to 1 cup of basmati rice. Cooking basmati rice in a rice cooker will require 1 cup of water to 1 cup of basmati rice.
Sushi rice. 1½ cups of water to cook 1 cup of sushi rice. Rice cooker water quantity per cup of sushi rice is 1 cup of water to 1 cup of sushi rice.
Red rice. 2 cups of water will be required to cook 1 cup of red rice on a stove. The water quantity per cup of red rice in a rice cooker will be 1 cup of water for every cup of red rice.
Bomba rice. You will require 2½ cups of water to cook 1 cup of bomba rice on a stove. The rice cooker water quantity will be 1½ cups of water per cup of bomba rice.
Arborio rice. To cook 1 cup of arborio rice, the water quantity will be 2 cups of water. You will lower the amount of water if you intend to use a rice cooker. That is to say, 1 cup of water per cup of aborio rice in a rice cooker.
Parboiled rice. It requires much water to cook on a stove. The water quantity will be 2¼ cups of water per cup of parboiled rice. If using a rice cooker you will need 1½ cups of water per cup of parboiled rice.
Calrose rice. It will require 1½ cups of water per cup of calrose rice to cook on a stove. Cooking 1 cup of calrose rice on a rice cooker will require 1 cup of water.
Sticky rice. The water quantity in cups is 1½ cups of water per cup of sticky rice. This works when cooking sticky rice on a stove. The measurement of water lowers when cooking sticky rice on a rice cooker. That is to say, 1 cup of water per cup of sticky rice in a rice cooker.
Wehani rice. It will require 2 cups of water to cook 1 cup of wehani rice. 1 cup of water will be required to cook 1 cup of wehani rice in a rice cooker.
Riceberry rice. This type of rice can be cooked using 1½ cups of water per rice cup. The water quantity per cup in a rice cooker is 1 cup of water to 1 cup of riceberry rice.
Black rice. Measure 2½ cups of water per cup of black rice if you are using a saucepan to cook on a stove. The amount of water to cook in a rice cooker will be 1¾ cups of water per cup of black rice.
California blonde rice. 1½ cups of water are needed to cook 1 cup of california blonde rice on a stove using a saucepan. A rice cooker will require 1 cup of water to cook 1 cup of california blonde rice.
Kokuho rose rice. You will add 1¼ cups of water to 1 cup of kokuho rose rice to cook in the saucepan. The rice cooker water quantity will be 5/4 cup of water per cup of kokuho rose rice.
Sinandomeng rice. You can use 1¼ cups of water to prepare 1 cup of sinandomeng rice in a saucepan on a stove. The water ratio for sinandomeng rice using a rice cooker will be 1 cup of water to 1 cup of sinandomeng rice.
Rice may require much or less water per cup during preparation. That is to say, the amount of water differs according to the rice type.