One US cup of dry white rice wants about 2 cups of water on the stove, or about 1 cup in a rice cooker — one of the cooker's own small cups, poured to the matching line in the bowl. Rinsed rice sits at the low end of each range; unrinsed rice sits at the top. Jasmine tracks white. Basmati wants less: about 3/4 cup per cooker cup. Brown wants more: about 2 to 2 1/2 cups. Measure rice and water with the same cup, and the number stops fighting you.

How Much Water for Rice? The Ratio Table for Stove, Cooker, and Every Grain

Why one pot of rice gets three different water answers

Ask "how much water for rice" out loud and you will collect 1:1, 1:2, and a finger test within a few minutes of searching. None of them is lying. A rice cooker traps steam and hands the extra moisture back to the rice, so it needs the least water. A stove leaks steam over fifteen minutes, so it needs the most. And "a cup of water" quietly changes meaning depending on whether the rice was rinsed — wet grains carry their own film of water into the pot. The number is a budget, not a constant. The rice spends it on two things only: getting soft, and keeping its grains apart.

The ratio table: water per cup of rice

The stovetop range exists on purpose. The low end is for rice you rinsed and drained well; the high end is for rice poured straight from the bag. One cup in the cooker column means one of the small plastic cups that shipped with the machine — not a US measuring cup — and the water goes to the line that matches the number of cups you poured. The ratio only works when both sides of the equation use the same cup.

Two varieties need a note. Brown rice keeps its bran, absorbs water more slowly, and wants the top of the range plus a longer cook — about twice the clock of white. Short-grain and sushi rice want less than white; the cooker's own sushi line is the safer guide than any number, because short grains clump into glue when given a white-rice water budget.

The cold-water method: the finger test

Rinse the rice until the water runs mostly clear — two or three rinses, and more is overkill. Drain it well, drop it in the pot, and add cold water until your index finger touches the surface of the rice and the water reaches the first crease. That line lands near 1 1/2 to 1 3/4 cups of water per cup of rice. Bring it to a boil, stir once to break up clumps, cover, and drop the heat to a low simmer. Leave the lid alone for 15 to 18 minutes. When the water is gone, fluff with a fork. The pot has no timer; the water is the timer.

The boiling-water method: the one most guides skip

A second stove school starts with the water, not the rice. Bring 2 cups of water to a rolling boil in a three-quart saucepan, add half a teaspoon of salt, then stir in 1 cup of long-grain white rice. Cover, drop the heat until it just simmers, and keep the lid on for about 17 minutes. Let it rest a few minutes with the lid on, fluff, and give it one more minute uncovered to let the steam out. This version assumes the rice did not get rinsed, and most US bags support that: they print "pre-washed" and tell you to skip the rinse. When the bag speaks, the bag wins.

The rice cooker reads the bowl, not a number

Two rules cover nearly every machine. First, match the cups to the lines: pour four cooker cups of rice, add water to the fourth line. Second, do not stir — the machine was built to handle that. White and jasmine track 1:1 in cooker cups. Basmati is the exception and drinks less, about 3/4 cup of water per cooker cup in many machines, so start there and adjust the next batch. Small pots behave differently too: a single cup of rice absorbs water at a slower pace, so it often wants a touch less water than the ratio suggests. When the cooker beeps, leave it alone for at least 10 minutes before fluffing — the last of the steam is still doing the cooking.

Rinsed or not, the ratio shifts

Watch four cooks cook the same rice and you will see four rinsing routines: skip it entirely, swish twice, rinse until clear. They are not being careless. Rinsed rice arrives at the pot already wet, so it needs less added water. Unrinsed rice drinks more because it arrives dry and dusted in starch. Pre-washed bagged rice sits between the two. The one-line rule: rinsed, use the low end; unrinsed, use the top; washed-and-bagged, split the difference. This single rule resolves more sticky pots than any ratio table — and it is why the same bag of rice cooks well at 1:1 in one kitchen and 2:1 in the next.

How much water for 2, 4, or 6 cups of rice

The pattern is simpler than the table. Stovetop water is roughly double the rice. Cooker water matches the rice cup for cup, in the cooker's own cups. Servings come from the dry rice at half a cup per main-course adult. Once those three rules are in your head, any batch size is mental arithmetic instead of a lookup.

Frequently asked questions

Which number is right, 1:1 or 1:2? Both, on different tools. Match the ratio to the tool — cooker 1:1, stove about double — and never borrow a number between them. A stovetop ratio poured into a cooker bowl over-waters it.

Does rinsing really change the water? Yes, and by a visible margin. Rinsed and drained rice needs the low end of the range; unrinsed rice needs the top. The film of water on wet grains is real water.

Why does basmati want less water than white? Its grains are long and slender with less surface starch, so they absorb less than round short grains. In a cooker that works out to about 3/4 cup of water per cooker cup.

How do I know when to stop adding water? When the lid comes off and the water is gone, the rice is done. Leftover liquid pooling at the bottom means too much water; cut a quarter cup next time. Hard, crunchy centers mean too little; add a splash, cover, and give it five quiet minutes.

The bag, then the bowl, then the pot

Before any table on this page, read the bag. Most US rice bags print their own ratio and rinsing instruction, and pre-washed rice expects the low end. Read the bowl next — the cooker's lines are the ratio your machine was built around, printed in plastic on the day it shipped. Read the pot last, and treat it as the only judge that matters: water gone and grains soft is success, and every failure tells you which direction to nudge next time. The ratio gets you into the room; the pot is where you actually learn to cook rice.