Rice to water ratio calculator

Long grain white rice takes 2 cups of water per cup of rice. Brown rice takes 2¼. Choose your rice and how much you are cooking.

Free, no sign-up · Updated November 4, 2026

Water

—cups
Ratio
1 :
Cook
minutes
Makes about
cups

Ratios by rice

Stovetop, USA Rice Federation
RiceWater per 1 cup riceMinutes
White, long grain2 cups15–18
White, medium grain1 ½ cups15–18
White, short grain1 ¼ cups15–18
Jasmine, white2 cups15–18
Basmati, white2 cups15–18
Brown, medium or long grain2 ¼ cups40–45
Parboiled (converted)2 ¼ cups20–30
Parboiled, brown2 ¼ cups25

Use a pot with a tight lid. Bring the water to a boil, add the rice, cover, and keep the heat low until the time is up. If the package gives directions, follow them.

How it is calculated

  • Water = dry rice × ratio. Same unit for both: cups, or milliliters.
  • Cooked rice ≈ 3 × the dry amount.

Worked example

1½ cups of long grain white rice takes 3 cups of water, cooks 15 to 18 minutes and makes about 4½ cups.

Sources

Numbers checked November 4, 2026.

Questions

How much water for 1 cup of rice?

For long grain white rice, jasmine and basmati, 2 cups, per USA Rice. Medium grain 1½ cups, short grain 1¼, brown rice 2¼.

Why do the package directions differ?

Rice varies, and so do pots and lids. Package directions are tuned to that rice. USA Rice says to follow the package when it is there.

How long does rice take?

White rice about 15 to 18 minutes. Brown rice 40 to 45 minutes. Parboiled 20 to 30 minutes.

How much cooked rice does 1 cup make?

About 3 cups.

Is the ratio by weight or by volume?

By volume, as a cup of rice to cups of water. Use the same cup for both, or the same unit in milliliters.

Does this work for a rice cooker?

Use the markings and instructions that came with your cooker. This calculator is for the stovetop.