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Rice to Water Ratio Calculator — How Much Water for Rice? | Calcgator
🍚 Kitchen · Rice Guide

Rice to Water Ratio Calculator

Get the exact water amount for any rice — stovetop, rice cooker or Instant Pot. Covers white, jasmine, basmati, brown, sona masoori and 10 more types. Includes rinsed/unrinsed toggle, altitude adjustment, and a built-in cooking timer.

✓ 12+ rice types ✓ 3 cooking methods ✓ Rinsed vs unrinsed ✓ Altitude adjust ✓ Built-in timer 📱 Mobile-ready
Quick answer
5.25 cups water
for 3 cups of white rice on the stovetop (ratio 1 : 1.75) · That's 1,243 ml
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Rice to Water Ratio Calculator
Select rice type · cooking method · enter amount → instant result
Rice type
Cooking method
Rinsed?
🥄 Cups of dry rice
cups
💧 Water needed
cups
Quick amounts
Water needed
5.25 cups
In millilitres
1,243 ml
1 : 1.75
Ratio (rice:water)
18 min
Cook time
6 cups
Cooked yield
💡
3 cups of white rice (stovetop, rinsed) needs 5.25 cups / 1,243ml of water. Bring to boil, reduce to lowest heat, cover and cook 18 min. Rest 5 min before fluffing.
⏱️ Cooking Timer (white rice · 18 min)
Auto-set for your rice type
18:00
Cooking steps

Why the rice to water ratio matters so much

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Every rice type is different

Jasmine rice (1:1.5) absorbs much less water than brown rice (1:2.5). The difference comes from starch content and bran layers. Rinsed rice already carries surface moisture, so needs slightly less water. Using a generic "2 cups water per cup of rice" rule works for white rice but will make jasmine gummy and undercook brown rice.

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Cooking method changes everything

A rice cooker traps more steam than a stovetop pot, so needs about 15% less water. An Instant Pot operates under pressure — water doesn't evaporate at all, so you need 20–25% less than stovetop. Never use the same ratio across methods: stovetop basmati (1:1.5) becomes soggy in a rice cooker at that same ratio.

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Altitude affects water absorption

At altitudes above 500m (1,600ft), water boils at a lower temperature and evaporates faster. Rice needs more water and longer cooking times at high altitude. Add 1–2 tablespoons extra water per cup of rice and increase cooking time by 5 minutes. This is why Denver and Mexico City residents often struggle with standard rice ratios.

Complete rice to water ratio reference table

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How much water for 3 cups of rice?

White rice (stovetop): 5.25 cups / 1,243ml
Jasmine rice: 4.5 cups
Basmati: 4.5 cups
Brown rice: 7.5 cups
Rice cooker (white): 4.5 cups
Instant Pot (white): 3.75 cups
Use the calculator above for your exact rice type, cooking method and rinsing preference.

Rice TypeRatio (rice:water)1 cup → water2 cups → water3 cups → waterCook timeYield (cooked)
🌾 White long-grain (stovetop)1 : 1.751.75 cups3.5 cups5.25 cups18 min3× dry volume
🌾 White long-grain (rice cooker)1 : 1.51.5 cups3.0 cups4.5 cups25–30 min3× dry volume
🌾 White long-grain (Instant Pot)1 : 1.251.25 cups2.5 cups3.75 cups3 min HP3× dry volume
🌸 Jasmine rice (stovetop)1 : 1.51.5 cups3.0 cups4.5 cups18 min3× dry
🌸 Jasmine rice (rice cooker)1 : 1.251.25 cups2.5 cups3.75 cupsAuto3× dry
🍛 Basmati rice (stovetop)1 : 1.51.5 cups3.0 cups4.5 cups15 min3× dry
🌾 Sona Masoori (stovetop)1 : 2.02.0 cups4.0 cups6.0 cups20 min3× dry
🟤 Brown rice (stovetop)1 : 2.52.5 cups5.0 cups7.5 cups40–45 min3.5× dry
🟤 Brown rice (rice cooker)1 : 2.02.0 cups4.0 cups6.0 cupsAuto3.5× dry
🍱 Sushi rice (stovetop)1 : 1.251.25 cups2.5 cups3.75 cups15 min2.5× dry
🌿 Wild rice (stovetop)1 : 3.03.0 cups6.0 cups9.0 cups45–50 min3.5× dry
🍚 Arborio (risotto)1 : 3.03.0 cups6.0 cups9.0 cups20–25 min3× dry

Values for rinsed rice at sea level. Rinsed rice needs ~5–8% less water than unrinsed. High altitude: add 10–15% more water.

Always rest your rice — never skip this step

After cooking, remove from heat and let rice rest covered for 5–10 minutes. This redistributes steam, finishes cooking any slightly underdone grains at the edges, and makes fluffing easier. Removing the lid immediately lets steam escape and the top layer dries out before the bottom is ready.

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Should I rinse rice before cooking?

Yes, for most rice types. Rinsing removes excess surface starch that makes rice gummy and sticky. For jasmine and basmati rice, rinse until water runs clear — 2–3 washes. Skip rinsing for sushi rice (you want the starch for binding) and risotto arborio. Rinsed rice needs about 2 tablespoons less water per cup.

FAQ

Rice water ratio — answered.

Every question about rice to water ratios, cooking methods and rice types — clearly answered.

For 3 cups of white long-grain rice on the stovetop: 5.25 cups (1,243 ml) of water. Rice cooker: 4.5 cups. Instant Pot: 3.75 cups. Jasmine rice: 4.5 cups stovetop. Basmati: 4.5 cups stovetop. Brown rice: 7.5 cups stovetop. Use the calculator at the top of this page for any rice type, method and rinsing preference.
The standard rice to water ratio depends on the rice type and cooking method. White rice stovetop: 1 : 1.75. Rice cooker: 1 : 1.5. Instant Pot: 1 : 1.25. Jasmine rice: 1 : 1.5 (stovetop). Basmati: 1 : 1.5. Brown rice: 1 : 2.5. The calculator at the top covers all types automatically.
Jasmine rice water ratio is 1 : 1.5 on the stovetop. Rice cooker: 1 : 1.25. Instant Pot: 1 : 1. For 2 cups jasmine rice: 3 cups water (stovetop). For 3 cups: 4.5 cups. See also: Jasmine Rice Water Ratio Calculator.
Yes — rice cookers trap steam efficiently and need about 15% less water than stovetop. Ratios: White rice 1 : 1.5, Jasmine 1 : 1.25, Basmati 1 : 1.25, Brown rice 1 : 2.0, Sushi rice 1 : 1.0. Many rice cookers include their own measuring cup (~180ml, smaller than a standard US cup of 240ml).
In the Instant Pot, water doesn't evaporate. White rice: 1 : 1.25 (3 min high pressure + 10 min natural release). Jasmine rice: 1 : 1.0. Brown rice: 1 : 1.25 (22 min high pressure). Basmati: 1 : 1.0 (4 min). Always do a 10-minute natural pressure release before opening.
For 2 cups of white rice (stovetop): 3.5 cups water. Rice cooker: 3 cups. Instant Pot: 2.5 cups. 2 cups jasmine stovetop: 3 cups. 2 cups basmati: 3 cups. 2 cups brown rice: 5 cups. 2 cups sona masoori: 4 cups.
Yes. Rinsed rice needs about 5–8% less water (roughly 1–2 tablespoons less per cup). It also cooks more evenly, has a cleaner flavour, and produces less foam. Toggle "Yes, rinsed" in the calculator above for the adjusted amount.