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Uncooked to Cooked Rice Calculator

Convert uncooked rice to cooked yield (or reverse) for white long-grain, basmati, jasmine, brown, and wild rice — with the water you need and servings per person. 100% free, runs in your browser.

Rice yield calculator

Rice yield & water ratio chart

Standard expansion factors and water ratios for common rice varieties, cooked stovetop. Yield ratios spot-checked against culinary references (Chef's Resource, OnlyCalculators, Handy Chefdom).

Rice varietyDry → cooked ratioWater per cup dryCook time
White long-grain1 : 32 cups18–20 min
Basmati1 : 31¾ cups15–18 min
Jasmine1 : 2.751¾ cups15–18 min
Brown1 : 2.52½ cups40–50 min
Wild1 : 3.53 cups45–55 min

Worked examples

Every number below was recomputed with the calculator engine — no hand-typed figures.

Example 1 — 1 cup uncooked white long-grain rice

Yield 3.0× → 3 cups cooked rice (≈540 g). Water needed: 2 cups. Serves 6 as a side (½ cup each) or 3 as a main (1 cup each). Stovetop: 18–20 min.

Example 2 — 200 g uncooked brown rice

200 g ÷ 200 g/cup = 1 cup uncooked. Yield 2.5× → 2.5 cups cooked (≈500 g). Water needed: 2.5 cups. Serves 5 as a side or 2.5 as a main. Stovetop: 40–50 min.

Example 3 — reverse: recipe needs 6 cups cooked jasmine rice

6 ÷ 2.75 = 2.18 cups uncooked jasmine (≈403.64 g). Water needed: 2.18 × 1.75 = 3.82 cups. Yields 12 side servings or 6 main servings. Stovetop: 15–18 min.

Example 4 — 2 cups uncooked wild rice

Yield 3.5× → 7 cups cooked rice (≈1,120 g). Water needed: 6 cups. Serves 14 as a side or 7 as a main. Stovetop: 45–55 min.

Rice yield FAQs

How much cooked rice does 1 cup of uncooked rice make?
It depends on the variety: 1 cup of uncooked white long-grain or basmati rice makes about 3 cups cooked; jasmine makes about 2.75 cups; brown rice makes about 2.5 cups; wild rice makes about 3.5 cups. These are the standard volume expansion factors used by this calculator.
How do I convert cooked rice back to uncooked?
Divide the cooked amount by the expansion factor for that variety. For example, if a recipe calls for 6 cups of cooked white rice, you need 6 ÷ 3 = 2 cups of uncooked rice. Use the reverse mode above to do this automatically for any variety.
How much water do I need per cup of rice?
Per cup of uncooked rice: white long-grain needs 2 cups of water, basmati and jasmine need 1¾ cups, brown rice needs 2½ cups, and wild rice needs 3 cups. These are stovetop absorption-method ratios; rice cooker settings may vary slightly.
How much rice should I cook per person?
Plan on ½ cup of cooked rice per person as a side dish, or 1 cup cooked per person when rice is the main part of the meal. That means 1 cup of uncooked white rice (3 cups cooked) serves 2–3 people as a main or 4–6 as a side.
Why does brown rice yield less cooked rice than white rice?
Brown rice keeps its bran layer, which acts as a physical barrier that slows water absorption. It needs more cooking time (40–50 minutes) and more water, yet still expands less — about 2.5× versus 3× for white rice.
How much does 1 cup of uncooked rice weigh in grams?
Approximately: white long-grain 180 g, basmati 180 g, jasmine 185 g, brown 200 g, and wild rice 160 g per US cup. This calculator uses these values when you enter grams or ounces.
Does rinsing rice change the cooked yield?
No — rinsing removes surface starch so the grains stay separate and fluffy, but it does not meaningfully change the final cooked volume. Rinse until the water runs clear for the most accurate, fluffy result.
Which rice expands the most when cooked?
Wild rice expands the most of the five varieties here — about 3.5× its dry volume (1 cup uncooked yields roughly 3.5 cups cooked). White long-grain and basmati are next at 3×, then jasmine at 2.75× and brown rice at 2.5×.

Methodology

Cooked yield = uncooked volume × expansion factor; water = uncooked cups × water ratio; servings = cooked cups ÷ serving size (½ cup side, 1 cup main). Expansion factors were spot-checked against culinary references (Chef's Resource, OnlyCalculators, Handy Chefdom) before the calculation table was frozen. Actual results vary slightly with pot seal, heat level, and altitude. Cooked-weight figures are approximate (weight gain tracks volume expansion as water is absorbed).

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