Sushi Roll Yield Calculator
Enter guests, rolls per person, and roll type to get exact amounts of sushi rice, uncooked rice, water, nori sheets, filling, and sushi-zu seasoning.
Sushi Roll Settings
Roll Type
Classic outside-nori roll, 8 pieces
12 Maki rolls for 4 guests
960 g cooked rice
96 pieces total • 3 rolls per person
Rice Temperature for Seasoning
Mix sushi-zu into rice while still hot, using a cutting/folding motion with a wooden spatula. Fan the rice simultaneously to cool it quickly. This evaporates excess moisture and gives the rice its signature glossy appearance. Never refrigerate sushi rice — it hardens and loses the ideal sticky texture.
Roll Type Reference
| Roll Type | Rice / Roll | Filling / Roll | Nori | Pieces |
|---|---|---|---|---|
| Maki | 80 g cooked | 50 g | 1 full sheet | 8 |
| Uramaki | 100 g cooked | 50 g | 0.5 sheet | 8 |
| Temaki | 60 g cooked | 70 g | 0.5 sheet | 1 |
| Hosomaki | 50 g cooked | 30 g | 0.5 sheet | 6 |
The Science of Perfect Sushi Rice
Sushi rice — called shari or su-meshi in Japanese — is the single most important element of any sushi roll. Even the finest fish cannot save poorly prepared rice, and experienced sushi chefs spend years mastering rice preparation alone. The ideal sushi rice has three qualities: the right stickiness to hold together under gentle pressure, a balanced sweet-sour-salty flavor from the sushi-zu seasoning, and a glossy appearance from properly incorporated vinegar.
Short-grain Japanese rice varieties, particularly Koshihikari (the premium Niigata Prefecture variety) and Calrose (the California-grown adaptation), contain a higher proportion of amylopectin — the branched form of starch that creates cohesion when cooked. Long-grain varieties like Basmati contain more amylose, a linear starch that produces fluffy, separate grains — precisely the opposite of what sushi requires.
Water Ratio for Sushi Rice
The standard sushi rice water ratio is 1:1.1 by volume — slightly less water than most white rice recipes call for. This is intentional. Because sushi rice receives a liquid seasoning (sushi-zu) after cooking, using a normal 1:1.2 or 1:1.5 ratio would produce rice that is too wet after the vinegar mixture is incorporated. The slightly firmer, drier rice absorbs the sushi-zu without becoming mushy.
The water ratio can also vary by rice brand and even by water quality. Hard water, which contains minerals, can produce firmer rice than soft water. If your rice is consistently too firm, increase the water by 2 tablespoons per cup. If it is too wet and sticky, reduce by 1-2 tablespoons.
Soaking: Why It Matters
Soaking sushi rice for 30 minutes before cooking is a step that many home cooks skip but professionals never omit. During soaking, water penetrates the outer bran layer of each grain and reaches the starchy endosperm. This produces a more even cook: the center and exterior of each grain reach tenderness simultaneously rather than the exterior overcooking while the center remains hard.
After soaking, drain the rice in a fine-mesh strainer and let it rest for 10-15 minutes before cooking. This allows surface moisture to evaporate slightly, preventing steaming issues in the pot. The rice should feel slightly opaque — not bone-dry and not waterlogged — before going into the cooker.
Making and Applying Sushi-zu
Sushi-zu (seasoned rice vinegar) is a simple mixture of rice vinegar, sugar, and salt. The standard proportion for 2 cups of uncooked rice is 60ml rice vinegar, 30g sugar, and 10g salt. Warm these gently in a small saucepan until the sugar and salt dissolve fully — typically 1-2 minutes at low heat. Do not boil, as boiling drives off the volatile acids that give the seasoning its bright flavor.
Apply the sushi-zu to hot, freshly cooked rice. Transfer the rice to a wide, shallow non-reactive bowl (a traditional wooden hangiri or any large salad bowl works well). Pour the sushi-zu over the rice and fold it in using a rice paddle or flat wooden spatula with a cutting and turning motion — never stirring, which breaks the grains. Simultaneously fan the rice with a piece of card or an electric fan to cool it quickly. This rapid cooling causes the seasoning to adhere to each grain as a glaze rather than being absorbed into a mush.
Roll Type Guide: Maki, Uramaki, Temaki, and Hosomaki
The four major sushi roll styles differ in construction, rice amount, and skill level required.
Maki (Outside-Nori Roll)
The classic maki roll has nori on the outside and rice on the inside, with one or two fillings centered in the middle. A standard maki roll uses one full sheet of nori (approximately 19cm x 21cm) and 80g of cooked sushi rice spread in a thin, even layer covering most of the nori. After rolling, it is sliced into 6-8 pieces. Maki is the easiest roll to make and the best starting point for beginners.
Uramaki (Inside-Out Roll)
The California Roll is the most famous uramaki. In inside-out construction, the rice faces outward and the nori wraps around the filling inside. Because the rice contacts the bamboo mat directly, spreading it evenly requires covering the mat with plastic wrap. Uramaki uses slightly more rice per roll (100g) and only half a nori sheet, but the technique is more demanding than standard maki.
Temaki (Hand Roll)
Temaki is the easiest roll to make without any equipment — no bamboo mat needed. A half sheet of nori is held in one hand, sushi rice is placed in the center, filling is laid diagonally, and the nori is rolled into a cone shape. Temaki contains less rice (60g) but more filling (70g) than maki, making it a generous, casual serving format. Because the nori softens quickly after assembly, temaki should be eaten immediately and is not suitable for make-ahead preparation.
Hosomaki (Thin Roll)
Hosomaki is the thinnest roll style — about 2.5cm in diameter — made with half a nori sheet and only 50g of rice and 30g of a single filling, typically cucumber, tuna, or pickled daikon. The minimalism of hosomaki demands precise technique: any unevenness in the rice layer or filling placement is immediately visible. These rolls are popular in Japan but less common in Western sushi restaurants.
Nori: Freshness and Toasting
Premium nori (roasted seaweed sheets) should be dark green-black, crisp, and snap cleanly when bent. Limp, soft, or brownish nori indicates moisture absorption from improper storage. Once opened, store nori in an airtight container away from humidity. To restore slightly limp nori, pass each sheet briefly over a gas flame or hold it 15cm above an electric burner for 3-5 seconds per side — it will crisp immediately.
Full sheets used for maki measure approximately 19cm x 21cm. Half sheets (for uramaki and temaki) can be cut with scissors before assembly. Most commercially available nori sheets are standardized to this size, but check if buying in bulk.
Filling Weights and Preparation
Filling amounts vary by roll type: maki and uramaki each use about 50g of filling, while the open temaki cone holds 70g and the slender hosomaki only 30g. These weights are per roll, not per piece. Common fillings include cucumber (julienned), avocado (sliced), cooked shrimp, crab stick, salmon, tuna, and pickled vegetables.
Always pat wet fillings (fish, avocado) dry with paper towels before rolling. Excess moisture makes the nori soggy and causes rolls to fall apart when sliced. When cutting finished rolls, use a very sharp knife and wipe the blade with a damp cloth between every 2-3 cuts to prevent rice from sticking and tearing the nori.
Sushi Rice Reference Table
| Dry Rice (cups) | Water (cups) | Cooked Yield (g) | Sushi-zu Vinegar (ml) | Rolls (Maki) |
|---|---|---|---|---|
| 1 cup | 1.1 cups | ~430 g | 30 ml | ~5 rolls |
| 2 cups | 2.2 cups | ~860 g | 60 ml | ~10 rolls |
| 3 cups | 3.3 cups | ~1290 g | 90 ml | ~16 rolls |
| 4 cups | 4.4 cups | ~1720 g | 120 ml | ~21 rolls |
| 5 cups | 5.5 cups | ~2150 g | 150 ml | ~26 rolls |
Frequently Asked Questions
The amount of cooked rice per roll varies by type: Maki uses 80g cooked rice, Uramaki (inside-out) uses 100g, Temaki hand rolls use 60g, and Hosomaki thin rolls use 50g. For 1 cup of dry sushi rice, expect about 430g of cooked rice, enough for roughly 5-6 standard Maki rolls.
Use a 1:1.1 ratio of dry sushi rice to water by volume. For 1 cup of dry sushi rice, use 1.1 cups of water. This is slightly less water than regular white rice because sushi rice is seasoned with sushi-zu after cooking, which adds additional moisture.
For every 2 cups of uncooked sushi rice, combine 60ml rice vinegar, 30g sugar, and 10g salt in a small saucepan. Warm gently over low heat until sugar and salt dissolve — do not boil. Fold into hot cooked rice using a cutting motion while fanning to cool quickly.
As a main course, plan for 2-3 rolls per person (16-24 pieces for Maki). As an appetizer or part of a spread, 1-2 rolls (8-16 pieces) is sufficient. Heavier rolls like Uramaki are more filling than thin Hosomaki, so adjust accordingly.
Japanese short-grain rice varieties like Koshihikari or Calrose are best for sushi because their starch composition creates the right stickiness when seasoned. Long-grain rice like Basmati or Jasmine does not have enough surface starch to hold together during rolling and will fall apart.
Sushi rice is best used within 2-4 hours of cooking. Never refrigerate sushi rice — cold temperatures cause the starch to retrograde, making the rice hard and crumbly. Store at room temperature, covered with a damp cloth, for up to 4 hours.
- Tsuji, S. (1980). Japanese Cooking: A Simple Art. Kodansha International.
- Nobu Matsuhisa. Nobu: The Cookbook. Clarkson Potter.
- USDA FoodData Central — short-grain white rice nutritional data
- Japan Rice Council — variety guide for sushi rice production