Why do sources disagree about how much a cup of jasmine rice weighs?

Published sources for jasmine rice do not all agree. USDA Branded (Jasmine Rice) publishes 0.5918 g/ml, which is rejected here: 140 g/cup is 22% below the lower American commercial cluster and 30% below the Asian-market cluster. Well outside milled tolerance in both directions. Inconsistent with any recognized jasmine rice product identity — likely a serving-convention error, a cooked-rice figure mislabeled as dry, or a distinct product (possibly instant or parboiled) mislabeled generically as jasmine.

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Jasmine rice

Q: How many grams are in 1 cup of jasmine rice?

One US cup of jasmine rice weighs between 180 and 208 grams, depending on how the cup is filled and which source measured it. Sources: USDA SR Legacy, Mahatma Jasmine Rice, Dynasty Jasmine Rice, A Taste of Thai Jasmine Rice, USDA Branded (Jasmine Rice), USDA Branded (White Jasmine Rice), King Arthur Baking Ingredient Weight Chart, Three Ladies Jasmine Rice, USDA Branded (Long Grain Jasmine White Rice), Thai Hom Mali Jasmine Rice (generic).

Also called thai jasmine rice, white jasmine rice, thai hom mali, hom mali, aromatic thai rice, fragrant thai rice, khao hom mali

Milled · 10% toleranceRange published

1 cup

180–208g6.3–7.3 oz

Sources disagree by 16%, more than the 10% tolerance, so the range is the answer.

Convert another amount

180–208 g6.3–7.3 oz

What each source weighs for 1 cup

11 sources · 16% apart

USDA · rejected140 g
Mahatma Jasmine Rice180 g
Dynasty Jasmine Rice180 g
A Taste of Thai Jasmine Rice180 g
USDA180 g
USDA185 g
USDA192 g
King Arthur198 g
Three Ladies Jasmine Rice200 g
USDA200 g
USDA200 g
Thai Hom Mali Jasmine Rice208 g

King Arthur Baking, 198 g: inside the range the sources span.

Jasmine rice in grams, by amount

1 cup180–208 g6.3–7.3 oz
¾ cup135–156 g4.8–5.5 oz
⅔ cup120–138.7 g4.2–4.9 oz
½ cup90–104 g3.2–3.7 oz
⅓ cup60–69.3 g2.1–2.4 oz
¼ cup45–52 g1.6–1.8 oz
1 tbsp11.2–13 g0.40–0.46 oz
1 tsp3.7–4.3 g0.13–0.15 oz

Weights for a US cup of 236.6 ml and spoons derived from it. Ounces are weight ounces of 28.35 g.

One US cup of jasmine rice weighs between 180 and 208 grams (6.3 to 7.3 ounces), depending on how the cup is filled and which source measured it. That range is the answer; a single number would not be. Every figure behind it is below, with the method each source used.

Most sites print one number for a cup of jasmine rice. This page prints 180 to 208 grams, because that is what USDA SR Legacy, Mahatma Jasmine Rice, Dynasty Jasmine Rice, A Taste of Thai Jasmine Rice, USDA Branded (Jasmine Rice), USDA Branded (White Jasmine Rice), King Arthur Baking Ingredient Weight Chart, Three Ladies Jasmine Rice, USDA Branded (Long Grain Jasmine White Rice) and Thai Hom Mali Jasmine Rice (generic) actually measured, and it names the method behind every figure rather than picking a favourite.

Two or more sources describe the same way of filling the cup and still disagree, by 15.6%. That is more than this site will average over, so all the figures stand and none is chosen. Two legitimate product-identity clusters exist across the jasmine rice market. American commercial brands (Mahatma, Dynasty, A Taste of Thai) and their USDA Global Branded Food Products Database counterparts converge at 180 g/cup — aged Thai jasmine milled and packaged for mainstream US retail. Asian-market and specialty imported brands (Three Ladies, generic Thai Hom Mali) with their USDA Branded records converge at 200-208 g/cup — fresher, less-aged product from direct Thai or Vietnamese hom mali production. The 15.6% spread exceeds milled 10% tolerance but reflects real differences in aging, moisture content, and milling standards between the two supply chains rather than measurement error. King Arthur Baking's chart figure of 198 for generic long-grain aligns with the Asian-market cluster; USDA Standard Reference for generic long-grain sits at 185 (between the clusters). There is no single defensible figure — the correct answer depends on which brand of jasmine rice is on the shelf.

Every published figure for a cup of jasmine rice, with how it was measured and who measured it. ExactCups publishes the range these cover rather than choosing one.
Filling the cup	1 cup	Source
Standard, dry uncooked, spooned and leveled	185 g6.5 oz	USDA SR Legacy
Standard, dry uncooked, spooned and leveled	180 g6.3 oz	Mahatma Jasmine Rice
Standard, dry uncooked, spooned and leveled	180 g6.3 oz	Dynasty Jasmine Rice
Standard, dry uncooked, spooned and leveled	180 g6.3 oz	A Taste of Thai Jasmine Rice
Standard, dry uncooked, spooned and leveled	180 g6.3 oz	USDA Branded (Jasmine Rice)
Standard, dry uncooked, spooned and leveled	192 g6.8 oz	USDA Branded (White Jasmine Rice)
Standard, dry uncooked, spooned and leveled	198 g7 oz	King Arthur Baking Ingredient Weight Chart
Standard, dry uncooked, spooned and leveled	200 g7.1 oz	Three Ladies Jasmine Rice
Standard, dry uncooked, spooned and leveled	200 g7.1 oz	USDA Branded (Long Grain Jasmine White Rice)
Standard, dry uncooked, spooned and leveled	200 g7.1 oz	USDA Branded (Jasmine Rice)
Standard, dry uncooked, spooned and leveled	208 g7.3 oz	Thai Hom Mali Jasmine Rice (generic)

Jasmine rice ounces to grams and cups

Weight ounces of jasmine rice. A fluid ounce is a volume, not a weight: 8 fluid ounces is 1 cup, which weighs 180–208 g of jasmine rice, not 226.8 g.
Weight	Grams	US cups
1 oz	28.3 g	0.14–0.16
4 oz	113.4 g	0.55–0.63
8 oz	226.8 g	1.09–1.26
16 oz (1 lb)	453.6 g	2.18–2.52

Why this page publishes a range

TL;DR: Jasmine rice spans a genuine 180-208 gram per cup range dry across major brands, with American commercial brands (Mahatma, Dynasty) at 180 and Asian-market imports (Three Ladies, Thai Hom Mali specialty) at 200-208; the 15.6% spread reflects real supply-chain differences in aging, moisture, and milling rather than measurement error, so check the label on the specific brand.

Jasmine rice is an aromatic long-grain variety originating in Thailand (khao hom mali), with 2-acetyl-1-pyrroline as its dominant aroma compound. It cooks fluffy and slightly sticky, with 12-19% amylose content — lower than basmati (20-25%), which produces the softer, moister grain that defines the style. Producer nutrition labels split into two distinct clusters that span a real 180 to 208 gram per cup range, exceeding the 10% tolerance normally applied to milled ingredients.

The lower cluster at 180 g/cup includes American commercial brands sold in mainstream US retail: Mahatma, Dynasty, and A Taste of Thai all publish 45 g per 1/4 cup dry, giving exactly 180 g/cup. USDA's Global Branded Food Products Database confirms 180 g/cup across multiple UPCs in this cluster. These brands source Thai jasmine but ship through a US commercial supply chain that typically ages the grain 6-12 months and mills for uniform mainstream distribution — the same supply chain that produces the 180 g/cup basmati cluster documented separately.

The upper cluster at 200-208 g/cup includes Asian-market and specialty imported brands: Three Ladies publishes 50 g per 1/4 cup (200 g/cup) and generic Thai Hom Mali labels run 52 g per 1/4 cup (208 g/cup). USDA Global Branded records confirm this cluster across multiple UPCs (688267060182, 085968001023, and 085968001559 all at 200 g/cup). These brands typically source directly from Thai or Vietnamese hom mali producers with less aging and different milling standards optimized for Asian retail rather than US mainstream.

USDA Standard Reference for generic raw long-grain white rice (FDC 169756) sits at 185 g/cup — 2.8% above the American cluster and 7.5% below the Asian-market cluster, effectively splitting the difference. King Arthur Baking's chart lists "Rice (long grain, dry)" at 198 g/cup, aligning with the Asian-market cluster. Neither figure is a correction target: 185 reflects a generic long-grain population that includes both jasmine styles and other varieties, and 198 reflects KA's choice to use a specification consistent with older or less-aged product.

Physically, the density gap has several contributors. Fresh, less-aged jasmine typical of Asian-market imports has higher moisture content (~13-14%) than aged American commercial jasmine (~11-12%), which contributes 2-3% of the density difference. Grain-length variation between cultivars also matters: shorter, thicker hom mali strains favored in Asian markets for texture pack denser than the slimmer, more heavily-selected grains used in American commercial supply. Milling degree affects surface polish and grain shape, further shifting how the rice packs when scooped.

For practical use, treat jasmine as 180 g/cup for American commercial brands (Mahatma, Dynasty, A Taste of Thai) and 200 g/cup for Asian-market brands (Three Ladies, Thai Hom Mali specialty). When precision matters, use the nutrition label on the specific package — that number is correct for that product. Cook jasmine at a 1:1.5 rice-to-water ratio (as producer instructions specify) with an optional rinse to remove surface starch. Cross-brand substitution by cup misses the mark by 10-15 g in either direction, which matters more for nutrition tracking than for cooking texture.

Sources

Standard, dry uncooked, spooned and leveled — no single figure published

Two legitimate product-identity clusters exist across the jasmine rice market. American commercial brands (Mahatma, Dynasty, A Taste of Thai) and their USDA Global Branded Food Products Database counterparts converge at 180 g/cup — aged Thai jasmine milled and packaged for mainstream US retail. Asian-market and specialty imported brands (Three Ladies, generic Thai Hom Mali) with their USDA Branded records converge at 200-208 g/cup — fresher, less-aged product from direct Thai or Vietnamese hom mali production. The 15.6% spread exceeds milled 10% tolerance but reflects real differences in aging, moisture content, and milling standards between the two supply chains rather than measurement error. King Arthur Baking's chart figure of 198 for generic long-grain aligns with the Asian-market cluster; USDA Standard Reference for generic long-grain sits at 185 (between the clusters). There is no single defensible figure — the correct answer depends on which brand of jasmine rice is on the shelf.

USDA SR Legacy185 g per cup6.5 ozRice, white, long-grain, regular, raw, unenriched: 1 cup = 185 g. Generic long-grain reference that sits between the two jasmine clusters (2.8% above the American commercial cluster, 7.5% below the Asian-market cluster). Jasmine is an aromatic long-grain subtype; USDA does not publish a jasmine-specific record.
Mahatma Jasmine Rice180 g per cup6.3 ozNutrition label: serving size 1/4 cup dry (45 g). Converts to 180 g/cup exactly. Thai-origin, aged and packaged for US commercial retail. Matches basmati and other American commercial rice at 180.
Dynasty Jasmine Rice180 g per cup6.3 ozNutrition label: serving size 1/4 cup dry (45 g). Converts to 180 g/cup exactly. Product of Thailand, distributed under an American commercial brand.
A Taste of Thai Jasmine Rice180 g per cup6.3 ozNutrition label: serving size 1/4 cup uncooked (45 g). Converts to 180 g/cup exactly. Confirms American commercial cluster.
USDA Branded (Jasmine Rice)180 g per cup6.3 ozUPC 072036764492 (dry). 190 g/metric cup → 180 g/US cup. Additional confirmation of the American commercial cluster.
USDA Branded (White Jasmine Rice)192 g per cup6.8 ozUPC 855772001010. 203 g/metric cup → 192 g/US cup. Sits between the two main clusters; possibly a hybrid supply-chain product.
King Arthur Baking Ingredient Weight Chart198 g per cup7 oz"Rice (long grain, dry)": 1/2 cup, 3 1/2 oz, 99 g → 198 g/cup. KA does not publish jasmine specifically; its generic long-grain figure at 198 aligns with the Asian-market cluster and is legitimate for that population. Not a correction: King Arthur's figure supports the published one for a subset of brands.
Three Ladies Jasmine Rice200 g per cup7.1 ozNutrition label: serving size 1/4 cup dry (50 g). Converts to 200 g/cup. Vietnamese-origin brand sold in Asian markets; anchor for the higher cluster.
USDA Branded (Long Grain Jasmine White Rice)200 g per cup7.1 ozUPC 688267060182. 211 g/metric cup → 200 g/US cup. Confirms Asian-market cluster in USDA Global Branded Food Products Database.
USDA Branded (Jasmine Rice)200 g per cup7.1 ozUPC 085968001023. 211 g/metric cup → 200 g/US cup. Additional Asian-market cluster confirmation.
Thai Hom Mali Jasmine Rice (generic)208 g per cup7.3 ozNutrition label: serving size 1/4 cup (52 g). Converts to 208 g/cup — upper end of Asian-market cluster.
USDA Branded (Jasmine Rice)140 g per cup4.9 ozUPC 070787454884. 148 g/metric cup → 140 g/US cup. 22% below the American commercial cluster and 30% below the Asian-market cluster.Rejected. 140 g/cup is 22% below the lower American commercial cluster and 30% below the Asian-market cluster. Well outside milled tolerance in both directions. Inconsistent with any recognized jasmine rice product identity — likely a serving-convention error, a cooked-rice figure mislabeled as dry, or a distinct product (possibly instant or parboiled) mislabeled generically as jasmine.

Corrections on this ingredient

The following published figures for jasmine rice are rejected here, with the physics or standards reasoning behind each rejection on its own page:

USDA Branded (Jasmine Rice): 140 g per cup

Confidence: lowLast checked 2026-09-23

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