Did you know that one cup of uncooked rice weighs almost 30 grams more than one cup of cooked rice? That gap surprises a lot of home cooks, and it is exactly why recipes go wrong when people guess. If you are asking how many grams in a cup of rice, here is the short answer: one US cup of uncooked long-grain white rice weighs about 185 grams, while one cup of cooked white rice weighs about 158 grams.
Rice changes weight and volume as it cooks, and brown rice, basmati, and jasmine all behave a little differently. In this guide you’ll learn the exact gram weights for every common rice type, how to convert grams to cups rice in both directions, and a simple framework that makes rice math effortless.
Table of Contents
- [How Many Grams in a Cup of Rice? The Direct Answer](#how-many-grams-in-a-cup-of-rice-the-direct-answer)
- [Grams to Cups Rice: Why One Number Does Not Fit All](#grams-to-cups-rice-why-one-number-does-not-fit-all)
- [Rice Grams to Cups Conversion Chart](#rice-grams-to-cups-conversion-chart)
- [Cup of Rice in Grams: Real Cooking Scenarios](#cup-of-rice-in-grams-real-cooking-scenarios)
- [Pro Tips for Measuring Rice Like a Chef](#pro-tips-for-measuring-rice-like-a-chef)
- [FAQ](#faq)
- [References](#references)
How Many Grams in a Cup of Rice? The Direct Answer
Grams to cups rice refers to converting between a weight measurement (grams) and a volume measurement (US cups) for rice. Because rice is a dry good with air gaps between grains, the conversion depends on the rice type and whether it is cooked or raw.
Quick Answer: One US cup of uncooked long-grain white rice weighs about 185 grams. One US cup of cooked white rice weighs about 158 grams. Brown rice runs slightly heavier at roughly 190 grams per uncooked cup.
Cooked vs Uncooked: The Number That Matters Most
This distinction ruins the most dinners. When rice cooks, each grain absorbs water and swells to roughly three times its original volume. One cup of raw rice becomes about three cups of cooked rice, but the weight per cup drops because water is less dense than packed dry grains.
If your recipe says “1 cup of rice” without specifying, it almost always means uncooked. And honestly, most charts skip this part, which causes endless confusion.
White, Brown, Basmati, and Jasmine
Different rice varieties have different grain sizes and densities. Long-grain white runs 185 grams per uncooked cup, brown rice about 190 grams with its bran layer intact, basmati roughly 180 grams since its slender grains pack looser, and jasmine around 185 grams.
Q: Does cooked brown rice weigh the same as cooked white rice? A: Not exactly. One cup of cooked brown rice weighs about 195 grams, noticeably more than cooked white rice at 158 grams. Brown rice grains stay firmer and denser after cooking, so the same volume carries more weight.
Grams to Cups Rice: Why One Number Does Not Fit All
The Role of Grain Size and Density
Density is the hidden variable in every rice conversion. Short-grain sushi rice packs tightly with tiny air gaps, while long-grain basmati leaves more empty space between grains. Same cup, different weight.
According to the USDA FoodData Central database, one cup of cooked long-grain white rice weighs 158 grams as of 2026. That figure comes from standardized lab measurement, not a kitchen guess.
How You Fill the Cup Changes the Weight
Scoop from the bag and you pack grains tighter, adding 10 to 15 grams per cup. Spoon rice in gently and level it off for a lighter, more accurate cup. For everyday cooking, consistency beats precision, so pick one method and stick with it.
Q: Why do two websites give different gram weights for a cup of rice? A: They usually measure different things. One site may weigh uncooked rice while another weighs cooked, or one uses a US cup (236.588 ml) and another a metric cup (250 ml). All numbers in this guide use the US cup.
Rice Grams to Cups Conversion Chart
Quick Answer: To convert rice grams to cups, divide the grams by 185 for uncooked white rice. For example, 370 grams of uncooked white rice equals 2 US cups. For cooked rice, divide by 158 instead.
The Full Chart
| Rice type | 1/4 cup | 1/2 cup | 1 cup | 2 cups | 3 cups |
|---|---|---|---|---|---|
| Uncooked white (long-grain) | 46 g | 93 g | 185 g | 370 g | 555 g |
| Uncooked brown | 48 g | 95 g | 190 g | 380 g | 570 g |
| Uncooked basmati | 45 g | 90 g | 180 g | 360 g | 540 g |
| Cooked white | 40 g | 79 g | 158 g | 316 g | 474 g |
| Cooked brown | 49 g | 98 g | 195 g | 390 g | 585 g |
Convert in 4 Steps
- Note whether your rice is cooked or uncooked, and the variety.
- Pick the per-cup gram value from the chart.
- Divide grams by the per-cup value to get cups, or multiply to get grams.
- Round to the nearest quarter cup.
Our kitchen weight conversions hub covers flour, sugar, oats, and more.
Cup of Rice in Grams: Real Cooking Scenarios
Meal Prep Sunday
Five lunches with one cup of cooked rice each means 5 cups cooked, about 790 grams. Cook roughly 1 and 2/3 cups of uncooked rice (about 310 grams), since raw rice triples in volume.
A Recipe Calls for “200g Rice” With No Other Detail
Assume uncooked unless the recipe mentions cooked rice elsewhere. 200 grams of uncooked white rice is just over one cup (about 1.08 cups), close enough to one generous cup for any savory dish. The same approach works for breakfast grains in our grams to cups oats guide.
Pro Tips for Measuring Rice Like a Chef
The Triple-Cup Rice Rule
Here is the framework I use for all rice math: the Triple-Cup Rice Rule. One, raw rice triples in volume when cooked. Two, one raw cup weighs about 185 grams. Three, one cooked cup weighs about 158 grams. Memorize those three numbers and the chart becomes optional.
Pro Tip: When a recipe just says “rice” with a gram weight, check the cooking liquid. If the recipe adds 2 cups of water per cup of rice, the rice is raw. This one clue resolves most ambiguous recipes.
Scale vs Cups: When Each Wins
Use a scale for rice desserts, scaling recipes, or tracking nutrition. Use cups for fast weeknight cooking. Match the tool to the stakes.
For spoon-scale conversions, see our grams to tablespoons guide.
FAQ
How many grams in a cup of rice if it is already cooked?
One US cup of cooked long-grain white rice weighs about 158 grams, while cooked brown rice is denser at roughly 195 grams per cup. Confirm whether a recipe means cooked or uncooked before converting, since mixing them up is the most common rice measuring mistake.
How many grams in a cup of uncooked basmati rice?
One US cup of uncooked basmati rice weighs about 180 grams. Its long, slender grains pack slightly looser than standard long-grain rice. For two cups of uncooked basmati, weigh out 360 grams.
Is 185 grams of rice the same as 1 cup for all rice types?
No. 185 grams equals one cup only for uncooked long-grain white rice. Brown rice needs 190 grams, basmati about 180 grams, and cooked white rice fills a cup at just 158 grams. Variety and cooking state both change the conversion.
How do I convert 500 grams of rice to cups?
Divide by the per-cup weight for your rice type. For uncooked white rice, 500 divided by 185 gives about 2.7 cups. For cooked white rice, 500 divided by 158 gives about 3.2 cups. Round to the nearest quarter cup.
Why does my cup of rice weigh more than the chart says?
You are probably scooping directly from the bag, which packs grains tighter than the spoon-and-level method charts assume. Scooping can add 10 to 15 grams per cup. Spoon rice into the cup and level it off for matching results.
How many cups is 1 kg of uncooked rice?
One kilogram of uncooked long-grain white rice equals about 5.4 US cups, and brown rice about 5.3 cups. Handy when you buy bulk bags and want to know how many batches they will make.
Conclusion
The three numbers that matter: one cup of uncooked white rice weighs 185 grams, one cup of cooked white rice weighs 158 grams, and raw rice triples in volume when cooked. With the Triple-Cup Rice Rule, you can now convert any rice quantity without a chart.
Your next steps: weigh your rice once with your usual scooping method to see how it compares, bookmark this chart for quick lookups, and try our kitchen weight conversions hub for every other ingredient in your pantry.
Last updated: October 2026. For authoritative ingredient weights, see the King Arthur Baking ingredient weight chart.