Pantry Staples
Brown Rice (Uncooked) Conversion
Brown Rice (Uncooked) weighs 190g per US cup.
| Amount | Grams | Ounces |
|---|---|---|
| 1 cup | 190.0 g | 6.70 oz |
| 1/2 cup | 95.0 g | 3.35 oz |
| 1/4 cup | 47.5 g | 1.68 oz |
| 1 tbsp | 11.9 g | 0.42 oz |
| 1 tsp | 4.0 g | 0.14 oz |
| 100 g | 100.0 g | 3.53 oz |
Need a different amount? Use the full Ingredient Converter tool.
Uncooked brown rice weighs 190 grams per cup, just slightly heavier than white rice's 185g, reflecting the fact that brown rice retains its bran layer and germ — the same parts of the grain that milling strips away to produce white rice, similar in principle to how whole wheat flour differs from all-purpose flour.
That retained bran is exactly what gives brown rice its nuttier flavor, chewier texture, and higher fiber content compared to white rice, but it also comes with a real trade-off — brown rice takes considerably longer to cook (typically 40-45 minutes versus white rice's 15-20) since water has to penetrate that intact bran layer to reach and soften the starchy interior.
The bran's natural oils are also exactly why brown rice has a meaningfully shorter pantry shelf life than white rice's remarkable 4-5 years — those oils can turn rancid over time at room temperature, which is why this site's storage guidance recommends refrigerated or frozen storage for brown rice far more strongly than it does for white rice, matching the same reasoning that applies to whole wheat flour.
Brown rice's bran layer (removed in white rice's milling process) is exactly why it takes longer to cook and absorbs water more slowly — its uncooked cup weight (190g) is close to white rice's, but that bran layer means brown rice needs more liquid and a longer simmer to reach the same tenderness.
That same bran layer is also why brown rice has a noticeably shorter pantry shelf life than white rice — the oils in the bran can turn rancid over time, which is part of why this site's storage guidance for brown rice recommends a shorter window than for milled white rice.
How long does it last?
Storage & shelf life →
Frequently asked questions
Why does brown rice take so much longer to cook than white rice?
Brown rice retains its bran layer, which water has to penetrate before it can soften the starchy interior — white rice has had that bran milled away, letting water reach the interior far more quickly, which is the main reason for the roughly 20-25 minute difference in cook time.
Why does brown rice go rancid faster than white rice in the pantry?
Its intact bran and germ layer contains natural oils that oxidize over time, similar to the reasoning behind whole wheat flour's shorter shelf life compared to all-purpose flour — white rice's milling process removes those same oil-rich components, giving it far greater room-temperature stability.
Is brown rice nutritionally better than white rice?
It retains more fiber, vitamins, and minerals from the bran and germ that milling removes from white rice, which is the basis for brown rice's reputation as the more nutritious choice, though both are legitimate parts of a varied diet.
Can I substitute brown rice for white rice 1:1 in a recipe?
By dry volume yes, but you'll need roughly double the cook time and somewhat more liquid — brown rice isn't a drop-in swap for a recipe timed and portioned specifically around white rice's faster cook and lower liquid absorption.
Does brown rice need refrigeration in the pantry, or is a sealed container enough?
A sealed, airtight container in a cool pantry gets brown rice through its listed 3-6 month room-temperature window reasonably well, but refrigeration (6-12 months) or freezing (18 months) meaningfully extends its usable life beyond that, more so than the same choice matters for white rice.