Is brown rice high in oxalate?
C
Moderately. Moderate, 19 mg per 1 cup cooked
Range 19 to 19 mg across 1 study, 195 g serving
0 mg50 mg = a day60 mg+
Lower-oxalate swap: White rice, grade A, about 1.4 mg per 1/4 cup dry (about 3/4 cup cooked).
Brown rice has a moderate amount of oxalate: about 19 mg per 1 cup cooked, which is 38% of the 50 mg a day many stone clinics aim for.
Where this number comes from
Each row is one published measurement, converted to a 195 g serving (1 cup cooked). The grade and the range use the rows prepared the way the serving is eaten, and take the middle. How the grades work.
| Per serving | Per 100 g | Preparation | Source |
|---|---|---|---|
| 19 mg | 9.59 mg | Cooked | Harvard T.H, 2023 |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice