Is orange high in oxalate?

Moderately. Moderate, 13 mg per 1 medium orange

Range 2.4 to 23 mg across 2 studies, 131 g serving

0 mg50 mg = a day60 mg+

Orange has a moderate amount of oxalate: about 13 mg per 1 medium orange, which is 26% 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 131 g serving (1 medium orange). 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
2.4 mg	1.8 mg	Raw (n=1)	Hönow R., Hesse A, 2002via Foods 2023;12:3201, Table 5 (CC BY 4.0)
23 mg	17.79 mg	Raw	Harvard T.H, 2023

By Oliver Silen · Data checked November 2, 2026 · Not medical advice

Other fruits, lowest first

A Passion fruit <1 mg per 1 fruit A Watermelon <1 mg per 1 cup diced A Dried cranberries <1 mg per 1/4 cup A Plum <1 mg per 1 plum A Apricot 1.3 mg per 1 apricot A Mango 1.5 mg per 1 cup sliced

All fruits on one chart