How Much Oxalate Is in Potatoes (Hash Browns)?
mg oxalate
per serving
Serving: 1/2 cup (78 g)
Verdict: 🟢 Safe
Per 100g: 26 mg
Data: Harvard T.H. Chan SPH (2024)
Here's the takeaway: Potatoes (Hash Browns) earns a Safe rating (🟢) at 20 mg oxalate per serving. Being under 25 mg means it fits comfortably in everyday eating. Keep your usual habits — adequate fluids and calcium in meals — and Potatoes (Hash Browns) poses no special concern.
Putting Potatoes (Hash Browns) in context: it lands below the category average of 27 mg. In the database, 80% of vegetables (219 of 271) fall in the 🟢 Safe group (under 25 mg oxalate/serving). The typical vegetables here averages 27 mg oxalate per serving, so Potatoes (Hash Browns) runs 26% below that baseline. That places it near the middle of the pack in its category. Why this matters: the gap between two Safe foods can be wide — one may hold 5 mg oxalate while another sits at 24 mg. The lower one leaves more room in your day. See all vegetables rated Safe for a full side-by-side.
Why does oxalate per 100g matter?
Normalizing to 100 grams removes serving-size differences, so you can judge which food is genuinely denser in oxalate. It matters most when you eat a bigger or smaller portion than the listed serving. Applied to Potatoes (Hash Browns): 20 mg oxalate per 1/2 cup — Safe per Harvard (2024).
How accurate is the oxalate measurement?
The measurements use ion chromatography, the accepted reference method for oxalate. That means real lab values for each food rather than inferred numbers. Some natural variation exists between samples, but this is the strongest published data set. Potatoes (Hash Browns) comes in at 20 mg oxalate per 1/2 cup (Safe) in the measured database.
How does this compare to other foods?
Anything under 25 mg per serving is Safe; 25-99 mg is Caution; 100 mg or more is Avoid. The category pages on OxalateWatch list foods side by side, so you can see where this one ranks. Potatoes (Hash Browns) comes in at 20 mg oxalate per 1/2 cup (Safe) in the measured database.