How Much Oxalate Is in Pear?

A standard serving of Pear (1 medium, about 178g) contains 1 mg of oxalate. That works out to roughly 0.6 mg per 100 grams. These numbers are direct lab measurements from Harvard T.H. Chan School of Public Health (2024), via the OHF database. For context, the safe threshold for kidney stone patients is 25 mg per serving. Based on its 1 mg, Pear falls in the Safe category.
✓ Lab-Verified Data Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.
1
mg oxalate
per serving
Food: Pear, raw
Serving: 1 medium (178 g)
Verdict: 🟢 Safe
Per 100g: 0.6 mg
Data: Harvard T.H. Chan SPH (2024)
🔄 Lower-Oxalate Alternatives
🟢 Lychee or Litchee
0 mg / serving
🟢 Jams Jellies
0 mg / serving
🟢 Lemon Extract Herbs and Spices
0 mg / serving
🟢 Orange Extract Herbs and Spices
0 mg / serving
💡 What This Means for Your Diet

Here's the takeaway: Pear earns a Safe rating (🟢) at 1 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 Pear poses no special concern.

📊 Pear vs. Other Fruits

Putting Pear in context: it lands well below the category average of 21 mg. In the database, 89% of fruits (101 of 113) fall in the 🟢 Safe group (under 25 mg oxalate/serving). The typical fruits here averages 21 mg oxalate per serving, so Pear runs 96% below that baseline. That places it among the lower-oxalate options 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 fruits rated Safe for a full side-by-side.

❓ Related Questions

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. For context, Pear measures 1 mg per 1 medium, rated Safe.

How accurate is the oxalate measurement?

These values come from Harvard's 2024 ion-chromatography analysis — the gold-standard method for oxalate. Real measured data rather than estimates. Sample-to-sample variation exists, but no published source is more dependable for food oxalate. For Pear, the measured oxalate value is 1 mg per 1 medium (Safe).

How does this compare to other foods?

The ratings split at 25 mg (Safe) and 100 mg (Avoid), with 25-99 mg in the Caution band. For context against similar foods, the category pages on OxalateWatch rank every item in that group by oxalate. For Pear, the measured oxalate value is 1 mg per 1 medium (Safe).

This is dietary reference information, NOT medical advice. Talk to your doctor or a registered dietitian before changing your diet. Oxalate tolerance varies by person, stone type, and medication.