How many calories are in macadamia nuts?

One ounce of macadamia nuts (10-12 nuts) has 204 calories. Per 100g, macadamia nuts are 718 calories, among the highest-calorie nuts. They're extremely calorie-dense, so portion control is essential.

Are macadamia nuts good for weight loss?

Macadamia nuts are very calorie-dense (718 cal/100g) but can support weight loss in tiny portions. Their high fat content (75.8g) provides exceptional satiety. Limit to 5-6 nuts (about 100 cal) as a snack for weight management.

What nutrients are in macadamia nuts?

Macadamia nuts provide 7.9g protein, 75.8g fat (mostly monounsaturated), and 8.6g fiber per 100g. They contain potassium (368mg), calcium (85mg), and iron (3.7mg). Lower in protein than most nuts but highest in monounsaturated fat.

Are macadamia nuts keto-friendly?

Macadamia nuts are the most keto-friendly nut. Per ounce: only 1.5g net carbs with 21g fat. Per 100g: 5.4g net carbs (14g carbs - 8.6g fiber). Their exceptionally high fat and low carb ratio makes them ideal for ketogenic diets.

How many macadamia nuts should I eat per day?

A reasonable daily portion is 1oz (10-12 nuts, 204 calories). For heart benefits, studies used about 1.5oz daily. More than 2oz adds significant calories (400+). They're expensive, which naturally limits intake.

Why are macadamia nuts so expensive?

Macadamia nuts are expensive because: trees take 7-10 years to produce, the shell is extremely hard to crack (requires specialized equipment), growing conditions are limited (Hawaii, Australia), and yield per tree is low.

Macadamia vs almonds: which is healthier?

Different strengths. Almonds: more protein (21g vs 7.9g), more fiber (12.5g vs 8.6g), fewer calories (579 vs 718/100g). Macadamia: more monounsaturated fat, fewer carbs (better for keto). Almonds are the better all-around choice; macadamia for keto.

Are macadamia nuts heart-healthy?

Yes, macadamia nuts support heart health. They're highest among nuts in heart-healthy monounsaturated fats (59g/100g). Studies show they can lower LDL cholesterol and reduce heart disease risk factors.

Can dogs eat macadamia nuts?

No, macadamia nuts are toxic to dogs. Even small amounts can cause weakness, vomiting, tremors, and hyperthermia. Symptoms appear within 12 hours. Keep macadamia nuts away from pets and seek vet care if ingested.

How should I store macadamia nuts?

Store macadamia nuts in the refrigerator (up to 6 months) or freezer (up to 1 year). Their high oil content makes them go rancid quickly at room temperature. Keep in airtight containers. Smell before eating, rancid nuts taste bitter.

All Foods

Calories in Macadamia Nuts

USDA Verified · FDC 170178 · Jan 2026

204 calories

per 1 oz (10-12 nuts) (28g)

7.9g

Protein

14g

Carbs

75.8g

Fat

8.6g

Fiber

Per 100g raw

Serving Sizes & Calories

Serving Size	Weight	Calories
1 oz (10-12 nuts)Standard	28g	204 cal
1/2 cup macadamia nuts	67g	487 cal
100g	100g	718 cal
1 cup macadamia nuts	134g	962 cal

718 calories per 100g raw

Complete Nutrition Facts

Per 100g raw

718 calories

Protein7.9g

Carbohydrates14g

Fat75.8g

Fiber8.6g

Sodium5mg

Potassium368mg

Calcium85mg

Iron3.7mg

How Macadamia Nuts Compares

Macadamia Nuts next to similar foods, all values per 100g:

Food	Calories	Protein	Carbs	Fat	Fiber
Macadamia Nuts	718	7.9g	14g	75.8g	8.6g
Almonds	579	21.4g	21.8g	50.7g	12.5g
Peanut Butter	598	22.2g	22.3g	51.4g	5g
Walnuts	654	15.4g	13.9g	66.1g	6.8g
Cashew	553	18.6g	30.7g	44.3g	3.2g