How Much Does a Slice of Onion Bread Weigh?

A slice of onion bread weighs about 31 grams (1.1 oz).

That is the USDA average for one slice of onion bread, which has 74 calories and 2.7 g of protein. Sizes vary, so weigh yours if you track closely.

Onion Bread Calorie Calculator

AmountUnit

74cal

in 1 slice of onion bread (31 g)

Protein2.7 g15% of calories

Fat0.9 g11% of calories

Carbs14 g74% of calories

4% of a 2,000 calorie day

Add portions from any food page to build a meal total. It stays in this browser.

Measure	Grams	Ounces	Calories
1 slice of onion bread	31 g	1.1 oz	74
1 small slice of onion bread	24 g	0.8 oz	57
1 large slice of onion bread	43 g	1.5 oz	102

Common amounts of onion bread with calories and macros. Tap a row for its full nutrition page.

Serving	Weight	Calories	Protein	Fat	Carbs
1 small slice	24 g	57	2.1 g	0.7 g	11 g
1 oz	28 g	67	2.5 g	0.8 g	13 g
1 slice	31 g	74	2.7 g	0.9 g	14 g
1 large slice	43 g	102	3.8 g	1.3 g	19 g
2 small slices	48 g	114	4.2 g	1.4 g	21 g
50g	50 g	119	4.4 g	1.5 g	22 g
2 slices	62 g	148	5.5 g	1.8 g	27 g
2 large slices	86 g	205	7.6 g	2.5 g	38 g
100g	100 g	238	8.8 g	3 g	44 g
4 oz	113 g	270	10 g	3.3 g	50 g
200g	200 g	476	18 g	5.9 g	89 g

Calories per 100 g compared with other breads and baked goods.

Onion Bread238

About 31 g, or 1.1 oz.

A slice of onion bread has 74 calories.

Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2707633. Original description: Bread, onion. Portion weights are USDA household measures.