The calorie count for pasta depends heavily on whether you measure it dry or cooked. A standard 2-ounce serving of dry pasta.

Calories in Pad Thai vary widely, but a standard serving contains about 429 calories, with restaurant portions reaching 600–800 or more.

An 8-ounce glass of 100% orange juice typically contains about 110 to 112 calories, with 21 grams of natural sugar and no fiber.

A single seedless red grape contains approximately 3 calories, making it one of the lowest-calorie fruits per piece.

A single tablespoon of olive oil provides about 119 calories, all of which come from pure fat.

Dry rolled oats contain roughly 389 calories per 100 grams, while cooked oatmeal has about 68 calories per 100 grams due to water absorption.

A standard ½-cup serving of dry rolled oats has about 150 calories, while a cup of cooked oatmeal (made with water) comes in around 165 calories.

Nuts range from about 128 to 204 calories per one-ounce handful, depending on the variety — almonds, pecans, and macadamias sit near the top.

One cup of raw white mushrooms contains about 15 calories, making them one of the lowest-calorie produce options available.

A standard medium muffin ranges from 300 to 450 calories, but large bakery varieties can exceed 600 calories depending on size and ingredients.