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Daily calorie needs vary by age, sex, and activity level; most adults need between 1,600 and 3,000 calories per day to maintain weight.

A 155-pound person can burn roughly 372 calories in 30 minutes of vigorous jumping, but the total depends on your weight, speed, and duration.

A one-cup serving of cooked long-grain brown rice contains about 216 calories, making it a moderate-calorie whole grain.

Weight loss generally requires a daily calorie deficit of about 500 to 600 calories, which typically supports losing roughly one to two pounds per.

A 155-pound person may burn roughly 108 calories in 30 minutes of weight lifting. EPOC adds 6 to 15 percent more.

To gain weight safely, a daily surplus of 500 to 1,000 calories above your maintenance level is often recommended.

Adding 300 to 500 calories above your daily maintenance needs is a common starting point for muscle gain.

A one-cup serving of raw chopped broccoli (about 91 grams) packs roughly 31 calories, making it one of the lowest-calorie vegetables available.

A standard slice of white bread contains about 77 calories, while whole wheat has roughly 81, though brand and thickness affect the count.

To build muscle effectively, most people benefit from a moderate calorie surplus of 250 to 500 calories above their maintenance level each day.