Two hours on typical trails burns ~700–1,300 calories, shaped by body weight, grade, pace, and pack weight.

During hiking, most adults burn about 300–600 calories per hour, depending on body weight, speed, elevation, and pack load.

Uphill hiking uses MET × weight (kg) × hours; steep grades are ~6–9 METs, so a 70-kg hiker burns about 420–630 kcal per hour.

On a mountain ascent, hikers burn about 350–900 calories per hour, depending on grade, pack weight, speed, and body size.

An hour of hiking burns about 340–670 calories for 120–200 lb adults; pace, grade, and pack weight push it higher.

On moderate trails, a 3-hour hike burns ~900–1,500 calories, depending on body weight, pack load, pace, and elevation gain.

Most hikers burn about 240–710 calories in a one-hour hike, depending on body weight, pace, grade, and any pack.

On steep hikes, calorie burn shifts with grade, load, pace, and body weight; a 150-lb hiker usually spends about 400–650 kcal per hour.

On a standard 14er outing, most hikers burn about 2,500–6,000 calories, shaped by body weight, pack load, grade, and hours on trail.

On a 7-mile hike, most adults burn about 700–1,400 calories, depending on body weight, terrain, pack weight, and pace.