Calories & Weight Loss

Most adults burn about 840–1,120 calories in 2 hours of tennis, depending on singles or doubles and playing intensity.

Twenty laps of swimming usually burns about 150–250 calories for most adults, depending on body weight, pace, stroke, pool length, and lap counting.

Two hours of snowboarding burns around 500–1,200+ calories, depending on body weight and effort, based on Compendium MET values.

Two hours of strength training burns about 370–1,180 calories for most adults, sliding with body weight and effort from light sets to circuit-style work.

Two hours of volleyball burns about 380–1,500 calories, depending on body weight and how hard you play.

Two hours of weight training burns about 440–1,130 calories, with body weight, intensity, sets, tempo, and rest time driving the swing.

Two hours of weightlifting burns about 380–1,260 calories for most adults, driven by body weight, session intensity, and how long you rest.

Two hours of downhill skiing burns about 720–1,008 calories for 125–185 lb skiers, while cross-country skiing burns roughly 792–1,172 calories.

Two active hours can burn roughly 260–850 calories for a 70 kg adult, from gentle (1.8 MET) to vigorous (5.8 MET) sex; intensity and weight shift totals.

At 70 kg, two hours of roller skating burns about 1,030–1,441 calories; higher weight or faster pace lifts it toward 1,800+.