Cardiovascular and aerobic exercises burn the most calories. Running is the best calorie-burning exercise, burning the most calories per hour. However, other exercises like stationary bicycling, swimming, HIIT workouts, and jumping rope are also excellent options. The number of calories burned depends on several factors, including duration, pace, intensity, weight, and height. Generally, the more you weigh, the more calories you will burn during physical activity.

Here are some exercises that burn the most calories per hour, based on the average weight of Americans ages 20 or older:

• Running at 6 mph: 1,400 to 1,600 calories
• Cycling at 20 mph: 1,400 to 1,600 calories
• High-impact aerobics: 500 to 800 calories
• Swimming laps: 400 to 700 calories
• Jumping rope: 667 to 990 calories
• Rowing machine: 500 to 700 calories
• Cross-country skiing: 500 to 700 calories
• Elliptical trainer: 400 to 600 calories
• Stair stepper: 400 to 500 calories
• Walking at 4.5 mph: 400 to 500 calories

Its important to note that the specific exercises, workout routines, or cardio modalities that will burn the most calories for you depend on several factors, including your age, genetics, and muscle tone.