Pumping up the incline on the treadmill not only tones your tush and legs, increases your endurance, and can help improve your speed, but also burns crazy calories — significantly more than with no incline. Need a little more proof? Check out the chart below for some inspiring numbers.

*All calculations are based on a 130-pound woman.

Pace (minutes per mile) Calories burned in 30 min at 0% incline Calories burned in 30 min at 5% incline Calories burned in 30 min at 10% incline Calories burned in 30 min at 15% incline
7 (8.5 mph)
391
526
615
708
8 (7.5 mph)
338
464
550
630
9 (6.6 mph)
300
420
482
558
10 (6 mph)
270
363
420
482
11 (5.5 mph)
243
326
392
432
12 (5 mph)
216
296
362
394