1. Add 10 minutes in the morning
Calorie-burning boost: 275 calories per week

2. Do intervals
Calorie-burning boost: 300-450 calories per 45 minutes

3. Work out with a faster partner
Calorie-burning boost: Simply increasing your walk from 3 mph to 4 mph will burn almost 100 extra calories in 60 minutes.

4. Jump rope on your coffee breaks
Calorie-burning boost: You can burn 208 calories on two 10-minute breaks each day (that’s 1,000 calories a week)!

5. Go longer
Calorie-burning boost: Running 30 extra minutes on the treadmill each week can burn 400 calories.

6. Change equipment or activities
Calorie-burning boost: Step aerobics vs. walking at 3.5 mph burns 237 vs. 177 calories in 30 minutes.

7. Add another day
Calorie-burning boost: A two-hour hilly hike can burn up to 800 calories.

8. Hire a trainer
Calorie-burning boost: If your trainer has you change from a fast walk to a slow jog, you’ll burn an extra 100 calories in 30 minutes.

9. Try a mini-triathlon in the gym
Calorie-burning boost: One workout = 600 calories

10. End with an invigorating stretch
Calorie-burning boost: You’ll burn another 50 calories after each workout.

According to Shape.com