Fitness Tip: Weight Loss Real Facts – To lose weight you should cut out 500 calories per day. All you have to do is bump up your activity and shave off a few calories. To increase activity every day: jog for 25 minutes (225 cal.), swim for 30 minutes (230 cal.) or bike for 45 minutes (233 cal.). To lose calories, cut out: 1 small order of French Fries (210-290 cal.), 1 individual size bag of chips (304 cal.) or 1 medium (24 fl. oz.) soda (291 cal.). *Calorie burning estimates are based on a 170 pound person.