In fact, with the right game plan, you can lose 20 pounds without a gym membership ... associate it with rest." RELATED: 10 Little Things You Can Do Every Day To Lose a Lot of Weight 3.

To lose weight effectively and safely, aiming to lose 1 to 2 pounds (lbs) per week may be best. This means that losing 20 lbs may take 10 to 20 weeks ... calories per day to lose weight.