How much calories per day do you need to lose in order to lose 2kg in a week? My family and I talked about getting on a strict diet, and my wife looks like she's really up for it!

It will actually depend on your weight and other pertinent statistics. Download My Fitness Pal in your phone. It will calculate how much you need to lose in a span of 2 weeks. It also has other great features such as calorie counter and diet & exercise journal